Small utilities for real work, published as a maintained app library.
South Fork Apps collects fast, no-account tools for writing cleanup, code and web chores, design checks, planning, calculators, music practice, and everyday reference tasks. Most tools run directly in the browser so you can finish the job without installing a larger app.
What you can do here
- Use the tools immediately: search the full library or browse by category and topic.
- Keep context local: many utilities process input on the page without an account.
- Follow updates: new apps, fixes, and release notes are linked through Field Notes.
Newest tools
Meeting Agenda Builder
Build timed agendas with owners, notes, total meeting length, and copy-ready plain-text or Markdown output.
Launch appDecision Matrix
Score options against weighted criteria, then rank the results with live totals, percentages, and winning picks.
Launch appUnit Circle Reference
Click standard angles to see exact coordinates plus sine, cosine, and tangent values with degree and radian labels.
Launch appQuadratic Solver
Solve ax² + bx + c = 0 with real or complex roots, full working, discriminant details, and a live parabola graph.
Launch appPeriodic Table
Explore all 118 elements with a clickable layout, category filters, phase markers, and fast detail lookup.
Launch appExplore
Text Tools
Word count, text compare, Markdown, cleanup, extraction, and writing workflow tools.
Developer Tools
JSON, regex, UUID, timestamps, HTML, robots.txt, and browser-first web utilities.
Calculators
Dates, percentages, money, savings, health, and everyday planning math in one lane.
CSS & Color Tools
Gradients, clamp values, palettes, contrast checks, and front-end visual helpers.
Generators
Passwords, QR codes, UUIDs, filler copy, randomizers, and practical output tools.
Time Tools
Timestamps, timers, planning helpers, pace math, and time conversion tools.
Music Tools
Chord finders, fretboard explorers, scale references, ear trainers, and beat makers.
Library
Net Worth Tracker
Add named assets and liabilities to instantly calculate your net worth, with a proportional bar chart showing the breakdown.
Launch AppHeart Rate Zones
Calculate your 5 aerobic training zones from age or custom max HR. Supports both % of max and Karvonen heart rate reserve methods.
Launch AppCurrency Converter
Convert between 30+ world currencies instantly using a built-in rate table. Swap currencies, see live rates, and quick-convert to all currencies at once.
Launch AppAge Calculator
Turn a birthdate into exact age, total days alive, rough heartbeats, breaths, and full moons.
Launch AppBill Splitter
Enter each person's subtotal and split tax and tip proportionally. Handles unequal splits between any number of people.
Launch AppBreak-Even Calculator
Enter fixed costs, variable cost per unit, and selling price to find break-even volume, revenue, and contribution margin.
Launch AppTriangle Solver
Solve any triangle from three known values, including ambiguous SSA cases, with solved sides, angles, area, perimeter, and a live diagram.
Launch AppStatistics Calculator
Compute mean, median, mode, range, quartiles, variance, standard deviation, and frequency counts for any dataset you paste.
Launch AppBMI Calculator
Calculate your Body Mass Index in imperial or metric. See your BMI category and healthy weight range.
Launch AppBody Fat Calculator
Estimate body fat percentage using the US Navy method. Supports inches and centimeters. Shows category and a visual progress bar.
Launch AppCompound Interest Calculator
See how money grows over time with compound interest. Includes monthly contributions, growth chart, and year-by-year table.
Launch AppRule of 72
Enter an interest rate to instantly estimate how many years it takes to double your money, with exact compounding comparison.
Launch AppResistor Color Code
Decode or build 4-band and 5-band resistor color codes with live resistance, multiplier, and tolerance output.
Launch AppCredit Card Validator
Validate card numbers with the Luhn algorithm. Detects Visa, Mastercard, Amex, Discover, and Diners.
Launch AppDate Calculator
Calculate the difference between two dates, or add and subtract days from any starting date.
Launch AppDog Poop Tracker
Mark sections of your yard clean or dirty with a simple grid interface. Field-ready and weirdly practical.
Launch AppFibonacci Sequence
Generate Fibonacci sequences, find the Nth term, or check if a number is a Fibonacci number. Handles large values with BigInt.
Launch AppFile Size Converter
Convert between bytes, KB, MB, GB, TB, and PB instantly. Includes bit equivalents. Click any result to copy it.
Launch AppGCD & LCM Calculator
Find the GCD and LCM of up to six numbers with step-by-step working using the Euclidean algorithm.
Launch AppISBN Validator
Validate ISBN-10 or ISBN-13 numbers, format with hyphens, and convert between the two formats.
Launch AppLoan Payment Calculator
Calculate monthly payments, total interest, and a full amortization schedule for any loan.
Launch AppNumber Formatter
Format any number with custom decimal places, currency, thousands separator, and more. Shows formatted, scientific, ordinal, and word output.
Launch AppNumber to Words
Convert any number to words. Supports standard, currency (USD), and ordinal modes. Great for checks and legal documents.
Launch AppPace Calculator
Calculate running pace, time, or distance. Enter any two values and get the third. Includes race time predictions.
Launch AppPassphrase Generator
Generate strong memorable passphrases from a 200+ word list. Customize word count, separator, capitalization, and number suffix.
Launch AppPassword Generator
Generate five random passwords at once with adjustable length, character options, copy buttons, and a strength readout.
Launch AppPassword Strength Checker
Check password strength instantly. Get entropy score, time-to-crack estimate, and improvement tips. Nothing leaves your device.
Launch AppPay Converter
Convert any salary between hourly, daily, weekly, biweekly, monthly, and annual rates. Click any result to switch modes.
Launch AppPercentage Calculator
Calculate what percent of a number is, percentage change, and add or subtract percentages instantly.
Launch AppPeriodic Table
Explore all 118 elements in a clickable periodic table with mass, group, period, phase, and electron configuration.
Launch AppQuadratic Solver
Solve ax² + bx + c = 0 with real or complex roots, step-by-step work, discriminant details, and a live parabola graph.
Launch AppPrime Factorization
Break any number into its prime factors with exponents. Also shows factor count, sum, and primality.
Launch AppQR Code Generator
Generate QR codes from any URL, text, WiFi, or contact info. Customize colors and download as PNG.
Launch AppRecipe Scaler
Scale any recipe up or down by changing the serving count. Every ingredient adjusts instantly.
Launch AppRoman Numeral Converter
Convert numbers to Roman numerals and back. Includes a full breakdown and common reference table up to 3,999,999.
Launch AppTemperature Converter
Convert between Fahrenheit, Celsius, and Kelvin instantly. Clean, fast, no extra steps.
Launch AppTimezone Converter
Convert times between any two timezones instantly, with a live world clock for 9 major cities.
Launch AppTip Calculator
Split restaurant bills with custom tip percentages, quick-select tip buttons, totals, and per-person math.
Launch AppTransfer Time Estimator
Estimate how long a file transfer or download takes based on file size and connection speed.
Launch AppUnit Circle Reference
Interactive unit circle showing standard angles, radians, coordinates, and exact sin cos tan values.
Launch AppUnit Converter
Switch between length, weight, temperature, volume, and speed with live conversions.
Launch AppAdd Line Numbers
Insert sequential numbering at the start of each non-empty line.
Launch AppAdd Prefix Suffix
Wrap every non-empty line with custom prefix and suffix text.
Launch AppDedupe Lines
Remove duplicate lines while preserving first-seen order.
Launch AppEmail Extractor
Find and list unique email addresses from pasted text or notes.
Launch AppHaiku Checker
Count syllables line by line and check for the 5-7-5 haiku pattern. Highlights lines that are over or under.
Launch AppHTML Entity Decoder
Turn common HTML entities back into readable text fast.
Launch AppHTML Entity Encoder
Escape special characters into HTML-safe entities for easy code pasting.
Launch AppJoin Lines
Combine separate lines into one string with a custom separator.
Launch AppLorem Ipsum Generator
Generate Lorem Ipsum placeholder text by paragraphs, sentences, or words with one click.
Launch AppMarkdown Frontmatter Generator
Build YAML or TOML frontmatter for blog posts. Fill in the form and copy the block.
Launch AppMarkdown Link Cleaner
Convert raw URLs into clean Markdown links. Strips tracking parameters and optionally fetches page titles.
Launch AppMarkdown List Cleaner
Normalize messy bullets and numbering into clean markdown list items.
Launch AppMarkdown Table Maker
Turn comma-separated rows into a basic markdown table fast.
Launch AppMarkdown to HTML
Convert Markdown to clean HTML instantly with a live preview side by side.
Launch AppNATO Phonetic Alphabet
Convert any text to the NATO phonetic alphabet instantly. Alpha, Bravo, Charlie — with a full clickable reference.
Launch AppNumber Extractor
Pull integers and decimals out of mixed text and list them one per line.
Launch AppReading Level Analyzer
Paste any text and get Flesch-Kincaid grade level, reading ease score, and full readability stats.
Launch AppReading Time Calculator
Paste any block of text and get a reading time estimate based on average reading speed.
Launch AppRemove Empty Lines
Strip blank rows out of pasted text so the result stays compact.
Launch AppReverse Lines
Flip the order of pasted lines instantly without changing each line's content.
Launch AppSlugify Text
Turn titles and headings into lowercase dash-separated URL slugs.
Launch AppSmart Quotes Converter
Replace curly quotes and apostrophes with straight ASCII versions.
Launch AppSort Lines Alpha
Alphabetize pasted lines from A to Z or Z to A in one step.
Launch AppSort Lines Length
Sort lines from shortest to longest or longest to shortest for quick cleanup.
Launch AppSplit Text
Break one string into separate lines using a delimiter you choose.
Launch AppStrip Line Numbers
Remove leading list numbers like 1. or 2) from pasted lines.
Launch AppSymbol Pad
Search and copy frequent symbols fast, with a pinned strip that keeps your most-used characters at the top.
Launch AppTag Stripper
Remove HTML, XML, or Markdown tags from any text. Decode entities, collapse whitespace, and copy clean output.
Launch AppText Alignment Formatter
Pad and align text to a fixed column width — left, right, center, or justified.
Launch AppText Case Converter
Instantly convert text between common and obscure cases like camelCase, snake_case, and more.
Launch AppText Diff
Compare two blocks of text line by line and see additions and deletions highlighted clearly.
Launch AppText Repeater
Duplicate text any number of times with a custom separator.
Launch AppTrim Lines
Trim leading and trailing whitespace from every line without touching inner spaces.
Launch AppTyping Test
Run a timed typing challenge with live WPM, accuracy tracking, and local best scores.
Launch AppUnicode Normalizer
Normalize text into NFC, NFD, NFKC, or NFKD for safer comparisons.
Launch AppURL Extractor
Find and list unique web links from pasted text or message threads.
Launch AppWord Counter
Live counts for words, characters, sentences, paragraphs, reading time, and speaking time.
Launch AppWord Frequency Counter
Find the most common words in any text, ranked by usage with stop word filtering and CSV export.
Launch AppWord Wrap
Reformat text to any column width. Hard or soft wrap, preserve blank lines. Great for code comments and emails.
Launch AppBase Converter
Convert numbers between any base from 2-36 including binary, octal, decimal, hex, and base-32. Handles large numbers with BigInt.
Launch AppBase64 Decoder
Decode Base64 strings back into normal readable text.
Launch AppBase64 Encoder
Convert plain text into Base64 for transport, tests, and quick payload work.
Launch AppBinary / Hex Converter
Convert between binary, hexadecimal, decimal, and octal instantly. Includes bit length and ASCII lookup.
Launch AppCaesar Cipher
Encode or decode text with any rotation from 1 to 25. Includes a one-click ROT13 preset.
Launch Appchmod Calculator
Set Unix file permissions with checkboxes or octal input. Shows symbolic notation, binary, and the full chmod command.
Launch AppCRON Expression Builder
Build and explain CRON expressions field by field with plain-English descriptions and common presets.
Launch AppCSS Clamp Generator
Generate fluid CSS clamp() values from viewport breakpoints and size targets with live preview and copy-ready code.
Launch AppCSV Column Extractor
Pull one column out of simple CSV data for quick reuse.
Launch AppCSV ↔ JSON Converter
Convert CSV to JSON and JSON to CSV instantly. Supports custom delimiters and header row detection.
Launch AppEncrypt / Decrypt
Encrypt messages with a passphrase using AES-256. Everything runs in your browser — nothing leaves your device.
Launch AppHash Generator
Generate SHA-256, SHA-512, SHA-1, and SHA-384 hashes from any text instantly in your browser.
Launch AppHTML Live Preview
Write HTML and see it rendered live side by side. Includes templates, tab support, download, and fullscreen preview.
Launch AppHTML Minifier
Strip whitespace and comments from HTML instantly. See the byte savings before copying.
Launch AppJSON Formatter
Format, beautify, and validate JSON instantly with syntax highlighting. Minify or pretty-print with one click.
Launch AppJSON ↔ YAML Converter
Paste JSON and get YAML back, or the other way around. Instant conversion with clean formatting.
Launch AppJWT Decoder
Decode and inspect JSON Web Tokens instantly. See header, payload, expiration status, and standard claims. Runs locally.
Launch AppMillisecond Converter
Convert milliseconds to seconds, minutes, hours, and human-readable strings. Useful for debug timings and benchmarks.
Launch AppQuote Escaper
Escape quotes and backslashes for easy JSON and code pasting.
Launch AppRegex Tester
Test regular expressions in real time with live match highlighting, group captures, and a replace preview.
Launch AppRobots.txt Builder
Build a clean robots.txt file with path rules, sitemap lines, crawl delay, and optional AI crawler blocking.
Launch AppSQL Pretty Printer
Paste messy SQL and get it formatted, indented, and syntax-highlighted instantly.
Launch AppCSS Specificity Calculator
Calculate the (A, B, C) specificity score of any CSS selector. Compare multiple selectors side by side with a visual bar.
Launch AppHTTP Status Codes
Searchable reference for all HTTP 1xx–5xx status codes with descriptions, causes, and fix notes for every code.
Launch AppImage to Data URL
Convert any image (PNG, JPEG, GIF, WebP, SVG) to a Base64 data URL in your browser. Output as CSS, HTML img, or raw Base64.
Launch AppSVG to Data URL Converter
Paste raw SVG markup and turn it into a URL-encoded data URL plus a copy-ready CSS background-image line.
Launch AppTab ↔ Space Converter
Convert between tabs and spaces with configurable tab width. Paste code, pick direction, and copy the result.
Launch AppTimestamp Converter
Convert Unix timestamps to readable dates and vice versa. Supports both seconds and milliseconds.
Launch AppToken Usage Calculator
Estimate LLM token counts and API costs for Claude, GPT-4o, and Gemini from any pasted text.
Launch AppURL Decoder
Turn encoded URL text back into readable plain strings.
Launch AppURL Encoder
Encode text into URL-safe form for query strings and path segments.
Launch AppUUID Generator
Generate UUID v4 or v7 values in batches with uppercase, braced, and hyphenless output options.
Launch AppVigenère Cipher
Encode or decode text with a keyword using the Vigenère cipher. See the repeating key pattern below the output.
Launch AppWhitespace Visualizer
Make spaces, tabs, and line breaks visible when pasted text gets weird.
Launch AppAspect Ratio Calculator
Calculate aspect ratios, scale dimensions, and find missing sizes for video, photo, and design work.
Launch AppBox Shadow Generator
Generate CSS box shadows visually. Stack multiple layers, adjust blur, spread, offset, and color. Copy-ready CSS output.
Launch AppColor Blindness Simulator
Enter a hex color and see how it looks under four types of color blindness with simulation swatches.
Launch AppColor Contrast Checker
Check foreground and background color pairs against WCAG AA and AAA accessibility standards instantly.
Launch AppColor Format Converter
Convert colors between HEX, RGB, HSL, and HSB formats with a live swatch preview and quick presets.
Launch AppColor Mixer
Blend two colors with a ratio slider and see the result as HEX, RGB, and HSL. Uses linear RGB interpolation.
Launch AppColor Name Finder
Find the closest CSS named color to any hex value. Shows the 5 nearest named colors with swatches and distances.
Launch AppColor Palette Generator
Generate complementary, analogous, triadic, and split-complementary color palettes from any base color. Copy HEX values.
Launch AppCSS Filter Generator
Adjust sliders for blur, brightness, contrast, grayscale, hue-rotate, and more. Live preview. Copy the CSS string.
Launch AppCSS Gradient Generator
Create linear, radial, and conic CSS gradients visually. Live preview, color stops, presets, and copy-ready CSS code.
Launch AppCSS Unit Converter
Convert between px, rem, em, vw, vh, pt, cm, and more. Set your viewport and root font size for accurate results.
Launch AppGemini TTS Studio
Generate expressive AI speech with directorial tags, multi-speaker dialogue, and custom voice profiles.
Launch AppHex Code Color Generator
Generate hex color codes on demand. Pick, explore, and copy colors fast.
Launch AppMetronome
Browser-based metronome with BPM slider, tap tempo, audio click, and classic tempo marking presets.
Launch AppNoise Generator
Play white, brown, or pink ambient noise in your browser for focus and sleep. All audio generated locally — no downloads.
Launch AppRain Simulator
Watch an adjustable storm scene with tunable rain density, wind drift, and lightning.
Launch AppScreen Size Checker
See your viewport, screen resolution, device pixel ratio, and orientation live. Updates on resize.
Launch AppTeleprompter
Free browser teleprompter for video creators. Paste your script, set speed and font size, mirror mode included.
Launch AppText to Speech
Convert any text to speech using your browser's built-in voices. Adjust rate, pitch, and volume. No API key required.
Launch AppBreath Timer
Guided breathing with an animated circle for box breathing, 4-7-8, and calm patterns. Press start and follow the cue.
Launch AppCountdown Timer
Save up to five live event countdowns with browser-local persistence and live second-by-second updates.
Launch AppDebt Snowball
Add balances, minimum payments, and APRs to estimate a smallest-balance-first payoff plan with rolled-up payments.
Launch AppDecision Matrix
Score options against weighted criteria to rank competing choices with live totals and percentages.
Launch AppHabit Tracker
Track up to ten daily habits with local streak history saved in your browser.
Launch AppKanban Board
Simple drag-and-drop Kanban board saved in your browser. Add columns, cards, and tags. No account needed.
Launch AppList Randomizer
Shuffle a line-based list into a random order for picks and turn order.
Launch AppMeeting Agenda Builder
Build a timed meeting agenda with owners, notes, total minutes, and copy-ready plain-text or Markdown output.
Launch AppMeeting Cost Tracker
Watch the dollar amount tick up in real time as your meeting runs. Enter attendees and salary to start.
Launch AppPomodoro Timer
Run 25-minute focus sessions, 5-minute short breaks, and 15-minute long breaks after every fourth session.
Launch AppSavings Goal Planner
Find out how long it takes to reach a savings target or how much to save per month. Accounts for interest rate.
Launch AppSleep Cycle Calculator
Find the best times to wake up or go to sleep based on 90-minute cycles. Wake up refreshed instead of groggy.
Launch AppStopwatch
A precise stopwatch with lap tracking, fastest and slowest lap highlights, and CSV export. Clean and minimal.
Launch AppTask Timer
A minimalist stopwatch for tracking deep work sessions and building a local task duration history.
Launch AppASCII Art Generator
Convert text to ASCII block letter art with block, mini, banner, and shadow style options. Input up to 20 characters.
Launch AppBingo Maker
Build randomized 5x5 bingo cards from your own prompts and run a live caller in the browser.
Launch AppCoin Flipper
Flip a virtual coin with a satisfying animation. Tracks heads and tails counts and your current streak.
Launch AppDecision Spinner
Can't decide? Add your options and spin the wheel. Animated canvas wheel with presets and custom entries.
Launch AppDice Roller
Roll any combination of d4, d6, d8, d10, d12, d20, and d100. Add modifiers and track full roll history.
Launch AppFlip Clock
A beautiful animated flip clock showing the current time with smooth card-flip transitions and date display.
Launch AppHangman
Play classic hangman with category hints, three difficulty modes, keyboard input, and saved streak stats.
Launch AppLife Stats Calculator
Enter your birthday and see how many heartbeats, breaths, steps, and full moons you've lived through. Updates live.
Launch AppMagic 8-Ball
Ask a question, shake the orb, and get a dramatic browser-based answer back.
Launch AppMorse Code Translator
Translate text to Morse code and back. Includes audio playback of the signal with adjustable speed.
Launch AppRandom Picker
Enter choices, animate the pick, and keep a short history of the last ten decisions.
Launch AppRandom Quote Generator
Get inspired with random quotes from history's greatest thinkers. Filter by category — wisdom, tech, creativity, and more.
Launch AppRock Paper Scissors
Play rock paper scissors against the computer with saved scores, streak tracking, and recent round history.
Launch AppStar Wars Crawl
Create your own Star Wars-style opening crawl. Type your episode and text, hit play, and watch it scroll into space.
Launch AppTic Tac Toe
Play tic tac toe against an unbeatable computer or a second player with saved local scoreboards.
Launch AppVirtual Pop
Reusable browser fidget board with tappable bubbles, size presets, and instant reset.
Launch AppWord Clock
A live clock that displays the current time spelled out in words on an illuminated letter grid. Fullscreen mode included.
Launch AppZalgo Text Generator
Generate creepy glitchy corrupted text with adjustable chaos level. Mild to full chaos mode. Copy and share instantly.
Launch AppCould've Been an Email
Answer 7 questions and get a blunt verdict on whether your meeting should have been an email.
Launch AppThe Hype Machine
Type anything mundane and watch it become legendary. Three hype levels from subtle to completely unhinged.
Launch AppNap Calculator
Calculate the perfect nap length or bedtime based on 90-minute sleep cycles. Wake up refreshed every time.
Launch AppNo List
Build a running record of the things you've committed to declining. Say no with intention and stick to it.
Launch AppCircle of Fifths
Interactive SVG circle showing all 12 major keys and relative minors. Click any key to see its signature, diatonic chords, and relative minor.
Launch AppVirtual Piano
Playable two-octave piano keyboard in your browser. Click keys or use keyboard shortcuts. Selectable waveforms and adjustable sustain.
Launch AppLil Beat Maker
8-track step sequencer with 16 or 32 steps. Build drum patterns with kick, snare, hi-hat, and more using Web Audio synthesis.
Launch AppScale Finder
Select any root and scale type to see all notes, intervals, and a keyboard diagram. Covers 15 scales from major to diminished. Playable.
Launch AppChord Finder
Click piano keys to identify any chord. Shows all matching chord names, root, type, and inversion for any combination of notes.
Launch AppGuitar Fretboard
Interactive guitar fretboard with all note names across 6 strings and 12 frets. Highlight scales and modes in multiple tunings.
Launch AppGuitar Chords
SVG fingering diagrams for open and barre guitar chords. Filter by root and type. Covers major, minor, 7th, maj7, sus, and more.
Launch AppPiano Chords
Visual piano chord voicings for any root and type. Select from 18 chord types and hear the arpeggio played via Web Audio.
Launch AppChord Transposer
Paste a chord sheet and transpose all chords to any target key instantly. Supports sharps and flats preference.
Launch AppChords in Keys
All 7 diatonic chords for any key and mode — major, natural minor, and all 5 church modes. Shows Roman numerals and harmonic function.
Launch AppCommon Chord Progressions
20 classic progressions across 6 genres with Roman numerals. Transposable to any key with audio playback for each progression.
Launch AppKey Signatures
Filterable reference table for all 30 major and minor key signatures. Shows sharps, flats, note names, and relative key for each.
Launch AppMusic Intervals
Complete reference for all musical intervals from unison to major 13th. Shows abbreviations, half steps, quality, and consonance.
Launch AppChord Formulas
Interval structures for all common chord types — triads, seventh chords, extended chords, and suspended chords with examples in C.
Launch AppScale Formulas
Whole/half step patterns for major, natural minor, all 7 modes, pentatonic, blues, harmonic minor, and more. Color-coded W/H boxes.
Launch AppChromatic Scale
Interactive display of all 12 chromatic notes. Click any note to hear it, see its frequency, and explore enharmonic equivalents.
Launch AppDiatonic Scale
Comprehensive key reference — scale notes, diatonic triads, seventh chords, and all 7 modal rotations for any major key.
Launch AppBPM Counter
Tap tempo BPM calculator. Tap any key to the beat and get real-time BPM with Italian tempo name. Auto-resets after 3 seconds.
Launch AppGuitar Tuning Chart
Standard and 17 alternate guitar tunings with string-by-string note reference. Covers drop, open, modal, and custom tunings.
Launch AppSolfege
Interactive movable-do solfege reference. Click Do Re Mi Fa Sol La Ti to hear each pitch and see its scale degree in any key.
Launch AppDrum Patterns
Visual drum pattern reference with 10 patterns across 6 genres. 16-step grids with Web Audio playback for rock, funk, jazz, and more.
Launch AppUkulele Fretboard
Interactive ukulele fretboard in standard GCEA tuning. Highlight scales across all 12 frets and 4 strings. Supports D tuning and Low G.
Launch AppUkulele Chords
SVG chord diagrams for ukulele in standard GCEA tuning. All common roots and types including major, minor, 7th, and maj7.
Launch AppXylophone
Playable virtual xylophone with 15 colorful bars across two octaves. Click or use keyboard shortcuts. Selectable waveforms.
Launch AppNote Identification
Identify notes on treble or bass clef staff. Flashcard-style ear trainer with score tracking and three difficulty levels.
Launch AppRelative Pitch
Interval ear training. Hear two notes and identify the interval between them. Tracks score, streak, and accuracy across all 12 intervals.
Launch AppRhythm Challenge
Hear a rhythm pattern and tap it back. Scored on timing accuracy in milliseconds. Three difficulty levels, adjustable BPM.
Launch AppPiano Notes on Staff
Click any piano key to see the note placed on treble and bass clef staves simultaneously. Shows name, octave, MIDI number, and frequency.
Launch AppOvertone Series
Visual harmonic overtone series explorer. See the first 16 partials above any fundamental — frequencies, note names, and cents deviation.
Launch AppCircle of Thirds
Explore chromatic mediant relationships. Notes arranged by major and minor third distance — the building blocks of chord construction.
Launch AppPentatonic Scale
Major and minor pentatonic for any root. Shows all notes on a piano keyboard, 3 guitar box patterns, and full interval breakdown.
Launch AppTime Signatures
Reference for 7 common time signatures with beat groupings, feel descriptions, and count-in playback. Covers 4/4, 3/4, 6/8, 12/8, 5/4, and more.
Launch AppClef Reference
Complete treble and bass clef note reference with SVG staves showing all natural notes. Includes mnemonics for every line and space.
Launch AppParadiddle
Drum rudiment trainer for all four paradiddle variations. R/L sticking notation with accent marks and BPM-synced audio playback.
Launch AppMusic Theory Cheat Sheet
All core music theory on one page — intervals, scales, chords, modes, key signatures, progressions, and ear training song anchors.
Launch AppBass Fretboard
Interactive bass guitar fretboard with all notes across 4 strings and 24 frets. Scale highlighting in standard, drop D, and 5-string tunings.
Launch AppAdditional tools
These newer and narrower utilities are also part of the South Fork Apps library. They are linked here so every published tool has a clear path from the main site.
Anagram Solver
Find all anagrams of any word or phrase. Filter by length, see word counts, and check if two phrases are anagrams of each other.
ASCII Table
Complete ASCII character table with decimal, hexadecimal, octal, binary, and HTML entity values. Filter by category and search.
Blood Pressure Checker
Check your blood pressure reading against AHA categories. Enter systolic and diastolic values to see your BP category and what it means.
Budget Planner
Plan your monthly budget by adding income and expense categories. See totals, balance, and how your spending breaks down.
Calorie Deficit Calculator
Calculate the calorie deficit needed to reach your goal weight by a target date. See daily calorie target, weight loss pace, and a timeline.
Calories Burned Calculator
Estimate calories burned during exercise using MET values. Supports 50+ activities, body weight, and duration.
Character Counter
Count characters, bytes, Unicode code points, words, lines, and spaces in any text. See character frequency breakdown.
Code Viewer
Paste code and get instant syntax highlighting for 30+ programming languages.
Color Harmony Explorer
Explore complementary, analogous, triadic, split-complementary, tetradic, and square color harmonies from any base color. Copy HEX, RGB, or HSL values.
Color Temperature Converter
Convert color temperature in Kelvin to RGB hex color and see the visual color swatch. Includes reference chart for common light sources.
Cooking Conversions
Convert cooking measurements instantly - cups, tablespoons, teaspoons, milliliters, ounces, grams, and more.
CSS Animation Generator
Generate CSS keyframe animations visually. Choose presets, adjust duration, easing, and delay, then copy ready CSS.
CSV Viewer
Paste CSV data and view it as a formatted, sortable table instantly. Supports custom delimiters and header detection.
Daily Water Intake Calculator
Calculate your recommended daily water intake based on weight, activity level, and climate. Track glasses consumed today.
Flashcard Maker
Create and study flashcards in your browser. Add front and back text, shuffle, and flip to study. No signup. Data saved locally.
Fraction Calculator
Add, subtract, multiply, and divide fractions. Simplify fractions, convert to decimals, and convert between mixed and improper fractions.
Glassmorphism Generator
Generate glassmorphism CSS visually. Adjust blur, opacity, border, and background to create glass-effect cards and panels.
Grade Calculator
Calculate your weighted grade average or GPA. Add assignments with weights, see your current grade and what you need on the final.
Gradient Text Generator
Create CSS gradient text with a live preview. Choose colors, angle, and font size. Copy the ready-to-use CSS background-clip technique.
Inflation Calculator
Calculate the inflation-adjusted value of money over time. See what a dollar from any year is worth today or in the future.
Interview Answer Timer
Practice timed interview answers. Set target durations for different question types, get audio and visual cues at key moments.
JavaScript Key Code Tester
Press any key to see its JavaScript event properties: key, code, keyCode, charCode, and modifier states.
Leet Speak Translator
Translate text to leet speak (1337) with adjustable leet level. Convert back from leet to English.
Loan Comparison Calculator
Compare two loan options side by side - different rates, terms, or amounts. See total cost, interest paid, and monthly payment differences instantly.
Placeholder Text Generator
Generate placeholder text in multiple styles: lorem ipsum, random English, hipster ipsum, office speak, and more.
Markdown Cheat Sheet
Complete Markdown syntax reference with live examples. Headings, bold, italic, links, images, tables, code blocks, and more.
Mortgage Calculator
Calculate monthly mortgage payments with down payment, PMI, property tax, and insurance. See amortization and total cost breakdown.
Multiplication Table
Generate a customizable multiplication table up to any size. Highlight rows and columns on hover. Color-coded by value.
Neumorphism Generator
Generate neumorphism CSS with live preview. Adjust background color, size, blur, and distance to create pressed or raised elements.
Number Guessing Game
Guess the secret number with hot/cold hints. Adjustable range and difficulty. Track your guesses and score.
Ohm's Law Calculator
Calculate voltage, current, resistance, and power using Ohm's Law. Enter any two values and get the other two instantly.
Reading Goal Calculator
Calculate how many pages or books you need to read per day, week, or month to hit your annual reading goal.
ROI Calculator
Calculate return on investment (ROI), annualized return, and total profit from any investment.
Scientific Notation Converter
Convert numbers to and from scientific notation. See standard form, engineering notation, and word form.
Speed Distance Time Calculator
Solve for speed, distance, or time - enter any two values and get the third instantly. Supports multiple units.
Tally Counter
Simple tally counter with multiple named counters, keyboard shortcuts, and history log.
Tax Bracket Calculator
Calculate US federal income tax by bracket for any income and filing status. See marginal vs effective tax rate and take-home pay.
TDEE Calculator
Calculate your Total Daily Energy Expenditure and daily calorie needs based on weight, height, age, sex, and activity level.
Text Statistics
Deep text analysis - readability scores, vocabulary richness, sentence complexity, paragraph stats, and most/least common words.
Pig Latin Translator
Translate English text to Pig Latin instantly. Handles capitalization, punctuation, and multiple words.
Meeting Time Zone Planner
Find the best meeting time across multiple time zones. See overlapping work hours for distributed teams.
Unit Price Calculator
Compare prices per unit across multiple products. Find the best deal by calculating cost per ounce, gram, count, or any unit.
Wind Chill & Heat Index Calculator
Calculate wind chill temperature and heat index from actual temperature and wind speed or humidity.
Word Scramble
Scramble any words or list for games, puzzles, and activities. Scramble individual words, shuffle lines, or create word search-style puzzles.
Useful tools, kept practical.
South Fork Apps is an independent tool library built and maintained by Tucker Chastain. Each page is meant to solve a specific task with a clear interface, useful output, and durable links. The collection is updated as new app ideas, bug reports, and workflow gaps surface.