Daily Tools

Counters, converters, timers and generators for day-to-day work: word count, units, time zones, BMI, QR codes, passwords. Instant, free, offline.

BMI Calculator
WHO vs Asia standard — side by side comparison.
Unit Converter
Metric · Imperial · Indonesian local units like tumbak.
Word & Character Counter
CJK chars vs English words — accurate per-language count.
QR Code Generator
Custom colors · sizes · vCard · WiFi — all in your browser.
Time Zone Converter
Instant DST-aware conversion between 9 major time zones.
Percentage Calculator
Four percentage modes — X% of Y, reverse, margin, mark-up.
Date Difference Calculator
Days, weeks, months, years between any two dates, plus age.
Age Calculator
Exact age, days lived, next birthday, Chinese and Western zodiac.
JSON Formatter & Validator
Pretty print, minify, validate JSON with line+column error detection.
Password Generator
Cryptographically secure · length + charset options · in-browser.
Number Base Converter
Binary · octal · decimal · hex, convert both ways · in-browser.
UUID Generator
RFC 4122 v4 · batch generate · cryptographically random · in-browser.
Tip Calculator
Tip % · split bill · 15/18/20/25% quick buttons · in-browser.
Scientific Calculator
Trig, log, powers, constants · degree/radian · in-browser.
Countdown Timer
Days/hours/minutes/seconds to a date · live · in-browser.
GPA Calculator
4.0 scale · weighted by credits · in-browser.
Pomodoro Timer
Focus sprints · break cycles · auto-cycles · in-browser.
Regular Expression Tester
Live match highlighting · groups · flags · in-browser.
Unix Timestamp Converter
Unix ↔ human date · multiple formats · live · in-browser.
Stopwatch Timer
Millisecond-precision stopwatch with laps. Start, pause, reset — all in your browser.
Text Case Converter
Convert any text to UPPERCASE, lowercase, Title Case, sentence case, camelCase, snake_case, kebab-case and PascalCase. Instant, in-browser, no uploads.
Lorem Ipsum Generator
Placeholder text by paragraphs, sentences or words. In-browser, no uploads.
Slug Generator
Turn any title into a clean URL slug. Live, in-browser, no uploads.
IP Address Tool
Analyze any IPv4 or IPv6 address: validity, private/public, binary, subnet mask and CIDR range. Pure in-browser parsing, no network requests, no tracking.
Random Number Generator
Generate true random numbers in any range, with deduplication and multiple output formats. Uses your browser's crypto engine — no uploads, no tracking.
Unique Word Counter
Total, unique and repeated word counts · top-20 frequency chart · in-browser.
Roman Numeral Converter
1–3999 ↔ Roman numerals · two-way · symbol breakdown · in-browser.
Markdown Live Editor
Write Markdown and see the rendered HTML live in a split view. Zero-dependency parser, word/line stats, copy HTML or download the file. In-browser, no uploads.
Text Cipher Tool
Encode and decode text with Caesar shift, ROT13, Atbash, reverse, Base64 and Hex. Instant encryption/decryption in your browser — no uploads, no tracking.
Text Whitespace Cleaner
Clean up messy text: collapse multiple spaces, trim lines, merge blank lines, normalize line endings. See before/after stats. Instant, in-browser, no uploads.
Readability Calculator
Analyze the readability of any English text with Flesch Reading Ease, Flesch-Kincaid grade, Gunning Fog and SMOG. Instant scoring in your browser.
Duplicate Line Remover
Remove duplicate lines from any text. Ignore case and whitespace, keep the first or last occurrence, and see exactly which lines were repeated. Instant, in-browser.
Date & Time Formatter
Format any date into ISO, RFC 2822, 12/24h, Unix and custom token templates. Copy any format in one click. Instant, in-browser, no uploads.
QR Code Scanner
Read QR codes with your camera or from an image file · jsQR decoding runs offline on-device · no upload.
URL Encoder/Decoder
Encode or decode URLs with percent encoding, space-as-plus form style and instant error checks. Nothing uploads.
HTML Entity Encoder/Decoder
Escape or unescape the five dangerous HTML characters and decode named or numeric entities instantly. Runs offline.
Cron Expression Parser
Explain a 5-field crontab expression in plain English and list the next 10 run times in your own timezone, offline.
JSON to YAML Converter
Convert JSON to YAML and back instantly in your browser — paste or load a file, then copy or download the result.
Emoji Picker
Search 850+ emoji by name or keyword and copy with one tap. Group tabs and a recent list, fully offline.
Random Wheel Picker
Spin a customisable name wheel with crypto-random winners, raffle mode and a history. Draws entirely offline.
Dice Roller
Roll d4–d100 or custom dice with modifiers and history, plus a coin flip. Provably uniform crypto rolls, offline.
Typing Speed Test
Take a 60-second or free-form WPM test against a built-in bank of English passages — scored in your browser.
Reaction Time Test
Test your reflexes in five rounds: median, average and best reaction time in milliseconds — no account, no uploads.
Click Speed Test
Test your clicks-per-second over 5, 10, or 60 seconds: total clicks, average CPS, and your best single second.
Morse Code Translator
Translate text to Morse code and back, with adjustable audio playback at 10–30 WPM — runs fully offline.
Word Frequency Counter
Count word frequencies in any text or .txt file: top words, percentages, chart and CSV export — all offline.
Mock JSON Data Generator
Generate fake JSON records for dev and testing with 13 toggleable fields, seeded data and test emails.
Random Team Generator
Split names into random teams with a fair Fisher-Yates crypto shuffle, two deal modes, per-team copy.
UUID v7 Generator
Create time-ordered UUIDv7 identifiers (RFC 9562) with Web Crypto, or random v4s for comparison.
HTTP Status Codes
Search 46 HTTP status codes with one-line summaries and fix notes — causes, retries, redirects.
Audio Recorder
Record your mic to a WebM/MP4 file with live level meter and timer. Nothing uploads — it stays local.
Metronome
A drift-free browser metronome from 40 to 208 BPM with accented downbeats, subdivisions and tap tempo.
Grade Average Calculator
Weighted course grade calculator with editable rows, automatic weight normalization and US, UK or numeric letter scales.
Unit Price Calculator
Compare grocery prices per gram, litre or piece and spot the real best value with unit-price math. Works fully offline.
Date Adder
Add or subtract days, weeks, months or years from any date, count workdays and see the weekday of each result, offline.
JSON Diff
Compare two JSON docs with a per-path diff tree: equal, changed, added or removed. No upload.
CSV Viewer
Open CSV, TSV or Excel as a sortable table with filters, pagination and cleaned CSV re-export. No upload.
Markdown Table Formatter
Align ragged markdown tables into padded columns, compact form, or HTML table markup. Alignment kept. Local.
Data Size Converter
Convert sizes across SI and IEC units, see both ladders, transfer time at your Mbps speed. No upload.
URL Parser
Split a URL into scheme, host, port, path, decoded params, fragment and userinfo. Raw and decoded views.
Robots.txt Generator
Build a robots.txt file visually: per-crawler rules, Allow and Disallow paths, sitemap lines and a live preview.
Sitemap.xml Generator
Turn a list of URLs into a valid sitemap.xml with lastmod dates and global hints, previewed live in-browser.
Meta Tag Generator
Build title, description, robots, Open Graph and Twitter Card tags with live character counters — right in your browser.
UTM Link Builder
Tag any URL with the five UTM parameters for campaign tracking, with live preview, a QR code and saved links on-device.
App Icon Generator
Turn one square PNG into every iOS, Android, PWA and macOS icon size, packed in a ZIP. Resizing happens in-browser.
Flexbox Generator
Build flexbox layouts visually: set container and per-child flex values on a live stage, then copy the CSS.
CSS Grid Generator
Build CSS grid layouts visually: paint named areas, set tracks and gaps, then copy the generated grid CSS.
Box Shadow Generator
Stack layered CSS box-shadows visually: offset, blur, spread, color and inset sliders, live preview, one-click copy.
Border Radius Generator
Dial in CSS rounded corners and blobs with one, four, or eight radius sliders, live preview, copy-ready CSS.
Keyboard Tester
Test every key on your keyboard in the browser: per-key hit counters, stuck-key alerts and a last-key readout.
Screen Resolution Checker
Check your screen resolution, viewport size, pixel ratio, refresh rate estimate and pointer type, live in the browser.
Dead Pixel Test
Flash solid colors, gradients and moving bars full screen to find dead or stuck pixels on any monitor or phone.
Camera & Mic Test
Check your webcam and mic before a meeting: live preview, device picker, level meter and a 440 Hz speaker beep.
Tone Generator
Play test tones from 20 to 20,000 Hz with sine, square, triangle or saw waves, frequency sweeps, and left-right balance.
Noise Machine
White, pink and brown noise generated in your browser, with volume, a low-pass filter, fades and a sleep timer.
Audio Trimmer
Trim MP3, WAV, M4A or OGG clips in your browser: drag waveform handles, preview fades, and export lossless WAV.
X Character Counter
Live X character counter for tweets, bios and names: links cost 23, emoji count as 2, like the app.
Company Name Generator
Brainstorm brand names from one keyword across six proven naming styles, heart a shortlist and copy it. Fully offline.
Passphrase Generator
Build memorable diceware-style passphrases with crypto randomness from a 1,143-word list, with entropy readout. Offline.
Password Strength Checker
Score a password on length, classes, common-list and sequence checks with entropy math — nothing typed ever leaves.
Meme Generator
Add top and bottom captions to any image in the classic Impact meme style and export a PNG right in your browser.
ASCII Banner
Turn short text into big figlet-style ASCII art banners with three classic fonts, fully offline in browser.
Fraction Calculator
Add, subtract, multiply or divide fractions and simplify any one, with exact reduced answers and every step shown.
Exponent Calculator
Compute powers, roots, e^x and ln(x) with exact big integers where possible, scientific notation, and honest edge notes.
Prime Factorization Calculator
Split numbers up to 10^14 into primes, with the divisor list and count, a primality badge, and division-ladder steps.
LCM & HCF Calculator
Least common multiple and greatest common factor for up to 10 numbers, with three worked methods and a check.
Standard Deviation Calculator
Get mean, median, mode, variance, sample and population standard deviation, MAD, CV%, and a histogram from any data set.