Tools
15 deep utilities — no accounts, no installs, most run fully in your browser
Unit Converter
Convert across 10 measurement families with 60+ units, from millimeters to light-years.
Scientific Calculator
Full expression engine with trig, logs, powers, constants, degree/radian modes and history.
GPA Calculator
Weighted and unweighted GPA across AP, IB, honors and college-prep course levels.
Text Analyzer
Readability scoring, reading time, word frequency and eight case conversions.
Markdown Editor
Split-view markdown writing with a formatting toolbar, drafts and .md export.
JSON Toolkit
Validate, format, minify and inspect JSON with exact error locations and stats.
Regex Tester
Test patterns live with match highlighting, capture groups and a cheat sheet.
Encoder / Decoder
Base64, URL encoding, ROT13, binary, hex and Morse with full Unicode support.
Hash Generator
SHA-1, SHA-256, SHA-384 and SHA-512 digests computed locally in your browser.
Flashcards
Build decks, study with shuffle and flip, and track progress on your device.
Focus Timer
Configurable Pomodoro engine with auto-cycling phases, chimes and daily stats.
Typing Test
Measure WPM and accuracy with live character feedback and personal bests.
Color Studio
Convert formats, generate harmonies and check WCAG contrast accessibility.
QR Code Studio
Design QR codes with colors, error correction, margins and Wi-Fi presets.
Password Forge
Passwords and passphrases with entropy math, crack-time estimates and bulk output.