All Tools
These tools run locally in your browser for speed and safety. Inputs are not uploaded. Network access is only used where necessary (e.g., maps).
Developers
URL Parser & Builder
BetaParse a URL into parts, tweak params, and copy the result.
Text Diff Checker
BetaCompare two texts and highlight differences.
JWT Decoder
BetaDecode JWT header & payload (no secrets).
UTM Builder
BetaCreate campaign URLs with UTM parameters.
JSON Formatter
BetaValidate, pretty-print, and minify JSON.
Text Case Converter
BetaConvert text between upper, lower, title, snake, kebab, camel.
Regex Tester
BetaTest patterns with flags; see matches and groups.
Base64 Encoder / Decoder
BetaEncode/decode Base64 safely in your browser.
UUID Generator
BetaGenerate RFC 4122 v4 identifiers (Web Crypto).
Word Counter
BetaCount words, characters, sentences and reading time.
URL Encoder / Decoder
BetaEncode and decode URLs safely in your browser.
Number Base Converter
BetaConvert between binary, decimal, and hex.
Slugify Text
BetaTurn titles into URL-friendly slugs.
Line Tools (Sort & Dedupe)
BetaSort, trim, dedupe, and count lines.
Hash Generator
BetaCompute SHA-256/SHA-1/MD5 using Web Crypto.
XML Formatter
BetaPretty-print and minify XML.
HTML Entities Encoder/Decoder
BetaEncode or decode HTML entities safely.
Lorem Ipsum Generator
BetaGenerate placeholder text by paragraphs or words.
Random String Generator
BetaGenerate cryptographically random strings.
Security
AES Encrypt / Decrypt
BetaPassword-based AES‑GCM encryption & decryption (PBKDF2).
HMAC (SHA‑256)
BetaCompute HMAC-SHA256 signatures in your browser.
Password Generator
BetaStrong passwords with crypto-grade randomness.
Password Strength Checker
BetaCheck password strength with live feedback.
Pwned Password Check
BetaCheck if a password appears in known breaches (k-anonymity).
Design
Box-Shadow Generator
BetaDesign CSS shadows with a visual preview.
Border-Radius Generator
BetaTweak individual radii and copy the CSS.
Color Formats Converter
BetaConvert between HEX, RGB, and HSL.
Image to ASCII Art
BetaTurn images into ASCII art in your browser.
Color Picker
BetaHEX, RGB, HSL with copy buttons.
QR Code Generator
BetaCreate QR codes as PNG or SVG.
Color Contrast Checker
BetaWCAG AA/AAA contrast ratio for text and UI.
Barcode Generator
BetaCreate Code128/EAN-13 barcodes as SVG.
CSS Gradient Generator
BetaCreate linear gradients and copy CSS.
Favicon Generator (PNG)
BetaCreate 16/32/64/180px PNG favicons from an image.
Conversion
Image Converter & Compressor
BetaConvert PNG/JPG/WebP, resize and compress in your browser.
CSV ↔ JSON Converter
BetaConvert CSV to JSON and back, offline.
Byte Size Converter
BetaConvert between bytes, KB, MB, and GB.
Time Zone Converter
BetaConvert dates and times across time zones using your browser.
Unit Converter
BetaConvert length, mass, temperature, and more.
Epoch ↔ Date Converter
BetaConvert Unix time (s/ms) to human date and back.
Markdown ↔ HTML
BetaConvert Markdown to HTML and back.
JSON ↔ YAML
BetaConvert JSON to YAML and back.
Image → Base64
BetaConvert images to Base64 data URLs in your browser.
Health
Community
Education
Roman Numeral Converter
BetaConvert numbers to Roman numerals and back.
Morse Code Translator
BetaTranslate text ↔ Morse code.
Learn Arabic for Kids
BetaPlayful flashcards with Arabic text-to-speech and celebration.
Text to Speech
BetaHave your browser read text aloud (Speech Synthesis).
Speech to Text
BetaDictate and transcribe in the browser (Web Speech API).