All Tools
Every tool works offline in your browser — nothing is ever uploaded.
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Base64 Encoder & Decoder
Free online Base64 encoder and decoder with full UTF-8 support. Convert text to Base64 or decode Base64 back to plain text instantly. Everything runs in your browser — no data is uploaded.
URL Encoder & Decoder
Free online URL encoder and decoder. Percent-encode query parameters or encode complete URLs while preserving their structure. Runs entirely in your browser.
Word Counter
Count words, characters, sentences and paragraphs in real time as you type. CJK-aware word counting and a reading-time estimate included.
Text Case Converter
Convert text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case and kebab-case in one click.
Regex Tester
Test JavaScript regular expressions live. See every match highlighted with capture groups, match indexes and instant syntax errors.
Lorem Ipsum Generator
Generate Lorem Ipsum paragraphs, sentences or words for design mockups — with or without the classic opening. Free and instant.
JSON Formatter
Format, validate and minify JSON online. Pretty-print with 2 or 4 spaces, get precise error positions, and copy or download the result. Nothing leaves your browser.
UUID Generator
Generate random UUID v4 and time-ordered UUID v7 identifiers in bulk, using the browser cryptographic random API. Copy one or all with a click.
Unix Timestamp Converter
Convert Unix timestamps to readable dates and back. Shows local time, UTC and ISO 8601, handles both seconds and milliseconds, with a live current-time display.
JWT Decoder
Decode JWT header and payload into readable JSON, with expiry and issue dates converted to human-readable form. Runs locally — tokens never leave your browser.
Cron Expression Parser
Parse and generate cron expressions online. Supports Linux crontab (5 fields) and Spring scheduling (6-7 fields), with next run times and preset examples. Runs locally in your browser.
Hash Generator
Compute MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes from any text instantly. Local computation via the Web Crypto API — nothing is uploaded.
Password Generator
Generate cryptographically random strong passwords in your browser. Choose length, character sets and exclude look-alike characters. Nothing is stored or sent.
Image Compressor
Compress JPG, PNG and WebP images locally in your browser with a quality slider and optional resizing. No upload, no size limits, no queues.
QR Code Generator
Generate QR codes for URLs, text or any content. Customize size, colors and error correction, then download a crisp PNG. Static codes never expire.
Color Converter
Convert colors between HEX, RGB, HSL and HSV with a live preview. Pick a color or paste any CSS color value and copy the format you need.