Tools
Handpicked high-frequency tools, free to use. Search in the top bar for more.
ID Card Copy Maker
Turn photos of both sides of an ID card into a print-ready A4 photocopy. Auto-straightens skewed photos, removes the background, prints at real size. 100% local.
IP Network Tools
My IP query with geolocation, website traffic split test, and DNS exit lookup in one tool.
JSON Formatter
Format, minify, validate, escape and unescape JSON with syntax highlighting, code folding, in-editor search, and precise error locations.
Markdown Editor
Edit and preview Markdown online. Export to PDF, image, HTML, and more.
Base64 Encode/Decode
Base64 encoding and decoding with UTF-8 support. One-click copy and download.
Password Generator
Generate strong, secure passwords with custom length and character types. 100% local — never sent to any server.
QR Code Tool
Free QR code generator with custom logo, emoji & colors. Decode from image or camera. No sign-up, no watermark, no limits.
JWT Decoder
Decode JWT tokens and inspect Header, Payload, Signature, and expiry status. 100% local — nothing transmitted.
Timestamp Converter
Convert Unix timestamps to human-readable dates and back. Supports seconds, milliseconds, and multiple timezones.
C2PA Verifier — Check Content Credentials
Check whether an image carries C2PA Content Credentials from Anthropic, OpenAI, Adobe, or cameras. Signature verified in your browser via WASM — the file is never uploaded.
AI Watermark Checker
Scan text for hidden Unicode watermarks: zero-width spaces, direction controls, and tag characters that smuggle invisible messages. Decode hidden payloads and clean them — 100% local.