Tools
Browser-based utilities. No data leaves your device.
Password Generator
Random strings and diceware passphrases. All client-side.
QR Code
Text to QR code. Download as PNG.
Encode / Decode
Base64, hex, URL, JSON format, JWT decode. All in the browser.
IP Info
See your public IP, user-agent, and request headers.
Image Tools
Strip EXIF, resize, convert format. Fully client-side.
Text Diff
Side-by-side text comparison with highlighted changes.
Regex Tester
Live-highlight matches and capture groups. All client-side.
Cron Tester
Parse a cron expression and see the next 10 execution times.
JSON Schema
Validate a JSON document against a JSON Schema.
HTTP Client
Send HTTP requests from the server. Bypasses CORS.
Markdown Preview
Live split-pane Markdown editor and preview.
UUID / ULID
Generate UUID v4, ULID, and nanoid. One-click copy.
Color Converter
Convert between hex, RGB, and HSL with a live swatch.
Timestamp
Live epoch clock and Unix timestamp ↔ date converter.
DNS Leak Test
See your IP as seen by this server and check for leaks.
Email Headers
Analyze email header hops and delivery delays.
Fingerprint
See what your browser reveals: canvas, WebGL, screen, etc.
Metadata Viewer
View EXIF/TIFF/GPS tags from images. Client-side only.