Free tools for PDF editing, developer utilities, and security. Merge PDFs, decode JWTs, generate UUIDs, format SQL, convert images.
Security, Crypto & Encoding
Image, text, and unit conversion
Fast, browser PDF editing & conversion
API testing, mocks & webhooks
Developer utilities: format, validate, and transform
Data generation, splitting & transformation
Developer logic, scheduling & simulation
CSS, layout & SVG tools
Convert between plain text and URL-encoded strings.
Convert pence to pounds.
Combine PNGs into a PDF.
Convert kilograms to pounds.
Convert kelvin to fahrenheit.
Convert inches to centimeters.
Convert inch pounds to foot pounds.
Convert feet and inches values.
Convert pounds and ounces values.
Convert length values.
Remove comments and markups.
Convert between text and Unicode escape sequences.
Convert between JSON objects and XML documents.
Trim margins or whitespace from pages.
Convert between BMP and PNG image files.
Convert quarts to pounds.
Convert between SRT, VTT, and basic ASS subtitles.
Convert decagram to gram.