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
Developer utilities: format, validate, and transform
Units, dimensions, energy & mechanics
CSS, layout & SVG tools
Writing, proofreading & tone tools
Generate decimals with a chosen range and precision.
Build and preview Valorant crosshair settings.
Convert between plain text and URL-encoded strings.
Convert between common volume units.
Split selected pages into a new PDF.
Convert force between lbf and N.
Encode JavaScript as Base64 or decode Base64 back to text.
Convert WebP files and Base64 data in both directions.
Calculate XOR outputs for two values.
Create random version 4 UUIDs.
Split images into grid tiles.
Reduce file size without visible loss.
Convert Kelvin to Celsius.
Convert mass to liquid volume using density.
Generate resize, overflow, and dimension constraint CSS.
Generate and inspect solid background-color declarations.
Pick a date between your chosen start and end dates.
Recursively sort JSON object keys.