Generators Online Tools
Free online generators including JSON formatter, text compare, hash generator, Base64 encoder, URL parser, and more. With 13 IO Tools helps you quickly format, convert, encode, and work with data directly in your browser. Most tools run locally for speed and privacy, and most tool inputs are not stored on our servers. Some features that require storage (for example, Quick Paste) store data only to provide that feature. Built to keep useful tools simple, fast, and all in one place - dmlub2Ro
Generators
13 tools
UUID Generator
Generate single or bulk UUID v4 values instantly.
UUID v7 and ULID Generator
Generate sortable UUID v7 and ULID identifiers with secure randomness.
Password Generator
Create strong random passwords with configurable character sets.
Random String Generator
Generate random strings for tokens, placeholders, and test data.
Passphrase Generator
Generate memorable multi-word passphrases for stronger account security.
Nano ID Generator
Generate compact secure nano IDs with custom alphabet and length.
Username Generator
Generate multiple username ideas with style and number options.
QR Code Generator
Generate QR codes for text and URLs with size, error correction, and color controls.
QR Code Decoder
Decode QR payloads from uploaded images directly in your browser.
Barcode Generator
Generate CODE128, EAN13, UPC, and ITF14 barcodes with configurable dimensions.
Data Matrix and Aztec Generator
Generate Data Matrix or Aztec 2D codes for compact payload encoding.
QR Style Tool
Create styled QR visuals with shape and color customization.
UUID Validator
Validate UUID values by version and format and check input batches quickly.