Developer tools
Validate, encode and prepare your data.
JSON formatter and validator
Validate JSON and add indentation to make it easier to read.
JSON minifier
Validate JSON and remove formatting whitespace.
Base64 encoder and decoder
Encode UTF-8 text as Base64 and decode valid Base64.
URL encoder and decoder
Encode text for a URL or decode percent-encoded characters.
HTML entity encoder and decoder
Convert HTML special characters to entities and back.
UUID v4 generator
Generate UUID v4 identifiers with cryptographic randomness.
SHA-256 hash generator
Calculate the SHA-256 hash of UTF-8 text in your browser.
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