Developer Tools

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JSON Validator & Beautifier

Beautify, minify and validate JSON, with precise error locations, optional key sorting and adjustable indentation.

64

Base64 Encoder

Encode text to Base64 or decode it back, with URL-safe output and correct handling of accents, emoji and non-Latin scripts.

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HTML Minifier

Strip comments and redundant whitespace from HTML while protecting the content of pre, textarea, script and style tags.

CSS

CSS Minifier

Compress stylesheets by removing comments, collapsing whitespace, shortening hex colours and trimming redundant units.

JS

JavaScript Minifier

Remove comments and redundant whitespace from JavaScript without renaming anything, so behaviour is guaranteed unchanged.

ID

UUID Generator

Generate cryptographically random version 4 UUIDs in bulk, with hyphenated, uppercase, plain or braced formatting.