AlfennAI

Developer Tools

Formatters, validators and encoders for developers.

JSON Formatter

Format, validate and beautify JSON instantly with syntax highlighting.

JSON Validator

Validate JSON syntax and pinpoint exactly where errors occur.

Base64 Encoder

Encode text or strings into Base64 format instantly.

Base64 Decoder

Decode Base64 strings back into readable text instantly.

URL Encoder

Percent-encode text and URLs for safe use in query strings and links.

URL Decoder

Decode percent-encoded URLs and query strings back to plain text.

JWT Decoder

Decode a JWT's header and payload without verifying the signature.

JWT Encoder

Create a signed HS256 JSON Web Token from a payload and secret.

Regex Tester

Test regular expressions against sample text and see every match highlighted.

HTML Formatter

Beautify minified or messy HTML with proper indentation.

CSS Minifier

Minify CSS by removing comments, whitespace and redundant characters.

JavaScript Minifier

Strip comments and extra whitespace from JavaScript code.