Encoding & Decoding

Encode, decode, and inspect Base64 payloads with URL-safe mode, line-break control, drag-and-drop input, and instant validation — all in your browser.

Encode and decode text using Base32 with support for multiple variants and formatting options

Encode or decode full URLs and URI components with precise control over reserved characters, space handling, and percent encoding — perfect for debugging query strings and APIs.

Encode text to HTML entities using named, numeric, hexadecimal, or smart encoding modes

Decode HTML entities into readable text characters, supporting named entities, numeric codes, and hexadecimal values with comprehensive validation.

Inspect JSON Web Tokens with instant header/payload decoding, signature awareness, claim validation, and security warnings — all in-browser.

Escape and unescape strings for various programming languages and formats including JavaScript, JSON, HTML, XML, CSS, SQL, RegEx, URL, CSV, and Python.

Convert between emoji formats, analyze emoji usage, and search emoji database

Decode and analyze SSL/TLS X.509 certificates. Extract detailed information including subject, issuer, validity, public key, extensions, and perform security analysis.

Convert images to Base64 data URIs for embedding in HTML, CSS, or emails

Decode base64 encoded strings back to images. Extract images from data URLs, HTML, or CSS. Preview decoded images and download in original format.