Encode / Decode

Base64, URL, and HTML entity encoding and decoding utilities.

Convert text between encodings instantly - all locally, nothing leaves your browser. Encode / Decode is a fast, lightweight Chrome extension that gives you three essential text transformation tools in one clean popup: - Base64 - Encode any Unicode text to Base64, or decode Base64 back to readable text. Full Unicode support via UTF-8. - URL - Percent-encode strings for safe use in URLs, or decode percent-encoded sequences back to plain text. - HTML Entities - Escape special HTML characters (`&`, `<`, `>`, `"`, `'`) for safe rendering, or decode named entities (&amp;, &lt;, &gt;), numeric character references, and hex references back to their original characters. Features - All processing is local. Your text never leaves your browser - no servers, no telemetry, no network requests. - Copy with one click. Every output has a dedicated copy button with visual confirmation. - Keyboard shortcut. Press `Ctrl+Enter` to encode without reaching for the mouse. - Character counts. See output length at a glance. - Clear error messages. Invalid input is explained in plain language, not cryptic error codes. - 140+ interface languages. Switch languages on the fly from the dropdown - includes RTL support for Arabic, Hebrew, Persian, Urdu, and others. - Clean, accessible UI. Built with WAI-ARIA tab semantics, keyboard navigation, and screen-reader labels. Use cases - Developers inspecting or preparing data for APIs - Troubleshooting URL encoding issues in web applications - Quickly escaping HTML for rendering or debugging - Decoding Base64 payloads or configuration values - Anyone who needs fast, private text encoding/decoding in their browser