Encode / Decode
Encode and decode strings between formats
4 free tools
No login
100% browser-based
Base64 Encoder & Decoder
Encode text to Base64 or decode Base64 strings instantly
URL Encoder & Decoder
Percent-encode URLs or decode URL-encoded strings instantly
Image to Base64 Encoder
Convert images to Base64 data URLs for use in HTML and CSS
HTML Entities Encoder
Encode special characters to HTML entities and decode them back
About Encode / Decode
Encode / Decode — Encode and decode strings between formats. All tools are free, run entirely in your browser, and require no login or account.