Encoding Tools
Explore free online developer tools in this category—formatters, converters, generators, and more. Open any card to use the tool in your browser.
33 tools available
- Base64 Encoder Online FreeFree online Base64 encoder tool to convert plain text into Base64 strings instantly.
- Base64 Decoder Online FreeFree online Base64 decoder tool to decode Base64 text and inspect original content quickly.
- File to Base64 Encoder OnlineFree online encoder that reads small files and outputs Base64 for data URLs, tests, and API mocks.
- Base64URL Encoder Online FreeFree online Base64URL encoder tool for JWT payloads and URL-safe token generation.
- Base64URL Decoder Online FreeFree online Base64URL decoder tool to decode JWT segments and URL-safe Base64 strings.
- Image to Base64 Data URL Encoder OnlineFree online image encoder that outputs data URLs for tiny assets in HTML, CSS, or email prototypes.
- Text to ASCII Codes Converter OnlineFree online encoding inspector that lists decimal ASCII codes per character for debugging strings.
- ASCII Codes to Text Converter OnlineFree online translator that decodes space-separated ASCII numbers back into readable text.
- Base32 Encoder OnlineFree online base32 encoder tool for developers to encode and transform data quickly in the browser.
- Base32 Decoder OnlineFree online base32 decoder tool for developers to decode and inspect data quickly in the browser.
- Base58 Encoder OnlineFree online base58 encoder tool for developers to encode and transform data quickly in the browser.
- Base58 Decoder OnlineFree online base58 decoder tool for developers to decode and inspect data quickly in the browser.
- Base85 Encoder OnlineFree online base85 encoder tool for developers to encode and transform data quickly in the browser.
- Base85 Decoder OnlineFree online base85 decoder tool for developers to decode and inspect data quickly in the browser.
- Hex Encoder OnlineFree online hex encoder tool for developers to encode and transform data quickly in the browser.
- Hex Decoder OnlineFree online hex decoder tool for developers to decode and inspect data quickly in the browser.
- Binary Encoder OnlineFree online binary encoder tool for developers to encode and transform data quickly in the browser.
- Binary Decoder OnlineFree online binary decoder tool for developers to decode and inspect data quickly in the browser.
- URL Safe Base64 Encoder OnlineFree online url safe base64 encoder tool for developers to encode and transform data quickly in the browser.
- URL Safe Base64 Decoder OnlineFree online url safe base64 decoder tool for developers to decode and inspect data quickly in the browser.
- Unicode Escape Encoder OnlineFree online unicode escape encoder tool for developers to encode and transform data quickly in the browser.
- Unicode Escape Decoder OnlineFree online unicode escape decoder tool for developers to decode and inspect data quickly in the browser.
- HTML Unicode Entity Encoder OnlineFree online html unicode entity encoder tool for developers to encode and transform data quickly in the browser.
- HTML Unicode Entity Decoder OnlineFree online html unicode entity decoder tool for developers to decode and inspect data quickly in the browser.
- Punycode Encoder OnlineFree online punycode encoder tool for developers to encode and transform data quickly in the browser.
- Punycode Decoder OnlineFree online punycode decoder tool for developers to decode and inspect data quickly in the browser.
- Quoted Printable Encoder OnlineFree online quoted printable encoder tool for developers to encode and transform data quickly in the browser.
- Quoted Printable Decoder OnlineFree online quoted printable decoder tool for developers to decode and inspect data quickly in the browser.
- Gzip + Base64 Encoder OnlineFree online gzip + base64 encoder tool for developers to encode and transform data quickly in the browser.
- Gzip + Base64 Decoder OnlineFree online gzip + base64 decoder tool for developers to decode and inspect data quickly in the browser.
- ROT13 Encoder OnlineFree online rot13 encoder tool for developers to encode and transform data quickly in the browser.
- ROT13 Decoder OnlineFree online rot13 decoder tool for developers to decode and inspect data quickly in the browser.
- ASCII to Hex Converter OnlineFree online ascii to hex converter tool for developers to convert and transform data quickly in the browser.