Base64 Encoder / Decoder
Encode and decode UTF-8 text as Base64 instantly in your browser, with validation, file input, and copy or download actions.
Encode/Decode
Use this free Base64 tool to convert text into a safe transport format or decode it back into readable content. It is useful for APIs, email payloads, embedded data, and quick troubleshooting without any sign-up.
How to use
- Paste your text or upload a file to the tool.
- Choose whether you want to encode or decode the content.
- Review the output and copy or download it when it looks correct.
- Use the validation checks to confirm the data is valid for the selected mode.
0 chars
0 chars
Tool overview
Encode text as Base64 or decode Base64 back into readable UTF-8 content with this free browser-based tool. It is useful for API testing, data URLs, and quick troubleshooting with no sign-up.
Base64 in the browser
- Encode normal text as UTF-8 Base64.
- Decode valid Base64 back into readable text.
- Validate input and copy or download the result.