Base64 Encoder/Decoder
Encode or decode Base64 strings
About Base64 Encoder/Decoder
Convert text to and from Base64 instantly in your browser. No uploads or servers involved-safe for snippets and configuration values.
Great for quick API testing, email-safe payloads, and troubleshooting encoding issues across environments.
How to use Base64 Encoder/Decoder
Choose mode
Select encode or decode depending on your source.
Paste content
Add plain text or Base64 input and run conversion.
Copy output
Copy the result or swap fields to iterate.
Pro Tips
- Use decode to verify payloads coming from APIs or email-safe transfers.
- Swap after decode to re-encode adjusted content without retyping.
- Keep sensitive tokens local-nothing is sent over the network.
Key features of Base64 Encoder/Decoder
Encode & decode
Switch modes to convert text to Base64 or back to plain text.
Error feedback
Graceful handling for invalid Base64 input when decoding.
Clipboard ready
Copy output with one click to drop into tests or configs.
Swap inputs
Swap input/output fields to refine the result quickly.
Local only
Runs entirely in-browser for privacy and speed.
Mono-friendly
Editor uses monospaced font for readability.
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