Encode & decode
Switch between encode and decode modes with one click. Output updates instantly.
Tools
Base64 Encoder / Decoder
Encode plain text to Base64 or decode Base64 strings back to readable text. Useful for API tokens, email attachments, and data URIs.
Swap output to input
Use the output as the next input to chain encode/decode operations easily.
Runs in browser
All processing happens locally — no text is sent to any server.
How to use Base64 Encoder / Decoder
Step 1
Choose mode
Switch between Base64 encode and decode depending on your task.
Step 2
Paste text or Base64
Enter plain text for encoding or a Base64 string for decoding.
Step 3
Copy output
Copy converted output for API auth, payloads, or browser-side utilities.
FAQ
Can I both encode and decode Base64 here?
Yes. The tool supports both encoding plain text and decoding Base64 values.
Does this support unicode text?
Yes. Unicode text is handled during encode and decode operations.
Is conversion done locally?
Yes. Processing happens in your browser and no input is uploaded.