Encoding Tool
Base64 Encode / Decode
Encode text to Base64 and decode Base64 back to text.
Base64 Encode / Decode
Encode or decode text in Base64 directly in your browser.
Overview
Quickly convert between plain text and Base64 for API headers, payload fragments, and transport-level troubleshooting.
Examples
Encode plain text
Input
Hello API DeveloperOutput
SGVsbG8gQVBJIERldmVsb3Blcg==Decode Base64 text
Input
YXBpZGV2dG9vbHM=Output
apidevtoolsUse cases
- Build or inspect basic auth values.
- Decode encoded payload snippets in logs.
- Prepare Base64 values for API requests.
FAQ
Is Unicode text supported?
Yes. The tool handles UTF-8 text encoding/decoding.
Why does decode fail?
Input must be valid Base64 format.
Are files supported?
No. This tool currently targets text inputs.
Does this tool store my data?
No. Processing is local in the browser.