Decode Base64 API Data
Decode Base64-encoded text from API responses and logs locally in your browser.
Free · Local browser processing · No signup
What this tool helps you do
Quickly inspect Base64 fields returned by APIs, logs or integrations while keeping the data on your device.
This page uses the same tested Base64 Encode / Decode engine as the main tool, but focuses on this specific task so you can get straight to the relevant workflow without hunting through a generic converter.
How to use it
- Paste or enter the content you want to process in the tool above.
- Use the preselected mode when this task has a specific mode, then click Run.
- Review the output, then copy or download it if the tool provides a download option.
Common uses
- Debugging integrations
- Inspecting webhook fields
- Reading encoded text values in logs
Example
Input: eyJvayI6dHJ1ZX0=
Expected result: {"ok":true}
Useful tip
Some API values contain binary data rather than text; this tool is designed for text-compatible Base64.
Frequently asked questions
Is this tool free?
Yes. The tool is free to use, requires no account and runs directly in your browser.
Is my input uploaded to a server?
No. The tool processes the input locally in your browser. Your tool input is not sent to ToolboxApp servers.
When should I use Base64 Encode / Decode?
Debugging integrations, inspecting webhook fields, or reading encoded text values in logs.