Base64 Decode
Base64 decoding converts an encoded string back to text so you can inspect payloads, headers and non-secret snippets.
Runs in your browserNo uploadFree · no signup
Direct answer
Base64 Decode is a browser-side workflow connected to Base64. It converts Base64 to Plain text without requiring an upload.
Base64
SGVsbG8sIGluYnJvd3Nlci5zaCE=
Plain text
Hello, inbrowser.sh!
When to use it
- Paste the Base64 string.
- Choose Decode in the Base64 tool.
- Review and copy the decoded text.
Use the interactive tool
Open Base64 to run the workflow locally in your browser. This page is static HTML for search, examples and quick reference.
FAQ
Can this decode URL-safe Base64?
Yes. Enable the URL-safe option in the main Base64 tool.
Why did decoding fail?
The input may contain invalid Base64 characters, missing padding or non-UTF-8 bytes.