How to Base64 Decode Text
Published September 11, 2026 · 2 min read
Whether it's a token from an API response, a config value, or something you spotted in a URL, decoding base64 back into readable text is a common debugging step. This does it instantly, right in your browser.
Try Base64 DecodeSteps
- 1
Open the Base64 Decode tool
Go to the base64 decoder.
- 2
Paste your base64 string
Paste the encoded text.
- 3
Decode
The tool converts it back to its original text.
- 4
Copy the result
Use the decoded text wherever you need it.
Frequently asked questions
You'll get a clear error rather than garbled output, so you know immediately if the input wasn't actually valid base64 text.
This tool is for text; for an image encoded as base64, use the dedicated Base64 to Image tool instead, which renders the result as a viewable picture.
No — decoding happens entirely in your browser's memory, so pasting in a sensitive encoded token never sends it anywhere else.
Because it runs locally, this is a safe way to peek inside a base64 token — like a JWT segment — without pasting it into an unfamiliar third-party site.