Browser-only utility
Encode and decode Base64 strings quickly in your browser. Paste a value, reuse an output as the next input, and inspect detected URLs without sending anything to a server.
Decode Base64 values or encode plain text. Results can be sent back into the input for repeated conversions.
Paste a Base64 value to convert it into readable text.
Check addresses from unknown sources before opening them.
You are solely responsible for anything that happens after opening the link.
Enter plain text to create a Base64 encoded value.
This page converts Base64-encoded strings into readable text and converts plain text into Base64. Paste a Base64 value or text into the relevant input field to see the output immediately.
If the decoded result is a web address, the tool shows a URL detection box with a button to open it in a new tab. Links never open automatically.
All conversion happens in the browser. The text you enter is not sent to a server.
Clipboard reading may require browser permission. If access is denied, paste the value manually.
These tools do not send Base64 input, plain text, or output to a server. Conversion runs only in your browser.
Clipboard reading is attempted only after you click the import button. The site does not read your clipboard on page load.
No. Base64 is an encoding format, not encryption. Anyone can decode it, so it should not be used to protect secrets.
No. These tools run in your browser and do not transmit your input or output.
No. Clipboard reading runs only when you click the import button.
No. A detected link opens only when you click the Open in new tab button.
An error message is shown and the output field is cleared.
Yes. The interface is responsive for mobile and desktop browsers.
Yes. Use the result-as-input button next to each output field to run another encode or decode pass.
It supports common Base64URL input by converting - and _ and adding missing padding when possible.
Base64 represents data as text. You may see it in API responses, email source, image data, tokens, logs, or configuration files.
Base64 does not hide sensitive information. Decoded output may contain private data, tokens, or passwords, so be careful before copying or sharing it.
If the decoded result is a link, avoid opening URLs from unknown sources. This tool shows links without opening them automatically.
Privacy by default
The site does not store input or output. Clipboard access and external links require an explicit user click.