Frequently Asked Questions
What can I encode and decode here?
You can run Base64 encode/decode and URL encode/decode operations on text values.
Can this help with API debugging?
Yes. It is useful for testing query parameters and encoded payload values.
Is encoded data uploaded anywhere?
No. All encoding and decoding happens in-browser.
Example input/output
Input: 72 101 108 108 111
Output: Hello
How it works
This tool splits the input on spaces, parses each value as an integer, and converts it back to a character using String.fromCharCode(). Processing runs in your browser.
Common use cases
- Decode ASCII code sequences found in documentation or source code
- Convert numeric ASCII values to readable characters for debugging
- Inspect character codes when troubleshooting encoding issues