Four common encoding operations
Encode or decode URL components and encode or decode UTF-8 text with Base64 without switching between separate pages.
All tools
Four common codec operations
URL / Base64 Codec
Encode and decode URL components or Base64 text with full UTF-8 support.
Runs locally in your browserSelect, run and copy
Choose the operation, paste the source text, run it, then copy the output. Swap the two editors to perform the reverse operation quickly.
Method and sources
URL operations use encodeURIComponent and decodeURIComponent. Base64 conversion uses UTF-8 TextEncoder/TextDecoder-compatible byte handling before browser Base64 functions.
Frequently asked questions
What can URL / Base64 Codec do?
Encode or decode URL components and encode or decode UTF-8 text with Base64 without switching between separate pages.
How do I use URL / Base64 Codec?
Choose the operation, paste the source text, run it, then copy the output. Swap the two editors to perform the reverse operation quickly.
Does URL / Base64 Codec upload my data?
The tool runs in your browser. Your selected files, entered content and generated results are not sent to Zituo Tools.