English interface
URL component encoder and decoder
Percent-encode or decode one URI component locally.
ReviewedGeneral utility
Saves this tool's name on this device only (up to 20). No form values.
Only visible result text is included. Form fields are not read. Review sensitive values before sharing.
How to use it
- Choose encode or decode.
- Enter one component value.
- Process and copy the reviewed output.
Important limitation
Treats all input as one component. Parse complete URLs and encode their individual values instead of encoding a whole URL blindly.
The interactive form is fully localized in English.
Reviewed 2026-09-09; next review 2027-09-09.
Core calculations, cited sources and main examples have been reviewed within the stated scope.
Recorded updates
Site changelogReview history
Dates describe the review scope recorded below. A page update does not mean every source was checked again.
- Last recorded source/method review
Core calculations, cited sources and main examples have been reviewed within the stated scope.