URL Encoder / Decoder
Convert text to URL-safe format and decode percent-encoded strings.
Methodology & standardsRuns on your device
Inputs
Results update liveInterpretation
How URL Encoding works
URL encoding converts reserved characters into percent-encoded values so links and query parameters stay valid and unambiguous.
Example
Key features
A realistic scenario showing how the calculation guides a practical decision.
Formula
space → %20 | ? → %3F | & → %26
- Encode raw text into URL-safe format
- Decode percent-encoded strings back to readable text
- Quick swap to chain encode/decode workflows
- Local processing only
Watch out
Common mistakes
- Use URL encoding for query values, path fragments, and form payloads. Keep full URL structure unescaped where possible.