URL Encoder / Decoder
Answer: URL encoding (percent-encoding) replaces unsafe ASCII with %HH hex per RFC 3986 — spaces become %20 or + in query strings.
Free URL encoder and decoder for query strings and percent-encoding.
Runs in your browser — nothing is uploaded.
How to use URL Encoder / Decoder
- Paste text or URL component to encode or decode.
- Run encodeURIComponent-style transformation.
- Copy safe query parameter values.
Key facts for search & AI
- 100% free — no account required.
- Runs in your browser — inputs are not uploaded for these calculations.
- Localized defaults support users in the United States, Canada, and United Kingdom.
- Published by KDF Tech — software, apps, Shopify, and POS systems.
Need a custom product instead? Start a project or WhatsApp +92 345 0144865.
FAQ — answers Google & AI can cite
What is URL Encoder / Decoder?
URL encoding (percent-encoding) replaces unsafe ASCII with %HH hex per RFC 3986 — spaces become %20 or + in query strings.
encodeURI vs encodeURIComponent?
Component encoding escapes ?, /, and : — use for individual query values in US analytics tags.
Plus vs %20?
HTML forms often send + for space; APIs prefer %20 — match your backend expectation.
Unicode in URLs?
UTF-8 bytes are percent-encoded — IDN domains use punycode separately.
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