Encode query parameters before adding them to links or redirects.
URL encoder / decoder
Prepare query parameters, debug escaped links, and safely convert encoded values without leaving the browser.
Quick samplesUseful for testing
URL Encode/Decode
About this tool
Use this online URL encoder and decoder to transform query strings, parameter values, and full URLs in a simple browser-based tool.
No signup requiredRuns in your browserInstant results
Decode incoming callback URLs to inspect actual values quickly.
Clean up copied URLs from logs, analytics, and browser devtools.
Why use this tool?Key benefits
Works instantly
Paste your input and get the result immediately — no page reload, no waiting, no configuration needed to get started.
Your data stays private
All URL Encode/Decode processing runs locally in your browser. Nothing you paste is sent to a server or stored anywhere.
Focused workspace
A dedicated page for URL Encode/Decode means a clean, distraction-free workspace you can bookmark and come back to anytime.
Frequently asked questionsCommon questions answered
These answers explain common url encode/decode tasks, expected input formats, and edge cases so both visitors and search engines can understand what this tool does.
When should I URL encode a value?
You should URL encode values when they contain spaces, symbols, query parameters, or reserved characters that need to be safely included inside a URL or query string.
What is the difference between encoding a full URL and a query parameter?
A full URL may need selective encoding, while a query parameter value should usually be encoded completely so characters like spaces, ampersands, and equals signs do not break the query string structure.
Why do I see %20, %3A, or %2F in encoded URLs?
Those are percent-encoded representations of reserved characters. For example, spaces become %20, colons become %3A, and slashes become %2F.
Can this tool decode callback URLs from logs or browser redirects?
Yes. It is useful for inspecting copied redirect URLs, encoded query strings, and callback parameters so you can see the underlying readable values.