About this tool
URL Encoder — Encode special characters for safe use in URLs. Free, fast and private. Runs entirely in your browser at Quick Calci Tools.
Examples
Common scenarios for the URL Encoder.
Query value with spaces
- text
- hello world
hello%20world or + when application/x-www-form-urlencoded mode is on.
Unicode café
- text
- café
UTF-8 percent bytes such as caf%C3%A9.
Ampersand in data
- text
- a&b=c
Encodes & so parsers do not split early.
Who uses the URL Encoder?
Common scenarios and audiences for this tool.
Frontend devs
Build safe search links with user-supplied keywords.
Bug bounty hunters
Craft WAF test payloads without breaking URL grammar.
Technical writers
Illustrate encoding tables for HTTP tutorials.
Students
Homework on character sets and escaping.
SRE
Sanity-check redirect targets in config before deploy.
Frequently asked questions
Everything you need to know about the URL Encoder.