Developer Tools • 100% Client-Side

URL Encoder/Decoder

Encode and decode URLs and query parameters using standard percent-encoding (RFC 3986). Safely escape special characters, query strings, and URI components for web APIs and browser links.

Encode and decode URLs and query parameters using standard percent-encoding (RFC 3986). Safely escape special characters, query strings, and URI components for web APIs and browser links.

URL Input

Encoded URL Output

How it works

  1. Select Encode or Decode mode
  2. Enter your URL or encoded string
  3. The conversion happens automatically
  4. Copy the result to clipboard

How to Use URL Encoder/Decoder Online

  1. Paste URL or query parameter: Input the web address, query string, or text you need to format.
  2. Select Encode or Decode: Choose encodeURIComponent to make characters URL-safe, or decode to readable text.
  3. Copy formatted URL: Copy the percent-encoded URL ready for API requests and browser address bars.

ClickBasic tools run 100% securely with zero installation, no registration, and no limits.

Key Features of ClickBasic URL Encoder/Decoder

RFC 3986 Percent-Encoding: Encodes special characters (&, ?, =, /, spaces) into safe percent sequences (%20, %26).
Two-Way Encoder & Decoder: Decode messy query parameters back into human-readable strings.
Prevent URL Injection: Safely escape dynamic user inputs before inserting them into query strings.
Real-Time Transformation: Encodes and decodes instantly as you type.

Frequently Asked Questions

Characters like spaces, question marks, and ampersands have special reserved meanings in URLs. Encoding converts them into safe percent sequences (like %20 for a space) so servers can parse them without error.

Related Tools You May Like

Explore more free, client-side online tools in Developer Tools

View All in Developer Tools

JSON Formatter

Format, validate, beautify, and minify JSON data online with instant syntax error detection. Indent nested objects with customizable spacing, collapsable trees, and one-click copy.

Use Tool

Base64 Encoder/Decoder

Encode strings and text to Base64 or decode Base64 back to human-readable UTF-8 plain text. Features real-time conversion, URL-safe Base64 formatting, and instant clipboard copying.

Use Tool

Hash Generator

Generate secure cryptographic hashes for text and strings using MD5, SHA-1, SHA-256, and SHA-512 algorithms. Compare hashes, verify checksums, and audit integrity with client-side cryptography.

Use Tool

Timestamp Converter

Convert Unix epoch timestamps (seconds, milliseconds, microseconds) to human-readable date and time formats in UTC and your local timezone, and convert dates back to Unix timestamps.

Use Tool