Developer Utilities

URL Encoder & Query Param Studio

Encode/decode URLs, percent-encoded parameters, and Base64 strings — or visually edit query strings and UTM tags in an interactive table.

Sample URLs:
Target URL (Live Reassembly)
Protocol: https:Host: vitalsaudit.comPath: /core-web-vitalsHash: #report6 Parameters
Query Parameter Deconstruction Table
Parameter KeyParameter ValueAction

About this tool

Comprehensive documentation & audit utility guide
Verified Utility

URLs can only be sent over the Internet using the ASCII character-set. Characters outside the standard ASCII set or reserved characters (such as ?, &, =, /, :) must be percent-encoded (%20, %26) to prevent parsing errors when transmitted in HTTP requests.

How it works
1
Paste URL or Parameters

Paste any full web address, encoded query string, or UTM tracking link.

2
Deconstruct & Edit

Inspect parameters in an editable table. Add, modify, or delete keys and values.

3
Encode / Decode on Demand

Switch between encodeURIComponent, encodeURI, and Base64 conversion.

4
Copy Reassembled Output

Copy the clean, validated URL with updated tracking parameters in 1 click.

What it checks
Live URL decomposition into protocol, hostname, path, hash, and search parameters
Support for encodeURIComponent, encodeURI, decodeURIComponent, and Base64
Interactive UTM campaign builder with real-time URL reassembly
100% Client-side execution with zero logging or external transmission