URL Encoder / Decoder: guide & how to use

Use percent-encoding for query strings or full URI encoding. Helpful when building links and debugging APIs. This guide is part of our guides library in the Data & format converters category—JSON, CSV, YAML, XML, Base64, URLs, Markdown, and PDF export—everything stays in your browser except PDF rendering.

What this tool does

URL Encoder / Decoder — Encode or decode URL components and full URIs. It fits alongside other utilities on AI Tool Hub so you can solve small problems quickly without installing desktop software.

When it helps

Reach for this tool when your work overlaps with topics like: url encode, percent encode, uri, query string. Teams use these utilities for ad hoc checks during development, studying, content drafting, and light business calculations—always double-check critical numbers against your own policies or professionals when stakes are high.

How to use it

1. Open the tool using the button below.
2. Enter or paste your input in the workspace.
3. Review the output and copy or export it for your project.

Common questions

Component vs full URI?

Component mode encodes almost everything with encodeURIComponent. Full URI mode uses encodeURI so delimiters like ? and # stay valid.

Related tools

Pair this workflow with other utilities on the site:

• Base64 Encoder / Decoder

  Encode and decode Base64 with Unicode-safe handling.
• Markdown to HTML

  Turn Markdown into HTML with a live preview.
• JSON Formatter

  Format, minify, and validate JSON in the browser.

Privacy

Like most utilities in this category, URL Encoder / Decoder runs locally in your browser after the page loads—your content is not sent to our servers for processing.