URL Encoder & Decoder

Encode or decode URLs with special characters. Essential tool for web developers and SEO professionals.

Text & Data Converter

15 powerful converters: URL, Base64, JSON, HTML, Hash, JWT, Case, UUID, Timestamp, Hex, Binary, URL Params, Text Stats, Website Screenshot

Input

About URL Encoder & Decoder

Percent-encoded URLs are essential for safe transmission of special characters in query strings, paths, and API parameters. The URL Encoder / Decoder converts between human-readable and encoded forms instantly — with transparent two-way output.

When Encoding Is Required

🔗 Query Strings: Spaces, &, =, and + must be encoded in parameter values.
📧 Email Links: mailto: href values need encoded subjects and bodies.
🌐 API Calls: Non-ASCII characters in REST paths or headers.

Encode vs. encodeURI

encodeURIComponent encodes the full value including / ? # &. Use it for parameter values. encodeURI preserves URL structure — use it for full URLs you want to keep navigable.

Working with complex query strings? Use URL Query Parser to break them into readable key-value pairs.

Frequently Asked Questions

When should I URL encode a value?

Encode any parameter value that contains spaces, special characters, or non-ASCII text before including it in a URL.

What is the difference between encodeURI and encodeURIComponent?

encodeURI encodes a full URL while preserving structure characters. encodeURIComponent encodes everything including /, ?, and &.

Are URLs case-sensitive?

The scheme and host are case-insensitive. Paths, query strings, and fragments may be case-sensitive depending on the server.

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Need Help?

Check out our technical guides to learn more about how browser-side processing works.

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