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Encode and decode URLs and individual components — supports full URL, component, and query-param modes.
A browser-based URL encoding and decoding tool with three modes: Full URL (encodeURI/decodeURI — preserves structural characters like :, /, ?), Component (encodeURIComponent/decodeURIComponent — encodes everything for safe embedding), and Query Params (parses a URL and re-encodes only the query parameters). Features one-click copy and input/output swap. No server required — everything runs client-side.
Encode and decode Base64 strings in your browser — supports plain text and file uploads with Unicode handling.
Visual gradient editor — pick colors, adjust stops, choose direction, and copy the CSS with one click.
Generate beautiful color schemes from any base color — complementary, analogous, triadic, and more.
URL Encoder / Decoder is a free online tool available on BuildHub. Encode and decode URLs and individual components — supports full URL, component, and query-param modes.
This tool is designed for developers, engineers, and technical professionals who want to speed up their daily coding tasks. It runs entirely in your browser — no downloads, no sign-ups, and no data sent to external servers.
Whether you're working on a quick personal project or a professional deliverable, URL Encoder / Decoder helps you get results faster with zero friction.
Yes, 100% free with no hidden costs. You don't need to create an account or provide payment information. Just open the tool and start using it.
Absolutely. URL Encoder / Decoder processes everything directly in your browser. Your input data is never uploaded to our servers or stored anywhere.
Yes. The tool is fully responsive and works on smartphones, tablets, and desktop browsers. No app installation required.