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Encode and decode Base64 strings in your browser — supports plain text and file uploads with Unicode handling.
A browser-based Base64 conversion tool. Encode plain text or files into Base64, or decode Base64 back into readable text. Handles Unicode correctly via UTF-8, supports file uploads for binary-to-Base64 encoding, and provides one-click copy for results. Swap mode instantly to reverse your last conversion. No server round-trips — everything runs client-side.
Encode and decode URLs and individual components — supports full URL, component, and query-param modes.
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.
Base64 Encoder / Decoder is a free online tool available on BuildHub. Encode and decode Base64 strings in your browser — supports plain text and file uploads with Unicode handling.
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, Base64 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. Base64 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.