Base64 Encode / Decode
Encode and decode Base64, URL encoding, and HTML entities — 6 tools in one. Free, client-side, and completely private.
6 Encoding Tools in One
Base64 encode/decode, URL encode/decode, and HTML entity encode/decode — all in a single page.
Swap & Chain
Instantly swap between encode and decode modes. Output becomes input for reverse operations.
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Frequently Asked Questions
Paste your string into Toolsz Base64 encoder/decoder. It performs six distinct encoding processes (including HTML Entity translation and URL encoding) securely in your local environment. Keeping this local avoids exposing potential JWT secrets or server credentials over the network.
Yes. Toolsz strictly utilizes browser-native buffer rendering, making it the fastest and safest zero-signup encoding portal on the web. No data ever leaves your browser.