About ToolBench
ToolBench is a growing collection of free, browser-based tools for developers and everyday digital tasks — JSON and YAML formatting, base64 and URL encoding, hashing, JWT decoding, regex testing, text diffing, ID generation, and more.
Why everything runs in your browser
Every tool on ToolBench processes your input entirely on your own device using JavaScript running in your browser. When you paste JSON into the formatter or a token into the JWT decoder, that text is never sent to a server, logged, or stored — you can confirm this yourself by opening your browser's Network tab while using any tool and watching for outbound requests related to the data you typed.
We built it this way deliberately. A lot of the data people paste into online tools — API keys, internal config, production JSON payloads, auth tokens — isn't something you'd want sitting on a third-party server. Doing the work client-side means there's nothing to leak, because there's nothing to send.
What's here today
The tools are organized into a few categories, with more added over time:
- Formatting — pretty-print and validate JSON, YAML, SQL, and HTML.
- Conversion — base64, URL encoding, JSON ↔ CSV/XML, case conversion, escaping, cron expressions, and timestamps.
- Security — hash generation and JWT decoding.
- Compression — gzip compress/decompress with base64 output.
- Generators — UUIDs/ULIDs and strong passwords.
- Testing — regex testing, text diffing, and JSON validation/repair.
How the site is funded
ToolBench is free to use, with no account or signup required. The site is supported by Google AdSense and uses Google Analytics to understand which tools are useful and where to focus next. Neither of these affects how the tools themselves work, and neither has access to what you type into a tool. See the Privacy Policy for the specifics of what data those services collect.
Get in touch
Found a bug, have a tool you'd like to see added, or spotted something formatted incorrectly? Reach out at toolbench1@gmail.com.