> codebench_
Zero Backend. Zero Data Collection. Fully Client-Side.
Why codebench?
- Your JSON payloads pass through someone else's server.
- Your SQL queries get logged by third-party tools.
- Your API keys are exposed during online formatting.
codebench runs 100% in your browser. Nothing leaves.
0+Tools
0Servers
0Data Uploaded
< 200msExecution
Security by Architecture
| Aspect | Typical Tools | codebench |
|---|---|---|
| Server-side processing | Yes | ✓No — runs in browser |
| Data storage risk | Possible | ✓None — nothing stored |
| Request logging | Common | ✓No requests made |
| Network transmission | Required | ✓Zero — offline capable |
| Deployment | Cloud servers | ✓Static CDN only |
In-browser developer tools that respect your privacy. No server-side processing — your data stays on your device.
Safe to use with
- ✓API keys & secrets
- ✓Internal SQL queries
- ✓Sensitive JSON payloads
- ✓Production config files
- ✓Private environment variables
Because there is no server — there is no risk.
81+ Developer Tools — Fully Local
Client-side JSON formatter, online SQL validator no upload, privacy-first code tools — all browser-based developer utilities.
How it works
1PasteDrop your code
→2ExecuteProcessed in your browser
→3ResultsInstant output, zero upload
WebAssembly poweredOffline capable
Verify It Yourself
$ Open DevTools → Network tab$ Run any tool$ See: 0 upload requests“Security is not a claim. It is enforced by architecture.”
Our Promise
- 100% Client-Side
- Zero Backend
- Zero Data Collection
- Your Data Never Leaves Your Browser