FREE SECURITY TOOLS

See what this browser gives away.

Free and instant, no signup. Both tools run here in your browser.

01Device Fingerprint

Your device fingerprint

The hidden ID a website builds from your GPU and CPU, with no cookie and no login. It survives incognito and a different browser on the same machine.

Open the full checker
device-fingerprint --scanSCANNING
Measuring your GPU and CPU…
02Reverse Engineering

WASM disassembler

Disassemble and inspect WebAssembly modules – exports, control flow and suspicious patterns – in the browser-based TrustSig Lab. Nothing you load leaves your machine.

Open the Lab
wasm-disasm – TrustSig LabSAMPLE OUTPUT
$ wasm-disasm --analyze --wat module.wasm TrustSig Lab────────────────────────────────────────── MODULEmagic 00 61 73 6d ;; validversion 01 00 00 00size 148.3 KBsections8 found EXPORTS_start func[0]malloc func[12]validate func[7] DISASM $validate_inputblock ;; label = @1local.get $ptri32.const 0i32.neif ;; label = @2local.get $ptrcall $strleni32.const 256i32.lt_ubr_if 1 (;@1;)endi32.const 1returnend ;; label = @1i32.const 0 ANALYSISfunctions 34 imports 6blocks 89 branches 41suspicious0 $ _
WHY TRUSTSIG

Invisible bot protection, built in the EU.

TrustSig reads the same hardware layer to tell people from bots, then scopes what it finds to one project. No challenge, no cookie, no id that travels.

Start freeHow it works

Already in production

Publishing platforms, fintech and national charities across Europe already run TrustSig on their forms.

PublitPrint-on-demand and digital book distribution for publishers.Publishing · SwedenLEI SystemOfficial Legal Entity Identifier registration agent.Fintech · EstoniaDisability Sport WalesNational charity for inclusive and disability sport.Charity · Wales
And many more across Europe
Case studyHow LEI System eliminated API abuse & form spamRead the case studyAPI abuse, eliminatedZero false positivesLive in five minutes