
JSON Formatter & Validator
bitwarden
FreeFormatter
JSONFormatter.org
JSONLint
Password-Generator.xyz
XML
Free, browser-based developer tools, built one focused product at a time.

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Website, pricing, platforms and company facts side by side.
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| Website | syntrok.org | f6s.com |
| Pricing | — | |
| Company | Startup from Sri Lanka · 1 - 9 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Syntrok Hub is a free, growing collection of browser-based developer tools — no sign-up, no data ever leaves your browser. Includes JSON, XML, and YAML formatting, validation, and conversion; a password generator with breach checking; a QR code generator (text/URL, Wi-Fi, contact card); Base64...
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What each product offers, as listed by its team.


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As answered by people managing Syntrok Tools and CommitCat.
Syntrok Tools's answer
Syntrok Hub doesn't have named customers — every tool works anonymously with no accounts, by design, so there's no usage data tied to any individual or company.
Syntrok Tools's answer
Every tool runs 100% client-side — nothing typed or generated is ever uploaded to a server, and there's no sign-up for any of them. Rather than one bloated all-in-one app, it's a growing set of small, focused tools, each built to do one job well.
Syntrok Tools's answer
Most free tool sites are ad-heavy, require an account, or quietly send your input to a server. Syntrok's tools process everything locally in the browser, load fast, and don't ask for anything in return — no email, no account, no usage limits.
Syntrok Tools's answer
Developers and technical users who need fast, reliable utilities for everyday tasks — formatting and converting data formats, generating secure passwords, creating QR codes, computing hashes — without installing anything or trusting a third party with potentially sensitive input.
Syntrok Tools's answer
It started as a single JSON formatter and grew from there — each new tool got added because it solved a genuinely common task and deserved a fast, private, no-nonsense version. It's built and maintained by Syntrok Technologies, a small software studio.
Syntrok Tools's answer
Astro, TypeScript, and Tailwind CSS, with each tool's core logic built on native browser APIs — the Web Crypto API for password generation and hashing — so nothing needs a backend or third-party service to run.
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