Site launch: privacy-first developer tools
vjyas.online is live with free, client-side JSON, JWT, YAML, formatters, encoders, and more — no signup and no server-side processing of your input.
Summary
vjyas.online is live. It is a collection of free developer tools that run entirely in your browser — no account, no backend that receives your payloads, and no storage of what you paste into a tool.
Why we built it
Most online formatters and decoders send your JSON, tokens, and configs to a server. That is a problem when you are working with production data, API keys, or customer information.
We built vjyas.online around one rule: your input stays on your device. Processing uses client-side libraries such as Web Crypto and Prettier.
What launched
| Category | Tools |
|---|---|
| JSON | Formatter, minifier, diff, CSV export, JSONPath tester |
| Security & encoding | JWT decoder, Base64, URL encoder, hash generator |
| Data formats | YAML ↔ JSON converter |
| Formatters | HTML, CSS, JavaScript (Prettier-powered) |
| Generators | UUID, password, QR code |
| Developer utilities | Regex tester, text diff, cron explainer, markdown preview, timestamp converter, word counter |
What is next
We are continuing to add high-traffic tools, shareable URLs, and optional privacy-friendly analytics to learn which pages are useful — never what you type into a tool.
Open the homepage and pick any tool. No account required.