Skip to content
ForgePlug — Logo

Hi, I'm Vipul Singh

I built and maintain ForgePlug — a collection of free, browser-based tools I mostly built because I kept needing them myself and got tired of every existing option uploading my files somewhere to make me watch an ad first.

Vipul Singh

Software Developer, 10+ Years in IT

India

I'm a software developer with 10+ years of experience in the IT industry. Before focusing on ForgePlug, I worked as a freelance developer and also spent time doing technical training — so I've been on both sides of explaining how software works and actually building it.

The idea for ForgePlug started 2-3 years before I actually built it. I kept noticing the same pattern: whenever I needed something like a PDF tool, a quick mock API to test against, a salary calculator, or even something to plan a workout or diet, I'd end up visiting a different site for each one. Eventually it was obvious this wasn't just my problem — plenty of people run into the same scattered-tools frustration. So instead of bouncing between a dozen sites for a dozen small jobs, I decided to build them all into one place.

What ForgePlug is

Most “free online tools” sites are neither free in spirit nor private in practice — they upload your file to a server, wrap the result in a watermark or a login wall, or bury the actual useful feature behind a subscription you find out about after you've already committed to using their tool. That's the thing I set out to not do.

Every tool here is a self-contained web app that runs entirely in your browser. A JSON payload, a PDF contract, a health measurement, or a salary figure never has to travel anywhere to get processed — which is what makes the tools fast, free to run, and reasonable to trust with something you wouldn't want to hand to a random server.

Why it exists

I don't think a utility this small should require a sign-up, a subscription, or handing over data it doesn't actually need. The goal is a genuinely useful toolkit — plus the actual understanding behind it, not just the button — accessible to anyone, on any device, without asking anything of them first.

That's also why every major tool has real written content next to it, not filler. If you want the formulas, the assumptions, and the worked examples behind a specific tool, most of that lives directly on the tool's own page, and the deeper dives are in the Resources library.

How I think about it

Free, no strings attached

Every tool on this platform is free to use. No hidden charges, no premium tiers, no paywalls — just utilities that work for anyone.

Privacy by architecture

Your data never leaves your device. All processing happens in your browser, so nothing is sent to a server, logged, or stored. Privacy isn't a feature — it's the foundation.

Fast & lightweight

Built with modern web technologies for instant load times and minimal bandwidth. No bloat — just tools that work when you need them.

No accounts, no barriers

Open any tool and start using it immediately. No sign-up, no email, no data harvesting — the tool is the whole experience.

How I actually build these

Every tool starts as a real problem — mine, or something a user emailed me about. I build the smallest version that solves it completely, ship it, and then iterate on the details people actually notice once they're using it: clear errors, sensible defaults, keyboard support, print output that doesn't look broken, and a layout that works on a phone screen without pinching to zoom.

The rule that never changes is the privacy one. Tools process data locally in client-side JavaScript — no network request ever carries your content, results are instant because there's no round trip to a server, and the page keeps working offline once it's loaded. That architecture is also why there are no upload limits, no processing queues, and no cost to me per use: your device does the work, not mine.

I use analytics only to see which tools people actually use — aggregated and anonymized, never tied to anything you typed into a tool. What's collected is laid out plainly in the Privacy Policy.

Health and finance calculators state their formulas and assumptions right on the page, and the Disclaimer says it outright: these are estimation tools built from public formulas, not professional advice.

Where things stand right now

Recently shipped

  • Resume Builder & Cover Letter Builder (ATS-safe, PDF export)
  • Invoice Generator (templates, taxes, PDF download)
  • Nutrition Studio (meal plans, grocery lists, food replacement engine)
  • EMI Calculator, GST Calculator, Income Tax Calculator (11 countries)
  • Mock API Studio (fake REST APIs, GraphQL, OpenAPI)
  • Document to PDF Converter (EPUB, Markdown, HTML, images)
  • Health Metrics Studio, Body Fat Calculator, Sleep Calculator and more

In progress

  • More browser-based AI tools (no server calls, no API keys — the same privacy model as everything else)
  • New finance and health calculators requested by users
  • More educational resources that pair with the tools

This list stays honest on purpose — I ship a tool when it's actually ready, not before. The changelog has the real release notes.

Get in touch

I maintain ForgePlug myself. Found a bug, want a tool added, or spotted something wrong in a guide? I read every message that comes in through the contact form.