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Most calculator sites are ad-farms that sell your data. We built the opposite. A privacy-first, open-source stack for Finance (Mortgage, Affordability, Debt Payoff) and Time (Business Days, Work Hours). Zero ads. Zero tracking. Instant client-side logic. Stop giving your financial data to lead-gen forms; just get the math you need and get back to work. Obviously, it's free.
Zero Bloat Calc StackFinancial & Time calculators without the ads, tracking, log.
Pratham Aggarwalleft a comment
"Hey All! I'm a developer who recently needed to calculate 'Business Days' for a sprint planning session. I clicked the top Google result and was bombarded with 3 video ads and a cookie consent form that covered the actual button. I realized that most utility sites haven't been updated since 2010. They are slow, ugly, and hostile to users. So I built this stack to fix that. The Stack includes:...
Zero Bloat Calc StackFinancial & Time calculators without the ads, tracking, log.
Pratham Aggarwalleft a comment
Hi everyone! I’m the dev behind Universal Converters. Honestly, I built this because I got paranoid. I needed to merge some tax documents last month, and the idea of uploading them to a 'free' server just didn't sit right with me. I realized that for 99% of PDF tasks, we shouldn't need a server at all. So, I decided to see if I could build a suite that runs entirely in the browser using...
Universal Converters 2.0 (PDF & Privacy)Fast, private PDF tools — powered by WASM
Most PDF tools require you to upload your sensitive files to a random server. We built a privacy-first alternative.
Universal Converters uses WebAssembly to process your documents directly in your browser.
Zero Uploads: Your files never leave your device.
Zen Mode: A distraction-free interface for deep work.
No Limits: Merge, Rotate, and Convert as many files as you want.
Also features 50+ engineering calculators for Unit, Weight, and Data conversions.
Universal Converters 2.0 (PDF & Privacy)Fast, private PDF tools — powered by WASM