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Tooltri
20+ free tools that never leave your browser
Free online tools including SIP calculator, EMI calculator, JSON formatter, Base64 encoder, JWT decoder, password generator and more. No sign-up required. Fast, private and browser-based.
I'm Parimal, a solo developer, and I built Tooltri because I was tired of opening five different sites (and closing five popup ads) just to format some JSON or calculate an EMI.
Everything on Tooltri runs entirely in your browser - no sign-up, no server-side processing, no data logging. Your financial figures, passwords, and code never leave your device.
Right now it includes:
- Developer tools: JSON formatter, JWT decoder, UUID generator, hash generator, Base64/URL encoders, token counter, and more
- Financial tools: SIP, EMI, ROI, SWP calculators, and an India income tax calculator (New vs Old regime comparison)
I built the entire stack myself - Next.js frontend, Laravel backend (for the contact form) - and I'm actively adding new tools based on feedback.
Would love to hear which tool you find most useful, and what you'd want added next!!!
About Tooltri on Product Hunt
“20+ free tools that never leave your browser”
Tooltri was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #160 on the daily leaderboard. Free online tools including SIP calculator, EMI calculator, JSON formatter, Base64 encoder, JWT decoder, password generator and more. No sign-up required. Fast, private and browser-based.
On the analytics side, Tooltri competes within Productivity, Developer Tools and Finance — topics that collectively have 1.2M followers on Product Hunt. The dashboard above tracks how Tooltri performed against the three products that launched closest to it on the same day.
Who hunted Tooltri?
Tooltri was hunted by Parimal Nakrani. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Tooltri including community comment highlights and product details, visit the product overview.
Parimal Nakrani