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OToolbox
Free browser-based tools - no uploads, no signups, no limits
A collection of free web tools that process everything locally in your browser. No file uploads, no signups, no daily limits. Includes an image resizer with social media presets, background remover (local AI), URL shortener with analytics, JSON/XML/CSS formatters, PDF converters, and more. Your files never touch a server. Available in 6 languages. Available in 6 languages. Built with Next.js and deployed on Vercel's edge network for instant load times worldwide.
Hey 👋 Maker here.
Quick context on what this is: OToolbox is a set of browser-based utilities where all processing happens on your device. Nothing gets uploaded anywhere.
The technical choice behind it is simple — most of these operations (resizing images, formatting JSON, generating PDFs) don't actually need a server. Your browser can handle them natively. So why send your files to someone else's computer?
So I made a set of tools where everything runs in your browser. Your files never leave your device. There's no backend processing your images or reading your JSON, it's all JavaScript running locally.
Some highlights:
- Image Resizer with presets for every social platform (Instagram, Facebook, YouTube, etc.)
- Background Remover that runs an AI model directly on your device
- URL Shortener with custom aliases, UTM builder, A/B testing, and expiration
- JSON/XML/SQL/CSS formatters for devs
- PDF tools (text-to-pdf, images-to-pdf, word-to-pdf)
It's free, no signup required, and I have no plans to add a paywall. I fund it through minimal, non-intrusive ads.
Would love to hear what tools you'd like to see added next — I'm actively building based on user suggestions. Happy to answer any questions about the tech stack too (Next.js 14, Vercel Edge, client-side WASM for the AI model).
Thanks for checking it out! 🙏
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About OToolbox on Product Hunt
“Free browser-based tools - no uploads, no signups, no limits”
OToolbox was submitted on Product Hunt and earned 4 upvotes and 1 comments, placing #151 on the daily leaderboard. A collection of free web tools that process everything locally in your browser. No file uploads, no signups, no daily limits. Includes an image resizer with social media presets, background remover (local AI), URL shortener with analytics, JSON/XML/CSS formatters, PDF converters, and more. Your files never touch a server. Available in 6 languages. Available in 6 languages. Built with Next.js and deployed on Vercel's edge network for instant load times worldwide.
OToolbox was featured in Design Tools (260.6k followers), Productivity (653.5k followers) and Developer Tools (513.8k followers) on Product Hunt. Together, these topics include over 248.3k products, making this a competitive space to launch in.
Who hunted OToolbox?
OToolbox was hunted by Jose Orgueira. 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.
Want to see how OToolbox stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
Jose Orgueira