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600+ free online calculators — no signup, no fees
Submit your own product to reach creators and founders looking for the next tool to try.
AI image translator that converts text in photos and scans into 60+ languages while preserving layout.
Sherlock Search is a reverse face search that compares your photo to images linked to public web pages and returns possible matches with source links for review.
A date-safety scan for TeaOnHer that finds posts about you and delivers a verified report in 24 hours.
Compare cheap flights from 500+ airlines and agencies, book on the provider’s site, and earn cashback you can withdraw after your trip.
Free word art generator that turns text into shapes and fills them with your own words. 390+ templates or your own image, three fill styles, palettes, gradients, and exports up to 4K PNG, cut-ready SVG, or animated MP4/GIF. Free, no account, in-browser.
Free fullscreen color screen tool. 12 colors, in-browser monitor/dead-pixel tests, 4K/8K wallpaper downloads, white-background editor, 11 languages, PWA, no ads and no sign-up. Great for cleaning monitors, lighting video calls, tracing art, and focus work.
Calcboxer is a free browser-based collection of more than 600 online calculators that help you quickly crunch the numbers that matter in everyday life and business. It lets you calculate loan payments and interest, mortgage amortization and total borrowing costs, car ownership costs and fuel consumption, BMI and daily calorie needs, as well as solar panel savings and CO₂ emissions. Every calculator is fully usable without creating an account or paying any fees – just open the site, choose a category and enter your data to get a clear result instantly. Calcboxer is organized into clear categories (finance, motoring, health, sustainability and more), so you can quickly find the tool you need without digging through menus. All calculators show not only the result, but also the key inputs that drive the calculation, making it easier to understand the logic behind the numbers. The app is lightweight, mobile-friendly and designed to run in any modern browser, so you can use it at your desk or on the go. Calcboxer is continuously improved and new calculators are added on a regular basis, based on what users actually need. The goal is to be a growing toolkit for everyday decisions – from comparing loan offers and estimating total cost of car ownership, through tracking your health metrics, to exploring the impact of solar panels and CO₂ savings over time.
