Construction Calculator
Estimate cement, sand, bricks, paint and steel quantities for any building job in seconds.
Open toolNo sign-ups, no bloated dashboards, no hunting through menus. Pick a tool, get your answer, get back to work — construction estimates, invoices, PDFs, images and more.
Each one lives on its own address and opens straight to work — no home screen to click through first.
Estimate cement, sand, bricks, paint and steel quantities for any building job in seconds.
Open toolA distraction-free tap counter for laps, reps, inventory, prayer counts and crowd tallies.
Open toolCreate clean, itemised invoices with tax and totals, ready to download as a PDF.
Open toolCrop and format passport and visa photos to the exact size each country requires.
Open toolBreak down gross pay, deductions and take-home salary for hourly or monthly wages.
Open toolMerge, split, compress and convert PDF files directly in your browser.
Open toolResize, compress and convert images to the exact pixel dimensions and file size you need.
Open toolOpen a tool and start using it immediately. Nothing to register, verify or remember a password for.
Every tool has its own dedicated site, so bookmarks and shortcuts always take you straight to the right place.
Each tool exists because a specific, repeatable task needed a faster answer than a spreadsheet or a search.
Tools are maintained and improved based on how people actually use them — suggestions are always welcome.
Yes. Every tool listed here is free to use, with no account or sign-up required to get started.
No. Each tool runs at its own address in your browser, so there is nothing to download or install on your computer or phone.
Each tool is built to handle only the task it's designed for. See the Privacy Policy for details on what, if anything, is stored.
Yes, and it's welcome. Send a note to support@praveshsinghal.com with what you'd find useful and it will be considered for a future addition.
This collection grows based on what people actually need. Tell us what would save you time.
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