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Blockema
Find and fix spreadsheet errors without writing formulas
Duplicate invoices, invalid IBANs, repeated customer emails: Blockema finds them in your Excel or CSV in seconds, before they cost you money. Drop in a file and it suggests rules for every column. Add your own by dragging blocks (no formulas), including rules that compare rows or depend on another column. Jump to each error, fix it and download the corrected file with its formatting intact. Runs in your browser, so your file never leaves your computer. Same rules, same result, every time.
Still checking spreadsheets row by row?
We've launched Blockema today!
It finds and fixes the errors in your Excel and CSV files before they cost you money: duplicate invoices, invalid IBANs, repeated emails. No formulas, no code.
What else it can do:
- Suggests rules for every column as soon as you drop a file in
- Lets you build your own rules by dragging blocks, even across columns
- Takes you straight to each error and gives you back the fixed file, formatting intact
- Runs in your browser, so your file never leaves your computer
- Applies the same rules every month, so the same file always gives the same result
Try it now with no sign-up.
What file do you still check by hand? I'd love to hear it ❤️
About Blockema on Product Hunt
“Find and fix spreadsheet errors without writing formulas”
Blockema was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #147 on the daily leaderboard. Duplicate invoices, invalid IBANs, repeated customer emails: Blockema finds them in your Excel or CSV in seconds, before they cost you money. Drop in a file and it suggests rules for every column. Add your own by dragging blocks (no formulas), including rules that compare rows or depend on another column. Jump to each error, fix it and download the corrected file with its formatting intact. Runs in your browser, so your file never leaves your computer. Same rules, same result, every time.
On the analytics side, Blockema competes within Productivity, Spreadsheets and No-Code — topics that collectively have 679.6k followers on Product Hunt. The dashboard above tracks how Blockema performed against the three products that launched closest to it on the same day.
Who hunted Blockema?
Blockema was hunted by Lluís Galindo Vandrell. 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 Blockema including community comment highlights and product details, visit the product overview.
Lluís Galindo Vandrell