This product was not featured by Product Hunt yet. It will not be visible on their landing page and won't be ranked (cannot win product of the day regardless of upvotes).
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 ❤️
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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 #157 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.
Blockema was featured in Productivity (663.7k followers), Spreadsheets (9.9k followers) and No-Code (6.1k followers) on Product Hunt. Together, these topics include over 178.1k products, making this a competitive space to launch in.
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.
Want to see how Blockema stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
Lluís Galindo Vandrell