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csvdiff.app
Compare CSV files. Right in your browser
Free browser-based CSV toolkit: diff two CSVs side by side, open a single file in a fast viewer, and clean it up with color rules, fill blanks, bulk replace, and column formats. 100% client-side — your data never leaves the tab.
I built csvdiff.app because I kept doing the same dumb dance: export two CSVs, open both in Excel, squint at them side by side, and inevitably miss the one row that changed.
Existing diff tools treat CSVs like text files — so a reordered column or an extra quote mark lights up the whole file as "changed" when nothing meaningful did. I wanted something that actually understands tabular data: match rows by key, show me what was added, removed, or modified, and ignore the noise.
It grew a bit beyond diffing — you can filter, sort, and poke around your data right in the browser. Everything runs client-side. Your files never leave your machine, no upload, no account, no telemetry. That was non-negotiable since I use this with work data myself.
It's free. Would love to hear what's missing — especially if you work with exports from tools that produce cursed CSVs. I've seen some things, but I'm sure you've seen worse.
About csvdiff.app on Product Hunt
“Compare CSV files. Right in your browser”
csvdiff.app was submitted on Product Hunt and earned 9 upvotes and 2 comments, placing #104 on the daily leaderboard. Free browser-based CSV toolkit: diff two CSVs side by side, open a single file in a fast viewer, and clean it up with color rules, fill blanks, bulk replace, and column formats. 100% client-side — your data never leaves the tab.
On the analytics side, csvdiff.app competes within Software Engineering, Artificial Intelligence and Tech — topics that collectively have 1.1M followers on Product Hunt. The dashboard above tracks how csvdiff.app performed against the three products that launched closest to it on the same day.
Who hunted csvdiff.app?
csvdiff.app was hunted by Omer Farooq. 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 csvdiff.app including community comment highlights and product details, visit the product overview.
Omer Farooq
Hey Product Hunt 👋
I built csvdiff.app because I kept doing the same dumb dance: export two CSVs, open both in Excel, squint at them side by side, and inevitably miss the one row that changed.
Existing diff tools treat CSVs like text files — so a reordered column or an extra quote mark lights up the whole file as "changed" when nothing meaningful did. I wanted something that actually understands tabular data: match rows by key, show me what was added, removed, or modified, and ignore the noise.
It grew a bit beyond diffing — you can filter, sort, and poke around your data right in the browser. Everything runs client-side. Your files never leave your machine, no upload, no account, no telemetry. That was non-negotiable since I use this with work data myself.
It's free. Would love to hear what's missing — especially if you work with exports from tools that produce cursed CSVs. I've seen some things, but I'm sure you've seen worse.