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Parsefy
JSON, CSV and Excel converters that never upload your data
Parsefy is a set of browser-only converters for JSON, CSV, Excel and markdown tables. Paste an API response or drop ajson file and get clean, spreadsheet-ready output — nested objects become dot-notation columns, and records with different keys merge into one header row instead of dropping fields. Nothing is uploaded. Everything runs in your own tab, so it's safe for production data and client exports. No account, no file-size limits, works offline.
Hi Product Hunt 👋
I build client-side web tools, and Parsefy started from a habit I kept catching myself in: pasting an API response into whatever "JSON to CSV" site ranked first on Google, without really knowing where that payload was going. Fine for dummy data. Not fine for a client's production export.
So Parsefy does the conversion entirely in your browser tab. No upload step, no server, no account. Once the page loads you can go offline and it still works — you can verify it in the network panel.
A few things I spent most of the time on:
Nested objects flatten into dot-notation columns (user.address.city), or you can split repeated arrays into related tables with a _parent_id link
Records with different keys merge into a union header instead of silently dropping fields
Output is RFC 4180 CSV, so Excel and Sheets read it correctly — and there's a real .xlsx export when encoding gets messy
There are also CSV→JSON, JSONL, TSV and markdown-table converters (that last one is for cleaning up AI chat output).
It's free and I'm not planning a paid tier. What I'd love feedback on: which format pair should I add next?
About Parsefy on Product Hunt
“JSON, CSV and Excel converters that never upload your data”
Parsefy was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #109 on the daily leaderboard. Parsefy is a set of browser-only converters for JSON, CSV, Excel and markdown tables. Paste an API response or drop ajson file and get clean, spreadsheet-ready output — nested objects become dot-notation columns, and records with different keys merge into one header row instead of dropping fields. Nothing is uploaded. Everything runs in your own tab, so it's safe for production data and client exports. No account, no file-size limits, works offline.
On the analytics side, Parsefy competes within Productivity, Developer Tools and Data — topics that collectively have 1.2M followers on Product Hunt. The dashboard above tracks how Parsefy performed against the three products that launched closest to it on the same day.
Who hunted Parsefy?
Parsefy was hunted by Bayu Prahasto. 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 Parsefy including community comment highlights and product details, visit the product overview.
Bayu Prahasto