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Pandia
Open multi-gigabyte JSON instantly — native, offline, free
Pandia is a fast, native JSON viewer & editor for macOS, Windows and Linux. It opens multi-gigabyte files instantly (no upload, no size limit), shows JSON five ways — Tree, Code, Grid, Graph, Compare — and generates types for 9 languages. Offline, private, free, open source.
Hi PH 👋 I built Pandia because every JSON tool I tried either lagged on large files or wanted me to paste sensitive data into a website. Pandia is a native app (Rust + Tauri) that streams the file with zero-copy slicing — so a multi-GB JSON opens instantly, nothing is uploaded, and you get five views, type generation for 9 languages, diff, validate, repair and convert in one place.
Free and open source (Apache-2.0). Happy to answer anything about the app!
Pandia was submitted on Product Hunt and earned 7 upvotes and 3 comments, placing #157 on the daily leaderboard. Pandia is a fast, native JSON viewer & editor for macOS, Windows and Linux. It opens multi-gigabyte files instantly (no upload, no size limit), shows JSON five ways — Tree, Code, Grid, Graph, Compare — and generates types for 9 languages. Offline, private, free, open source.
On the analytics side, Pandia competes within Productivity, Open Source and Developer Tools — topics that collectively have 1.2M followers on Product Hunt. The dashboard above tracks how Pandia performed against the three products that launched closest to it on the same day.
Who hunted Pandia?
Pandia was hunted by Josiah Owolabi. 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 Pandia including community comment highlights and product details, visit the product overview.
Josiah Owolabi