The JSON viewer
built for Mac.
A real native Mac app — not a browser tab. Pandia opens, edits and explores JSON on Apple Silicon and Intel, handles multi-gigabyte files without freezing, and keeps every byte on your machine.
Apple Silicon & Intel · macOS 10.15+ · Offline · Apache-2.0
A real Mac app, not a browser tab
Most “JSON viewers” are websites — you paste your data into a tab and hope it doesn’t hang.
Pandia is a native desktop application built with Rust + Tauri: it installs as a
normal .dmg, launches in a blink, follows your system dark/light theme, and runs
natively on both Apple Silicon (arm64) and Intel (x64) — no Rosetta, no
Electron bloat.
What you get
Five views
Tree, Code, Grid, Graph and Compare — switch with ⌘1–⌘4.
Type generation
TypeScript, Swift-friendly JSON Schema, Rust, Go, Python and more.
Large files
Multi-GB JSON opens instantly — no cap on opening or viewing.
Fully offline
No upload, no accounts, no telemetry. Your data stays local.
Install on macOS
- Download the Apple Silicon
.dmg(M-series) or the Intel.dmg. - Open the disk image and drag Pandia into your Applications folder.
- Launch it, then drag any JSON file onto the window — or open it from ⌘O.
Full steps, including the first-launch Gatekeeper prompt, are in the installation guide.
Frequently asked questions
Is there a native Apple Silicon (M1/M2/M3/M4) build?
Yes. Pandia ships a native arm64 build for Apple Silicon and a separate x64 build for Intel Macs, both as signed .dmg downloads — so it runs natively without Rosetta on modern Macs.
Which macOS versions are supported?
macOS 10.15 (Catalina) and later. Pandia follows your system appearance, switching between dark and light automatically.
Is the Mac JSON viewer free?
Yes — Pandia is completely free and open source under Apache-2.0. There are no paid tiers, accounts or telemetry.
Can it open large JSON files on a Mac?
Yes. There is no size cap on opening or viewing — Pandia streams multi-gigabyte files and only loads the slice on screen, so they open instantly instead of freezing the app.
Stop fighting your JSON.
Download the native app, open your biggest file, and get to work. Free, offline, and open source.