Plain JSON

Plain JSON is a simple, read-only viewer for structured data files. Open a file, browse its nested values, and see exactly what it contains without changing anything. BROWSE • Expand objects and arrays in a clear tree • See each value's key, type, and contents • Large collections load 200 entries at a time INSPECT • Switch between the original source and the selected value • See an exact path for every value • Numbers keep their original spelling and precision • Comments stay visible in the source view of JSONC files • Readable error messages show where a file went wrong SEARCH AND COPY • Search the displayed text • Copy any path or value PRIVATE BY DESIGN Your files stay on your device. Plain JSON never edits them, needs no account, and has no ads. FREE AND FULL ACCESS JSON files up to 20 MiB are free. You can also preview JSON Lines and JSON with Comments files for free. A one-time purchase unlocks those formats in full and removes the 20 MiB limit. There is no subscription, and your purchase stays with your Google account.

First release. Browse JSON, JSON Lines and JSONC files in a read-only tree, with search, exact paths and copying. JSON files up to 20 MiB are free; a one-time purchase unlocks the full app. Send feedback from the menu to report bugs or request features.