JSON on your phone, explained
Guides for the moment a .json file lands on your Android phone — written by the developer of Sonnet. Where another app or a computer is the better tool, the guide says so.
Opening JSON
- What is a JSON file?What’s inside one, where they come from, whether they’re safe, and how to open one.
- How to open a JSON file on AndroidViewer apps, code editors and online formatters compared.
- Open a JSON file from WhatsApp, Telegram or emailAttachments, “no app can open this file”, and where downloads end up.
- How to open a large JSON file on AndroidWhat works at 2 MB, 20 MB, and 2 GB — and when to use a computer instead.
Formatting, editing and fixing
- How to format or minify JSON on AndroidTurn one unreadable line into indented JSON, or squeeze it back onto one line.
- How to edit a JSON file on AndroidChange values, add and delete fields, and save without breaking the file.
- Invalid JSON: what the error means and how to fix itThe nine mistakes behind almost every “Unexpected token” and “Expecting property name”.
- Edit a Minecraft manifest.json on AndroidWhat every field does, which UUIDs to change, and why the game won’t show your pack.
Reading your data downloads
- Read your Instagram data download on your phoneRequesting it, JSON or HTML, unzipping it, and what the odd timestamps mean.
- Read your Discord data package on AndroidWhich folders matter, where your messages are, and which files to skip.
- Read your Spotify streaming history on AndroidWhich export to request, which files hold your plays, and what each entry means.
Comparisons
Sonnet: JSON viewer & editor
Open any JSON file as a collapsible tree, edit it with a tap, format or minify it. Works offline, no ads, no account.