Readable JSON Viewer

Readable JSON Viewer transforms raw JSON responses into a clean, code-editor-like tree view directly in your browser tab.

As of June 2026, Readable JSON Viewer has 8 users and a 5.00/5 rating from 1 reviews in the Developer Tools category.

Developer Tools

Chrome Web Store ↗.crx

Users+60.0%

Rating0%

5.00

1 reviews

Reviews0%

Version

1.0.2

Manifest V3

90-day change · In the last 90 days this extension 1 version update.

History

6 snapshots

Tracking since Apr 16, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 16, 2026	5	—	—	1.0.1
Apr 24, 2026	7	5.00	1	1.0.2
May 7, 2026	8	5.00	1	1.0.2
May 12, 2026	7	5.00	1	1.0.2
May 18, 2026	8	5.00	1	1.0.2
Jun 6, 2026	9	5.00	1	1.0.2
Now	8	5.00	1	1.0.2

Permissions & access

Permissions: storage
Host access: None declared

Screenshots

About

Whether you're working with REST APIs, inspecting local files, or debugging backend responses, this extension makes JSON instantly readable — even with files containing thousands of lines.

Features:
⚡ Zero configuration — Works automatically on any URL that returns JSON, whether detected by content type or .json file extension.
🌲 Collapsible tree view — Click any object or array to fold or unfold it. Collapse everything at once with a single click or Cmd/Ctrl+X.
🎨 Syntax highlighting — Keys, strings, numbers, booleans, and null values are color-coded for faster scanning.
🔢 Smart line numbers — Line numbers stay in sync when nodes are collapsed, always reflecting the original JSON structure.
🔍 In-page search — Press Cmd/Ctrl+F to open the search bar. Navigate matches with the arrow keys or Enter/Shift+Enter.
🌗 Light & dark themes — Automatically follows your system preference, with a manual toggle available anytime.
📋 One-click copy — Copy the full formatted JSON to your clipboard with one click. Also available via Cmd/Ctrl+C when no text is selected.
🚀 Fast & lightweight — Handles even the largest JSON files with thousands of lines without slowing down.