OPFS Explorer icon

OPFS Explorer

FeaturedEstablished publisherManifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

A powerful DevTools extension to inspect, manage, and edit files in the Origin Private File System (OPFS)

Users
1,000
0 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
3
0 in 30 days
Store rank
#29K
#24K among extensions
Version
0.2.0
updated 1 Sep 2026

Users

monthly, 11 months
05001,000Nov 2025May 2026Oct 2026
Latest, 15 Oct 2026: 1,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 11 months
023Nov 2025May 2026Oct 2026
Latest, 15 Oct 2026: 3 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About OPFS Explorer

OPFS Explorer - The Missing DevTools Panel for Origin Private File System GitHub: https://github.com/hasanbayatme/opfs-explorer The Origin Private File System (OPFS) is a powerful browser API for high-performance file storage, but browsers don't provide any way to see what's inside. OPFS Explorer fills this gap by adding a dedicated panel to Chrome DevTools. WHAT'S NEW IN v0.2.0: • JSON Formatting - One-click "Format" button with configurable indentation and key sorting • On-Demand Directory Sizes - Calculate a folder's own size or its full recursive size, right from the context menu • Settings Panel - Configure JSON formatting and directory-size behavior • Duplicate & Collapse All - Duplicate any file/folder in place, or collapse the whole tree in one click SECURITY HIGHLIGHTS: • NO host permissions - doesn't access any websites • NO content scripts - no code injected into pages • ONLY permission: clipboard for "Copy Path" feature • Uses DevTools native inspectedWindow.eval() API KEY FEATURES: 📂 Visual File Tree - Browse directories with file sizes and type icons 📝 Code Editor - Syntax highlighting for JSON, JS, TS, HTML, CSS, and more 🧮 On-Demand Directory Sizes - Calculate a folder's own size or its full recursive size � JSON Formatting - One-click reformatting with configurable indentation and key sorting 🖼️ Image Preview - Zoom, rotate, and inspect images up to 5MB 📑 Markdown Support - Preview or edit .md files ✅ Multi-Selection - Ctrl+Click, Shift+Click, Ctrl+A with bulk delete/download 🖱️ Drag & Drop - Upload files or reorganize your file structure (multi-drag) ⚡ Full CRUD - Create, rename, duplicate, move, and delete files/folders ⬇️ Download Files - Export from OPFS to your local machine 📊 Storage Stats - Monitor your OPFS quota usage ⚙️ Settings Panel - Configure JSON formatting and directory-size behavior ⌨️ Keyboard Shortcuts - 20+ shortcuts with platform-aware hints in context menus 🌗 Theme Support - Adapts to DevTools light/dark themes ♿ Fully Accessible - WCAG 2.1 AA with screen reader, keyboard, and high contrast support PERFECT FOR: • SQLite Wasm applications (sql.js, wa-sqlite, sqlite-wasm) • Progressive Web Apps (PWAs) with offline storage • File System Access API projects • Browser-based IDEs and editors • Any app using navigator.storage.getDirectory() PRIVACY: • Runs entirely locally - no external connections • No data collection or telemetry • Minimal permission (clipboard only) • No content scripts or host permissions • Open source: github.com/hasanbayatme/opfs-explorer HOW TO USE: 1. Open any website using OPFS (https or localhost) 2. Open DevTools (F12) 3. Click the "OPFS Explorer" tab 4. Browse, edit, and manage your files!

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days0+0.0%00.00
6 months+645+181.7%+10.00

Version history

6 versions recorded
0.2.01 Sep 2026
0.1.36 Jul 2026
0.1.22 Mar 2026
0.1.126 Feb 2026
0.1.011 Feb 2026
0.0.427 Nov 2025

Details

Category
Developer Tools
First seen
27 Nov 2025
Size
425 KB
Languages
en
Pricing
Free
Privacy policy
github.com
Support
github.com
Extension ID
hhegfidnlemidclkkldeekjamkfcamic

Permissions and risk

Low riskimpact 1, likelihood 1
Permissions
devtoolsclipboardWrite

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