Overlayqr Chrome extension icon

Overlayqr

📦 v1.0.0
💾 424KiB
📅 2026-02-23
View on Chrome Web Store

Chrome will indicate if you already have this installed.

Overview

HoverQR is the ultimate QR code and barcode toolkit for Chrome. Decode, generate, and share QR codes without ever leaving your browser.

🔍 DECODE INSTANTLY
• Hover over any image containing a QR code or barcode — decoded text appears automatically
• Supports QR codes, EAN-13, EAN-8, UPC-A, UPC-E, Code 128, Code 39, ITF, and more
• Drag & drop or upload images to decode in the sidebar
• Paste images directly from your clipboard (Ctrl+V)
• Area Snap mode — select any region of a page to decode hidden QR codes (Alt+Shift+S)

⚡ GENERATE QR CODES
• Type any text, URL, or content → instant QR code generation
• Advanced customization: foreground & background colors, padding, error correction level (L/M/Q/H)
• Download as PNG or SVG
• Copy QR image to clipboard with one click

🔗 HOVER & SELECT
• Hover any link — see a QR code tooltip instantly (Pro)
• Select text on any page — floating QR button appears for quick encoding (Pro)
• Right-click context menu: "Encode as QR" / "Decode QR" on any image or text (Pro)

📋 HISTORY
• Every decoded and generated QR code is saved to your local history
• Separate tabs for Decoded and Generated items
• Thumbnail previews for generated QR codes
• Re-edit any generated QR: change colors, padding, and error correction, then re-download
• Copy decoded text instantly

🎨 CUSTOMIZATION
• Dark & light theme with one-click toggle
• Adjustable hover tooltip delay
• Toggle individual features on/off (hover decode, link QR, selection QR)
• QR color picker for foreground and background
• Error correction level selector (7% to 30% redundancy)

🔒 PRIVACY FIRST
• All processing happens locally in your browser — no images are uploaded to any server
• QR history is stored locally using chrome.storage
• No tracking, no analytics, no third-party data sharing

─────────────────────────

FREE features:
✓ Decode QR codes & barcodes from images
✓ Generate basic QR codes
✓ Sidebar QR generator & decoder
✓ Area Snap decode mode
✓ Clipboard paste to decode
✓ SVG & PNG export
✓ Dark/light theme
✓ Local history (view & store)

PRO features ($9 one-time):
✓ Hover link → QR tooltip
✓ Text selection → QR button
✓ Context menu actions
✓ View & copy full history text
✓ Re-edit generated QR codes
✓ Custom QR colors & error correction
✓ Priority support

─────────────────────────

💡 Perfect for:
• Developers testing QR code integrations
• Marketers who need to verify QR codes on web pages
• Students sharing links quickly across devices
• Anyone who encounters QR codes online and needs to read them fast

🛠 Built with modern web technologies:
• Manifest V3 — secure, performant, future-proof
• jsQR + ZXing multi-format reader for maximum decode accuracy
• React-powered sidebar with instant response times

Questions or feedback? Visit https://hoverqr.codingfrontend.in

Tags

Productivity/tools developer productivity/tools

Privacy Practices

Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes

🔐 Security Analysis

This extension hasn't been security-scanned yet.

Similar Extensions

More in Productivity/tools →
Easy-to-use PDF tools to view, edit, convert, fill, e-sign PDF files, and more in your browser.
Productivity/tools AI

Zotero Connector

7M+ users
Save references to Zotero from your web browser
Productivity/tools
Browsec VPN is a Chrome VPN extension that protects your IP from Internet threats and lets you browse privately for free…
Productivity/tools