Dangtu - Advanced QR Code Generator

A free QR code generator and scanner. Create custom QR codes with colors, logos, sizing, and batch export. All data stays local.

# Dangtu - Advanced QR Code Generator ## Short description Free QR code generator and scanner for URLs and text. Custom styles, logos, batch creation, offline image scanning, HD export, and barcode scanner. ## Full description Dangtu is a fast, flexible QR code generator (QR Code Maker) and QR image scanner built for everyday sharing, ecommerce, campaigns, menus, posters, and branded materials. It also serves as a reliable offline QR code creator and barcode scanner for your browser. Turn the current page, any URL, or plain text into a QR code in seconds. Customize its appearance, save reusable styles, create an entire batch (bulk QR code generator), or upload local images to extract QR code links. Core generation and scanning happen locally and offline in your browser, with no account required. ### Key features **Create QR codes instantly** - Enter a URL or text and see the QR code update live. - Click the extension to generate a QR code for the current page. - Detect clipboard text or URLs locally when the extension opens, then generate after confirmation. - Open the full generator from the context menu or browser side panel. - Copy or download a page QR code in a few clicks. **Customize every detail** - Choose custom dot and background colors. - Pick from multiple dot, corner-square, and corner-dot patterns. - Add a logo and control its size and margin. - Set custom output dimensions and aspect ratio. - Export as PNG, JPEG, SVG, or WEBP in HD quality. **Generate QR codes in batches (Bulk Generator)** - Add one URL per line to build a batch list. - Use “URL | filename” to name each QR code. - Apply one size, format, and style across the batch. - Download all generated files together as a ZIP archive. **Scan QR codes from images** - QR Code Reader: Upload screenshots or local images containing QR codes. - Paste screenshots manually with Ctrl+V, or detect clipboard QR images when the extension opens. - Select multiple image files at once to extract QR code from image. - View, copy, or open recognized links and text. - Image scanning is performed securely offline. **Save reusable QR styles** - Save colors, patterns, logos, and output dimensions together. - Rename, update, apply, or delete saved styles. - Keep up to 100 QR code styles. - Set any saved style as the popup default. ### Privacy QR code generation, image scanning, and clipboard detection are performed locally and offline in your browser. Dangtu does not upload the URLs, text, or images you enter, paste, or copy, and no account is required. Install Dangtu to create, customize, batch-generate, and scan QR codes from one streamlined browser tool.