Quick Start: Generate Barcode or QR Code
- Visit HeronTool Barcode Generator (条形码生成).
- Choose type: barcode (e.g., Code 128, EAN-13) or QR code.
- Enter data (text, URL, or numbers) and click "Generate".
- Preview and download as PNG or SVG, or copy directly.
Reading and Verification
- Use HeronTool Barcode Reader (条码读取) to upload an image and auto-detect content.
- Supports batch recognition for inventory or document management.
- If recognition fails, adjust image clarity or angle and retry.
Advanced Tips and Settings
- Set size, color, and error correction level (recommend M or H for QR) when generating.
- For large batches, use CSV import to generate multiple codes at once.
- Save in vector format (SVG) to ensure print clarity.
FAQ
Q: My generated barcode won't scan? Ensure sufficient contrast, avoid busy backgrounds, and test at different resolutions.
Q: How much data can a QR code hold? Up to about 3KB, but keep content concise for reliability.
Q: Which barcode types are supported? HeronTool supports UPC, EAN, Code 39/128, QR, and other major formats.
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