Miễn phí Mã vạch Trình đọc — Scan Codes From Any Hình ảnh
Drop a photo of a barcode, QR code, EAN product code or PDF417 and the reader decodes it using Chrome's built-in Mã vạchDetector engine — the same one your phone uses natively. Everything stays on your device; ideal for scanning receipts, packages and product labels from saved images.
🔒 Riêng tư 100% — runs in your browser, nothing is uploadedHow to Use This Mã vạch Trình đọc (Step-by-Step)
- Tải lên an image — JPG or PNG of the barcode/QR code.
- Automatic decode — The native detector finds and reads the code.
- Sao chép the payload — Mã vạch text, URL or product number appears ready to copy.
How the Native Decoder Works — Under the Hood
Mã vạchDetector is a browser-implemented ZXing-class engine running in a separate process — often with hardware acceleration. It binarizes the image, locates finder patterns (QR) or bar-space profiles (1D), then applies error correction (Reed-Solomon) to recover the payload even from partial damage.
Frequently Asked Questions
Which browsers support this?
Chrome, Edge and Android WebView have Mã vạchDetector; Firefox/Safari fall back to QR-only detection.
Can it read barcodes from screenshots?
Yes — any image where the code is sharp enough.
Does it upload my images?
Never. Decoding happens entirely on-device.
Related Miễn phí Công cụ
Quick Summary
Mã vạch Trình đọc — 100% Miễn phí, Không cần đăng ký is a practical NexVaani tool for completing this task quickly in your browser. Scan barcodes and QR codes from any image instantly using the browser's native decoder — no uploads, no ads. Use the tool, review the result, and continue with a related NexVaani tool when your workflow needs another step.