📷 Free Online Barcode Generator
Create scannable barcodes instantly! This free tool generates barcodes in multiple formats including CODE128, EAN-13, UPC-A, and QR codes. Perfect for inventory management, product labeling, and business applications.
Create Your Barcode
How Barcodes Work
Barcode Generation Formula: Encoding Scheme + Data Input + Checksum Calculation + Visual Representation
Benefits & Limitations
✅ Advantages: Cost-effective solution for small businesses • Instant generation without software • Multiple format support • Mobile-friendly design • No technical skills required • Direct PNG downloads • Client-side privacy protection • Cross-browser compatibility • Commercial usage rights • Automatic checksum calculation
❌ Disadvantages: Limited to basic barcode types • Maximum 500px resolution • No batch processing • Requires internet connection • Basic customization options • No historical records • Dependent on browser security • Limited to alphanumeric input • No advanced error correction • Manual quality verification needed
FAQ
Is this barcode generator completely free?
Yes, 100% free with no hidden costs. Generate unlimited barcodes for personal and commercial use without watermarks. We maintain the tool through ethical ads and donations.
What barcode formats are supported?
Supports 4 major formats: CODE128 (general purpose), EAN-13 (retail products), UPC-A (US products), and QR Codes (website links). Automatic format validation ensures scannable outputs.
How to download high-quality barcodes?
After generation, click "Download PNG" to get 300dpi resolution image. The PNG file maintains scan reliability for printing. For vector formats, right-click the SVG and "Save As".
Can I use these barcodes commercially?
Yes, all generated barcodes are royalty-free. Ensure data accuracy and test scannability before mass production. For GS1 compliance, purchase official UPC/EAN numbers.
Why is my barcode not scanning?
Common issues: Invalid character input • Low contrast colors • Insquietent quiet zones • Damaged image • Incorrect format selection. Always test physical prints before deployment.
Is my data stored?
No data storage or tracking. Generation happens locally in your browser. We use no cookies or analytics. Your information never leaves your device.