Frequently Asked Questions
Find answers to common questions about OnlyBarcode — supported barcode and QR code formats, batch generation, printing and data privacy. If your question is not answered here, please contact us.
Is OnlyBarcode free to use?
Yes, OnlyBarcode is completely free to use. We provide all features including barcode generation, QR code creation, scanning recognition, etc., without any cost.
What languages are supported?
Currently supports Chinese and English. You can switch languages in the top right corner of the page.
What file formats are supported?
Generation supports PNG, JPEG, WebP or batch PDF formats, scanning supports JPG, PNG, WEBP, GIF and other common image formats.
Does it support batch processing?
Yes, supports batch generation of barcodes and QR codes, can process multiple lines of text, and generate multiple barcodes at once.
Can generated barcodes be used commercially?
Generated barcodes can be used commercially for free, but please ensure you have the legal right to use the relevant barcode standards.
What browsers are supported?
Supports all modern browsers: Chrome, Firefox, Safari, Edge, etc. Requires JavaScript support.
How is my data security?
We take user privacy and data security very seriously. All processing is done locally in your browser, and data is not uploaded to our servers.
How to get technical support?
You can send an email through the contact page, or check the tutorial page for detailed operation guides.
Still have questions?
If your question is not answered here, please feel free to contact us. We're happy to help.
Contact UsQuick Start Guide
- 1. Choose barcode type and enter content
- 2. Adjust settings and generate barcode
- 3. Download or copy the result
Key Features
- Multiple barcode formats supported
- Batch processing capability
- Free to use, no registration required