Barcode Generator Offline - Barcode Studio

Offline barcode generator & scanner. Custom designer for 1D and 2D codes, bulk export, and label printing. 100% private.

Generate, design, bulk-export, and print professional barcodes and QR codes directly in your browser. Barcode Studio is an offline barcode creation and scanning suite for businesses, retail stores, inventory managers, warehouses, libraries, and developers. Generate individual barcodes, create batches from your data, design printable labels, scan barcodes and QR codes, and export your results locally without sending barcode data to an external server. ================================================== KEY FEATURES ================================================== Offline & Local Processing: - Core barcode generation, rendering, and batch processing run locally in your browser. - No account or internet connection is required for core functionality. - Barcode data is processed locally by the extension. Visual Barcode Designer: - Customize dimensions, margins, bar width, and colors. - Add optional human-readable text labels with adjustable font sizing and positioning. - Preview designs in real time using SVG and Canvas rendering. Bulk Generation: - Import batch data from CSV, Excel, or plain text. - Process large batches using Web Workers to help keep the interface responsive. - View processing progress and validate input data before generation. Sequential Number Generator: - Generate auto-incrementing serial numbers with customizable prefixes, suffixes, step increments, and zero-padding. - Send generated sequences directly to the batch generation workflow. Print-Ready Label Layouts: - Use standard label-sheet presets for US Letter and A4 paper sizes. - Includes common multi-label and address-label configurations. - Supports continuous 4 × 6 inch direct-thermal label layouts. - Print layouts are designed for accurate physical dimensions when printed at 100% scale. Offline History: - Save recent batch settings and barcode designs locally. - Reopen previous configurations or clear locally stored data from the extension. Format Verification: - Validate characters and input requirements for supported barcode formats. - Calculate check digits where required to help identify invalid barcode data before generation. On-Device Scanner: - Scan barcodes and QR codes using your webcam or local image files. - Barcode detection is performed locally without sending captured data to an external server. ================================================== EXPORT OPTIONS ================================================== - High-resolution PNG images - Scalable SVG files - Multi-page printable PDF sheets - Bulk ZIP archives for batch exports Barcode Studio requires no account, subscription, or internet connection for its core barcode generation and design features.