Barcode Tools
Generate and scan barcodes in EAN, UPC, Code 128, Code 39, and ISBN formats for products, inventory, and publishing.
Tools in this section
7 total toolsBarcode Generator
Generate barcodes in EAN, UPC, Code 128, Code 39, and more formats.
EAN Generator
Generate EAN-13 and EAN-8 barcodes with auto check digit.
UPC Generator
Generate UPC-A barcodes with automatic check digit calculation.
Code 128 Generator
Generate Code 128 barcodes that encode any ASCII text.
Code 39 Generator
Generate Code 39 barcodes — the simple, self-checking standard.
ISBN Barcode
Generate ISBN barcodes for books and publications.
Barcode Scanner
Scan and decode barcodes from images or your device camera.
Why Use Barcode Tools on Alee Tools?
The Barcode Tools suite includes 7 focused browser-based tools designed to eliminate tedious file handling. Each tool runs locally on your machine using modern web standards including WebAssembly, Web Workers, and the HTML5 Canvas API.
Unlike cloud-based services that upload your personal data to remote servers, Alee Tools guarantees total client-side privacy. Your files never cross the network, zero logs are created, and your work completes in milliseconds with zero paywalls.
Zero File Uploads
Operations are isolated to your local browser session. Complete confidentiality guaranteed.
Instant Speed
Bypasses network bandwidth bottlenecks for instant conversions and calculations.
Free Forever
No subscription plans, no registration requirements, and no watermarks on your files.