About ReadBarcode.com
A free, browser-based barcode toolkit for retail, logistics, libraries, and developers.
ReadBarcode.com exists to make working with barcodes less painful. Most online scanners are consumer price-lookup apps; we built a set of technical tools for the people who actually generate, validate, and migrate barcode data.
What we cover
- Barcode reader, QR code reader, and Data Matrix reader — decode symbols from camera or image.
- UPC and EAN lookup, ISBN reader, and GTIN validator.
- GS1 Digital Link decoder and the Sunrise 2027 guide.
- Inventory scanner and batch barcode tools for working with many codes at once.
- In-depth barcode guides for the formats and standards behind it all.
How it's built
The decoders are WebAssembly builds of well-known open-source scanners, wired to a typed parser layer that recognises GTIN structures, ISBN check digits, and GS1 Application Identifiers. Nothing leaves your browser.
About this page
This page introduces ReadBarcode.com — what the project is, who it's for, and how the free online barcode tools fit together.
When to use it
- When evaluating ReadBarcode for an internal team workflow.
- When deciding between a phone scanner app and a browser toolkit.
- When you need a single starting point linking every tool and guide.
- When citing the project in documentation, training, or a procurement form.
How it works
- 1Step 1Open a tool
Pick a reader, validator, or decoder from the nav.
- 2Step 2Process locally
WebAssembly handles decoding in your browser.
- 3Step 3Export or continue
Copy results, export CSV, or jump to a related tool.
What to avoid
- Don't treat ReadBarcode as an official GS1 registry.
- Don't expect an authoritative product database — we focus on structure, not catalogue lookups.
- Don't rely on a single decoded scan for safety-critical decisions.
Tips & tricks
- Bookmark the Barcode Type Detector — it routes you to the right reader.
- For brands migrating to 2D, start with the Sunrise 2027 guide then test in the GS1 Digital Link decoder.
- For catalogue cleanup, pair the batch tools with the GTIN validator.
FAQ
A free online toolkit that scans, decodes, and validates barcodes in your browser. It covers 1D symbols (UPC, EAN, Code 128, ISBN), 2D symbols (QR, Data Matrix) and the GS1 Digital Link URL format.
Yes. Every tool — reader, decoder, validator, inventory and batch tools — is free with no signup. The site is funded by minimal, privacy-respecting analytics, not paywalls.
No. Everything runs in a modern browser using WebAssembly. There's no app to download.
Small brands, retailers, librarians, warehouse and inventory teams, developers integrating barcode features, and anyone preparing for the GS1 Sunrise 2027 transition to 2D barcodes.
Phone apps focus on consumer price lookups. ReadBarcode.com is built for technical workflows — validating GTIN check digits, decoding GS1 Application Identifiers, parsing GS1 Digital Link URLs, and exporting batches to CSV.