SlopLabel · Beta
SlopLabel: barcode label designer
Design and print barcode labels.
Nothing to install: just open it in the browser on your phone, tablet or computer. It keeps working without internet after your first visit. Want an icon on your home screen? On iPhone or iPad, tap Share, then Add to Home Screen. On Android, open the browser menu and tap Add to Home screen. On a computer, click the install icon in the address bar.
SlopLabel has these main features: Barcodes & QR, GS1; Data merge from CSV & Excel. It opens Any image, CSV.
Beta: still being tested, so some parts may change.
What you can do with SlopLabel
- Print labels from an Excel or CSV file
- Print on Avery label sheets
- View and edit ZPL label code
- Make an SSCC pallet label
- A free BarTender alternative in your browser
How SlopLabel compares
SlopLabel next to Avery Design & Print, ZebraDesigner 3 Essentials, gLabels: facts from each tool's own pages, checked 2026-10-24. We make SlopLabel.
| Tool | Price | Runs where | Account needed | Data merge | Label sheets | Thermal printers |
|---|---|---|---|---|---|---|
| SlopLabel ours | Free | Browser; offline .html | No | CSV, TSV, Excel .xlsx, JSON | Avery and Herma codes, or custom | Yes, ZPL export and import |
| Avery Design & Print | Free | Browser | Optional; needed to save online | Yes, from spreadsheets | Avery products | Not stated |
| ZebraDesigner 3 Essentials | Free; Professional needs a paid licence | Windows 10 and 11 | No activation | Professional only | Not stated | Yes, Zebra Link-OS printers |
| gLabels | Free, open source (GPL-3.0) | Linux (3.x); version 4 from source | Not stated | Yes, from CSV and similar | Yes, including Avery templates | Not stated |
| Feature | SlopLabel ours | Avery Design & Print | ZebraDesigner 3 Essentials | gLabels |
|---|---|---|---|---|
| Barcodes | Yes | Yes | Yes | Yes |
| QR codes | Yes | Yes | Yes | Yes |
| GS1 barcodes | Yes | Yes | Yes | Partly |
| Merge from CSV or Excel | Yes | Yes | Partly | Yes |
| Serial numbers and counters | Yes | Yes | Yes | Yes |
| Avery sheet layouts | Yes | Yes | Partly | Yes |
| Thermal label printers | Yes | Not stated | Yes | Partly |
| ZPL output | Yes | No | Yes | Not stated |
| Images on labels | Yes | Yes | Yes | Yes |
| Runs in a browser | Yes | Yes | No | No |
| Operating systems | Any, in a browser | Any, in a browser | Windows | Linux; others from source |
| No account needed | Yes | Partly | Yes | Not stated |
| Free for every feature | Yes | Yes | Partly | Yes |
| Open source | Yes | No | No | Yes |
The full comparison, with sources: The best free label maker software
Feature matrix
| Feature | Status | File types |
|---|---|---|
| Barcodes & QR, GS1 | Beta | Any image, CSV |
| Data merge from CSV & Excel | Beta | Any image, CSV |
| Zebra ZPL export & import | Beta | Any image, CSV |
| Sheets & thermal rolls | Beta | Any image, CSV |
File types
SlopLabel opens Any image, CSV.
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