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View and edit ZPL label code

See what a ZPL file will print before it reaches the Zebra printer. SlopLabel draws the label from the code, turns it into objects you can move and change, and writes ZPL again at 152 to 600 dpi.

Open a ZPL file

How to do it

Choose File > Import ZPL… and paste the code, or open a .zpl, .prn or .txt file.
The label appears with its text, barcodes, boxes, lines and graphics as editable objects.
Change what you need, and set the size, dpi, darkness and speed in Label setup.
In Print…, choose ZPL (Zebra) to download the new code, ZPL preview to check it, or PDF and PNG.

The import reads the common commands: ^FO and ^FT positions, ^A fonts, ^FB text blocks, the ^B barcode commands (Code 128 with GS1, EAN, UPC, Code 39, Code 93, Interleaved 2 of 5, Codabar, QR, Data Matrix, PDF417 and Aztec), ^GB, ^GE, ^GC and ^GD shapes, and ^GF graphics. ^FN fields become prompts and ^SN becomes a counter.

Your files stay on this device: SlopLabel runs in your browser, with no upload, no account and no watermark.

Questions

Can it print straight to my Zebra printer?

Not directly. Download the .zpl file and send it to the printer with your usual tool, or print through the browser as a picture.

Which dpi can I use?

152, 203, 300 or 600 dpi. 203 dpi is the default, which most desktop Zebra printers use.

Does it also write EPL or TSPL?

Yes. Besides ZPL, the print dialog exports EPL2 and TSPL for TSC printers.

Is my label code uploaded?

No. The ZPL is read and drawn in your browser.

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