vector format

What is a .PLT file?

PLT stores vector plotting instructions for pen plotters, vinyl cutters and CNC machines.

Full name
HPGL Plotter File
Developed by
HP
Released
1984
Extension
.plt
MIME type
application/plt
Transparency
No

How to open a PLT file

PLT opens in plotting and cutting software like CorelDRAW and cutter drivers.

What PLT files are used for

Logos & branding

Crisp marks that scale from favicon to billboard.

Print & cutting

Vector paths drive printers, plotters and cutters.

Illustration & UI

Icons and artwork that stay sharp at any size.

Strengths & limitations

✔ Strengths✖ Limitations
Infinitely scalableNo transparency support

Tools for this format

Convert, compress and edit — free, in your browser.

Need more than a conversion?

Remove the background from PLT images, upscale to 4K, or generate new visuals with SharkFoto AI.

Frequently asked questions

PLT stores vector plotting instructions for pen plotters, vinyl cutters and CNC machines.

PLT opens in plotting and cutting software like CorelDRAW and cutter drivers.

PLT is optimised for its specific use rather than strictly lossless storage.

Use SharkFoto's free tools — upload your PLT file and convert it to a more convenient format in seconds. It's free, processed securely and never stored.

No — PLT doesn't store transparency; convert to PNG or WEBP if you need it.