PLT to TGA Converter

Render HPGL plotter files as Targa TGA images online

Drop files here. 1 GB maximum file size or Sign Up
to
Facebook Amazon Microsoft Tesla Nestle Walmart L'Oreal

Plotter to Targa

Bring PLT drawings into TGA format — ready for game engines, video compositing, and graphic production pipelines.

Secure Handling

PLT uploads are erased immediately post-conversion. TGA downloads are removed from Convertio within 24 hours.

Fast Rendering

Cloud infrastructure processes even complex HPGL drawings quickly, delivering your TGA file in seconds.

How to convert PLT to TGA

1

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

2

Choose tga or any other format you need as a result (more than 200 formats supported)

3

Let the file convert and you can download your tga file right afterwards

About formats

PLT is a vector file format associated with HP-GL (Hewlett-Packard Graphics Language), a plotter control language introduced by Hewlett-Packard in 1977 with the HP-9872 pen plotter. PLT files contain a sequence of two-letter ASCII commands that instruct a pen plotter to move, draw lines, select pens, and render text — commands like PU (pen up), PD (pen down), PA (plot absolute), and SP (select pen) form a straightforward instruction set that directly controls physical drawing motion. The language operates on a coordinate grid measured in plotter units (typically 0.025 mm per unit), and the resulting files read almost like machine code for a drawing device. HP-GL became the dominant standard for computer-aided design output, adopted by virtually every CAD application and supported by plotters from all manufacturers throughout the 1980s and 1990s. One advantage is universal CAD compatibility — PLT files generated by AutoCAD, SolidWorks, or any engineering software can be sent directly to plotters and cutting machines without driver translation. The text-based, human-readable command structure is another strength: engineers can inspect, edit, and hand-write PLT files to troubleshoot output or generate simple drawings programmatically. HP-GL/2, an enhanced version introduced with the HP LaserJet III in 1990, added polygon fills, Bezier curves, and raster support. PLT remains actively used in engineering, architecture, and manufacturing for large-format output.
Developer: Hewlett-Packard
Initial release: 1977
TGA (Truevision Graphics Adapter, also known as TARGA) is a raster image format created by Truevision in 1984 for their line of display adapter cards designed for IBM PC compatibles. The format stores pixel data in a straightforward structure: an 18-byte header specifying dimensions, color depth, and image descriptor flags, optional color map data, and the pixel array in either uncompressed or RLE-compressed form. TGA supports indexed color (8-bit with palette), true color (15-bit, 16-bit, 24-bit), and true color with alpha channel (32-bit), and was one of the first PC image formats to include per-pixel alpha transparency. The format became a staple of the professional graphics industry, widely adopted by video editing suites, 3D rendering software, and game development pipelines throughout the 1990s and 2000s. One advantage is native alpha channel support — TGA was one of the earliest formats offering full 8-bit alpha transparency per pixel, making it the standard output format for 3D renderers and compositing software where layered transparency is essential. The simple, well-documented structure is another strength: TGA files are quick to parse and write, with no complex metadata or container overhead, valued in real-time applications and game engines where loading speed matters. While PNG has largely replaced TGA for general use, the format persists in game development, texture pipelines, and 3D rendering workflows where its simplicity and alpha support remain advantageous.
Developer: Truevision
Initial release: 1984

Frequently Asked Questions

Why convert PLT to TGA?

TGA is common in game development and video production pipelines — converting PLT lets you use plotter drawings as texture assets or overlays.

What software opens TGA files?

Adobe Photoshop, GIMP, IrfanView, XnView, and most game engines (Unity, Unreal) support TGA natively.

Does TGA support transparency?

Yes — TGA supports an alpha channel, so your plotter lines can sit on a transparent background for compositing.

Is the rendering quality good?

TGA stores uncompressed or lightly compressed pixel data, so HPGL paths are rendered with full detail at the chosen resolution.

Is PLT to TGA free?

Yes — Convertio offers PLT to TGA conversion free of charge. No payment, no registration needed.

Does conversion work on mobile?

It does. The converter is browser-based and works on any smartphone or tablet with an internet connection.