STS Converter

Our highly efficient software makes it easy to convert millions of STS files and folders in a single operation.

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reaConverter
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STS Files
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How to Convert .sts Files in Bulk

1. Install reaConverter

Download reliable STS conversion software to convert multiple .sts files and folders in one go.
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Install reaConverter

2. Select STS Files

Select STSs from a folder or drag and drop them into reaConverter, then choose the desired output format.
reaConverter - Load STS files

3. Start Conversion

Click Convert to start the bulk conversion of all selected STS files. The process will begin right away.
reaConverter - Start STS conversion

Convert STS on your PC

For quick and effortless STS file handling on your PC, reaConverter offers powerful conversion tools with batch processing. Best of all, it works entirely offline — ensuring your sensitive data never leaves your computer.

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Do more with your files

Converting STS files for use in a larger project? reaConverter offers many ways to process files, so you can customize them according to your requirements.

Our range of editing options includes auto-processing options such as auto-rotate, auto-crop, watermarking and more. Change Color Space, copy Metadata, set DPI, manage ICC Profile, control Bit Depth.

Conversion features

User Reviews

Average User Rating:
Last updated on February 26, 2025
"This converter delivers exceptionally quick format conversions with reliable results every time."
Brian White
Happy User
"Security was our top concern when evaluating file conversion tools. reaConverter’s offline mode and role-based access controls let us lock it down for sensitive environments. No unexpected network calls or bloat — just clean, fast conversions. Even passed our pen-testing scans without a hitch."
Marcus White
Healthcare IT
"I was drowning in mismatched file formats until I found reaConverter. The one-click conversion and editing tools simplified everything, and the pricing is reasonable for small businesses. Now I spend less time troubleshooting and more time growing my brand!"
Emily K.
E-commerce Entrepreneur
"Our volunteer team uses reaConverter to prepare images for fundraising campaigns. The learning curve was minimal, and the results are professional-grade. The customer support team even helped us customize a workflow — fantastic service!"
Jason P. Bailey
Non-Profit Coordinator
"Creating marketing materials for various platforms requires multiple file versions from single sources. reaConverter's workflow automation lets us generate PNG, JPEG, and SVG variants from AI and PSD files simultaneously. The color profile management ensures brand consistency across all outputs, and the processing speed allows for last-minute changes without delaying deadlines."
Rebecca Turner
Marketing Agency CEO
"Rare software that actually does it all! Converts anything, beautiful interface, and never lets me down. A must-have!"
Henry R.
Happy User

STS files: Frequently Asked Questions

What are STS files?

The STS file format is used to represent the bottom solder mask of a PCB design in two-dimensional vector form. This file type is typically created and processed using Eagle software and is part of the Gerber family of extensions, which are widely used in the PCB industry. Gerber files provide information about different aspects of electronic boards, such as copper layers, electrical connections, solder masks, and drilling or milling data. Other formats that are similar to STS include SOL, STC, and PLC.

Can reaConverter open STS files?

reaConverter fully supports the STS file format – open, edit, and export STS files to any other popular file format with ease.

How do I change STS to another format?

reaConverter is a user-friendly tool for converting STS files. Once installed on your computer, it allows you to convert all your .sts files at once with just a few clicks. You can even convert sts images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert STS online?

If you only want to convert a few STS files, you are welcome to try our free online STS converter.

How can I turn STS files on my computer to another format?

The best way to convert STS files on your PC is to get a quality piece of software, such as reaConverter. This software is extremely efficient in managing a wide range of batch files conversions, including conversion from STS.

How can I automate STS files conversion?

reaConverter supports all the essential automation features, such as right-click сonversion and Watch Folders, for the most efficient automated file conversion in any software of its kind.

Can I convert STS files using scripts or the command-line interface?

reaConverter provides full access to all its features from the Windows command-line shell, including the command-line sts converter.

What else can I do with reaConverter?

Convert DICOM imagesResize pictureConvert CAD formatsChange image bit depthConvert RAW formats

What formats can I convert a STS file to?
ai  apng  avif  bmp  bpg  cal  cg4  cgm  cin  dcx  dds  dgn  dis  drw  dwf  dwg  dxf  emf  epi  eps  fax  fits  flif  gbr  gif  glb  gltf  hpg  hru  ico  iff  jp2  jpeg  jpg  jxl  jxr  mif  mtv  pcl  pct  pcx  pdf  pgm  pic  plt  png  ppm  prc  ps  psd  qoi  qrt  rad  riff  rla  sgi  shp  step  stl  stp  svg  svgz  tga  tif  tiff  webp  webpll  wmf  wmz  wpg  wrl  x3d  xbm  xpm 

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Explore our efficient STS file converter that saves you time and effort by converting multiple .sts files into different formats.
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