Convert SD1 to EPI

Tired of slow online converters? reaConverter transforms SD1 to EPI instantly — right on your desktop, no upload needed.

Batch SD1 to EPI conversion doesn't have to be complicated. reaConverter processes entire folders with consistent quality settings. Works offline with no internet required — convert anywhere, anytime.

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How to Convert Multiple SD1 Files to EPI?

1. Download and Install reaConverter

reaConverter installs quickly on any Windows PC. No dependencies, no bloatware — just a clean setup that's ready to use immediately.

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Install reaConverter

2. Load your SD1 files

Open reaConverter and import your .sd1 files. No file limits, no slowdowns. Add as many as you need.

Drag files into the window, use the Add Files button, or select entire folders.

Load your SD1 files into reaConverter

3. Select EPI as output format

Select EPI as target format and pick where to save results. You can keep default settings or fine-tune the output.

Select EPI as output format

4. Start SD1 to EPI conversion

Hit Convert to process your files. The log window shows progress, timing, and status for every file.

Start Conversion

Conversion complete? Your EPI files are saved to the destination folder, ready to use.

SD1 to EPI Converter

reaConverter offers the fastest, simplest solution for converting your SD1 files into EPI in seconds - all files processed on your PC for maximum privacy and speed.

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Do more with your files

Converting SD1 files for use in a workflow? 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
Image editing

User Reviews

Average User Rating:
Last updated on January 13, 2026
"An ultra-fast solution for minimizing file sizes. The entire conversion process takes just 3 minutes!"
Logan B.
Logan B.
Satisfied Customer
"I use the online converter — it’s quick and hassle-free!"
Jian Wong
Jian Wong
Happy Online User
"Working in a print studio means constantly juggling obscure file formats. I used to waste hours Googling converters or installing random software — until reaConverter became my Swiss Army knife. Install it once, and you're set forever. No internet? No problem!"
Helen Evans
Helen Evans
Satisfied Customer
"An excellent program! I use it regularly in my work - it supports nearly every file format imaginable. The interface is intuitive and runs flawlessly every time."
Roger Cook
Roger Cook
Happy User
"For agencies handling confidential data, reaConverter eliminates cloud-upload risks while delivering unmatched conversion reliability. Our team uses it both in-office and remotely with identical results."
Jamal Bailey
Jamal Bailey
Satisfied Customer
"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
Jason P. Bailey
Non-Profit Coordinator

SD1 to EPI Conversion: FAQ

What are SD1 files?

The SD1 extension is attached to RAW images captured using some models of Sigma cameras. Sigma is a Japanese brand producing various types of photographic devices and cameras. The brand is best known for its lenses that can be used on cameras manufactured by several other companies, including Nikon, Canon and Panasonic. SD1 is part of a group of extensions attached to images shot in RAW mode on Sigma devices, including SD0 and SD2. All are considered rare and probably difficult to open using regular image viewers.

What are EPI files?

EPI (Encapsulated Interchange Script) is an interchange format associated with Adobe Illustrator and represents a vector file used by graphic designers to create and edit drawings. EPI files can contain maps, logos, page layouts or several other types of drawings including text and graphics. Due to their vector format, EPI files can be incompatible with most popular image viewers.

Can reaConverter convert SD1 to EPI?

Yes! reaConverter instantly converts .sd1 to .epi with perfect quality preservation. With its batch processing feature, you can convert multiple files at once in just a few clicks. You can even convert images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert SD1 to EPI online?

If you only need to convert a few SD1 files to EPI format, feel free to try our free online free online SD1 to EPI converter — perfect for small batches with no installation needed!

How can I turn SD1 files into EPI on my computer?

The best way to change SD1s to EPIs on your PC is to install 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 SD1 to EPI.

How can I automate SD1 to EPI files conversion?

reaConverter supports all the most useful automation features such as right-click сonversion and Watch Folders for the most efficient automated files conversion in any software of this type.

Is there a way to convert SD1 files to EPI using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line sd1 to epi converter for batch processing.

What else can I do with reaConverter?

Convert DICOM imagesResize pictureChange file dateConvert vector imagesConvert picture color space

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