Convert ESM to FLIF

Convert ESM to FLIF without uploading files anywhere. reaConverter works entirely on your PC — fast, private, and handles thousands of files at once.

Manual ESM to FLIF conversion wastes hours. reaConverter automates the process — just add files and click Convert. Everything happens offline on your computer — no uploads, no cloud risks.

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How to Convert Multiple ESM Files to FLIF?

1. Download and Install reaConverter

reaConverter is a standalone Windows app — download, install, and start converting ESM files in under two minutes.

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Install reaConverter

2. Load your ESM files

Open reaConverter and add your ESM files. You can load individual files, entire folders, or even nested subfolders.

Drop your ESM files into the window or use File menu to browse and select folders.

Load your ESM files into reaConverter

3. Select FLIF as output format

Choose FLIF as the target format. Pick a destination folder or let reaConverter save files alongside the originals.

Select FLIF as output format

4. Start ESM to FLIF conversion

Hit Convert and let reaConverter do the work. The progress window shows status for each file in real time.

Start Conversion

After conversion, find your FLIF files in the output folder. Click 'Show converted files' to open it directly.

ESM to FLIF Converter

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

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Do more with your files

Converting ESM 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 25, 2026
"An efficient all-in-one solution for image conversion and light editing, designed for maximum user-friendliness."
Elena Anderson
Elena Anderson
Happy User
"Enable shell integration for lightning-fast file conversions directly from Windows Explorer."
R. Lewis
R. Lewis
Happy User
"After 200+ conversions on my budget laptop (i3-1115G4/4GB RAM/Win11), reaConverter outperforms heavyweight tools. Zero crashes, low CPU usage during batch processing, and no internet dependency - exactly what professionals need."
Walter Morgan
Walter Morgan
Satisfied Customer
"Finally an app that actually opens my weird files! Saves me from format frustration daily."
Kyle Brooks
Kyle Brooks
Happy User
"This converter delivers exceptionally quick format conversions with reliable results every time."
Brian White
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
Marcus White
Healthcare IT

ESM to FLIF Conversion: FAQ

What are ESM files?

The ESM (Enhance Simplex) format represents a raster image associated with some models of Atari computers. Atari was a popular brand of home computers in the 1980s, providing mainstream users with innovative technology at the time, and competing with brands such as IBM and Commodore. ESM files are currently considered outdated and uncommon.

What are FLIF files?

FLIF (Free Lossless Image Format) is a royalty-free format launched at the end of 2015 as "work in progress" with the aim of offering a better alternative for storing lossless images than the existing PNG, WebP, BPG, JPEG2000 and JPEG XR. FLIF provides similar image quality as the other extensions, but in a file size than can be up to 74% smaller. The new format uses a form of the Adam7 algorithm for compressing images, offering progressive interlacing that allows users to obtain a reasonable encoding of an image even from a partial download.

Can reaConverter convert ESM to FLIF?

Yes! reaConverter instantly converts .esm to .flif 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 ESM to FLIF online?

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

How can I turn ESM files into FLIF on my computer?

The best way to change ESMs to FLIFs 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 ESM to FLIF.

How can I automate ESM to FLIF 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 ESM files to FLIF using the command prompt?

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

What else can I do with reaConverter?

Convert GIS filesConvert vector imagesConvert picture color spaceConvert Gerber imagesCrop photos

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