Convert MNG to FLIF

Fast MNG to FLIF conversion for Windows. reaConverter supports 700+ formats with batch processing and built-in editing tools.

Tired of converting MNG files one at a time? reaConverter processes entire folders to FLIF automatically. Handles large batches reliably without crashes or timeouts.

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How to Convert Multiple MNG Files to FLIF?

1. Download and Install reaConverter

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

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Install reaConverter

2. Load your MNG files

Add MNG files to reaConverter. One file or a thousand, the process is the same. Everything runs locally on your machine.

You can drag-and-drop files, browse to a folder, or add entire directory trees including subfolders.

Load your MNG files into reaConverter

3. Select FLIF as output format

Select FLIF from the output format list and set your destination folder. You can also adjust quality and compression settings.

Select FLIF as output format

4. Start MNG to FLIF conversion

Click the Convert button to start. reaConverter will process all your files with the settings you selected.

Start Conversion

When finished, your new .flif files will be waiting in the destination folder.

MNG to FLIF Converter

reaConverter offers the fastest, simplest solution for converting your MNG 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 MNG 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
"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

MNG to FLIF Conversion: FAQ

What are MNG files?

MNG (Multiple-Image Network Graphics) is an animated image format which can serve as a container for PNG and JPG images. MNG files are supported by some internet browsers, usually after installing a required plugin, and by some image processing software programs.

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 MNG to FLIF?

Yes! reaConverter instantly converts .mng 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 MNG to FLIF online?

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

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

The best way to change MNGs 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 MNG to FLIF.

How can I automate MNG 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 MNG 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 mng to flif converter for batch processing.

What else can I do with reaConverter?

Convert GIS filesSet manual file dateConvert PDF filesAdd watermark on photoCopy metadata (EXIF, IPTC)

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