Convert FAX to MNG
Online & free tool to convert FAX files to MNG


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FAX

Fax Document

FAX format stores scanned or transmitted fax documents, typically as black-and-white TIFF with CCITT compression.

MNG

Multiple-image Network Graphics

MNG is an animation extension of PNG, supporting multiple frames with timing and transition effects.

Trusted conversion quality

FreeFileConvert uses tuned encoding for FAX to MNG conversions, preserving clarity while trimming file size. Finished audio streams instantly across phones, tablets, desktops, and modern browsers without extra tweaks.

Seamless workflow

Upload FAX files from desktop, tablet, or cloud storage, queue multiple jobs, and let the converter finish autonomously. Return whenever convenient to download synchronized MNG results on any device you rely on.

Batch support for teams

Process up to 5 files sized 1000 MB per batch without splitting queues manually. Mixed-format uploads convert together, producing consistent MNG audio with dependable progress tracking.

About FAX

How to open FAX files

Windows Fax and Scan
IrfanView
ImageMagick

Technical details

Fax images use Group 3 or Group 4 compression optimized for black-and-white document transmission.

About MNG

How to open MNG files

Konqueror
ImageMagick
Firefox (disabled by default)

Technical details

MNG files contain multiple PNG or JNG images with animation control chunks.

How to convert FAX to MNG

STEP 1

Upload your image file in the FAX format from your device, Dropbox, or Google Drive.

STEP 2

Select MNG as the output format and click Convert. Adjust optional settings if needed.

STEP 3

Download the converted image file. Each file stays available for up to 5 downloads.

Your data, our priority

  • 256-bit SSL encrypted uploads and downloads
  • Automatic file deletion shortly after conversion completes
  • Reliable global infrastructure for consistent performance