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Head-to-head · Video Merger Software

MKVToolNix vs LosslessCut

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score MKVToolNix #3 in Video Merger Software 9.0/10 Free plan Free plan✓ 0 of 3 features Visit MKVToolNix
LosslessCut #5 in Video Merger Software 8.8/10 Free plan Free plan✓ 0 of 3 features Visit LosslessCut

MKVToolNix leads on 0 checks, LosslessCut on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMKVToolNix · 9.0/10
  • Free planboth

MKVToolNix scores higher on our rubric for video merger software: 9.0 against 8.8 out of 10; our editors rank them #3 and #5.

MKVToolNix is the better fit for MKV/WebM track and container workflows. LosslessCut is the better fit for lossless desktop cutting and merging.

  • MKVToolNix fits best

    MKV/WebM track and container workflows

  • LosslessCut fits best

    Lossless desktop cutting and merging

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Side by side

Feature MKVToolNix 9.0/10 Visit ↗ LosslessCut 8.8/10 Visit ↗
At a glance
Editor score 9.0 8.8
Ranking #3 in Video Merger Software #5 in Video Merger Software
Best for MKV/WebM track and container workflows Lossless desktop cutting and merging
Pricing model Free Free
Starting price Free plan Free
Free plan ✓ ✓
Free trial — —
Deployment Desktop Desktop
Platforms Windows, macOS, Linux Windows, macOS, Linux
Support Community, Docs Email, Docs
Built for Solo, Small business Solo
Features MKVToolNix 0/3 · LosslessCut 0/3
Browser-based Not checked yet Not checked yet
Lossless joining Not checked yet Not checked yet
Batch joining Not checked yet Not checked yet
Specs
Desktop platforms Not checked yet Not checked yet
Maximum output resolution Not checked yet Not checked yet
Maximum file size Not checked yet Not checked yet
Our review
Pros
  • GUI and command-line tools support detailed multiplexing workflows
  • Runs on Windows, macOS and Linux
  • Extracts tracks, chapters, tags, attachments, cues and timestamps
  • Cuts and concatenates video and audio without re-encoding in many workflows
  • Offers multi-track editing, remuxing, and track extraction
  • Includes timeline navigation, project files, and CSV segment import and export
Cons
  • Does not transcode video or audio codecs
  • Desktop deployment only, with no web or mobile app
  • No batch conversion feature is provided
  • Focused on desktop media editing rather than a broader video production workflow
  • Its lossless operations apply only in many workflows, not every workflow
  • The Mac App Store version is paid, while the free download is on GitHub
Our verdict

MKVToolNix is an open-source desktop suite for creating, altering and inspecting Matroska files. It is aimed at media enthusiasts, archivists and small teams that need container-level control over existing video, audio and subtitle…

Read the review →

For people who need to trim, join, or extract sections of existing media, LosslessCut is a desktop application built around editing without re-encoding in many workflows. It is aimed primarily at individuals working with camera, phone,…

Read the review →
  1. MKVToolNixVideo Merger Software 9.0Free plan
  2. LosslessCutVideo Merger Software 8.8Free plan

Strengths and trade-offs

  • MKVToolNix — where it wins

    • GUI and command-line tools support detailed multiplexing workflows
    • Runs on Windows, macOS and Linux
    • Extracts tracks, chapters, tags, attachments, cues and timestamps

    Where it doesn't

    • Does not transcode video or audio codecs
    • Desktop deployment only, with no web or mobile app
    • No batch conversion feature is provided

  • LosslessCut — where it wins

    • Cuts and concatenates video and audio without re-encoding in many workflows
    • Offers multi-track editing, remuxing, and track extraction
    • Includes timeline navigation, project files, and CSV segment import and export

    Where it doesn't

    • Focused on desktop media editing rather than a broader video production workflow
    • Its lossless operations apply only in many workflows, not every workflow
    • The Mac App Store version is paid, while the free download is on GitHub

More comparisons

All video merger software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update