OmniDiskSweeper vs MediaOptim: Honest Comparison (2026)

An unbiased look at OmniDiskSweeper (Free) and MediaOptim ($14.99 one-time). We'll tell you when OmniDiskSweeper is the better choice.

Quick Verdict

OmniDiskSweeper is a no-frills free tool: it lists every folder and file from largest to smallest and lets you trash them. It is fast and does what it says. But it hasn't had big updates in years, and deleting is the only fix. MediaOptim finds big media files and shrinks them so you keep everything.

OmniDiskSweeper

Free (By The Omni Group)

MediaOptim

$14.99 (One-time)

See all OmniDiskSweeper alternatives

Feature Comparison

FeatureOmniDiskSweeperMediaOptim
Video Compression
Photo Compression
Audio Compression
Batch Folder Processing
Space Scanner
HEVC/H.265 Support
100% Local & Private
Format Conversion (WebP/AVIF)
PriceFree$14.99

Detailed Breakdown

Price

OmniDiskSweeper is free. MediaOptim is $14.99 one-time.

Features

OmniDiskSweeper shows a column view of folders and files sorted by size, with trash and open actions. MediaOptim scans for media files and compresses them in batch.

Ease of Use

Both are simple. OmniDiskSweeper is a plain list; MediaOptim adds compression in the same flow.

Privacy

Both run locally on your Mac.

Format Support

OmniDiskSweeper shows any file but only reports sizes. MediaOptim compresses video (H.264, HEVC), photos (JPEG, PNG, WebP, AVIF, HEIF) and audio (MP3, AAC, FLAC, WAV).

When to Choose OmniDiskSweeper

  • You want a free, simple list of what is biggest on your disk
  • You plan to delete files rather than shrink them

When to Choose MediaOptim

  • Your largest files are videos and photos you want to keep
  • You want an actively updated app
  • You want to compress files instead of trashing them

OmniDiskSweeper: Strengths & Weaknesses

Strengths

  • Free from a well-known Mac developer
  • Simple largest-to-smallest list
  • Fast scans and quick trash or open actions

Weaknesses

  • Only lists and deletes, never compresses
  • No visual map of your disk
  • Not actively updated for recent macOS versions

Frequently Asked Questions

Is OmniDiskSweeper still updated?
Its last major update targeted macOS Catalina. It still works for many people, but it is not actively developed.
Can OmniDiskSweeper compress files?
No. It lists files by size and lets you trash or open them. To shrink videos and photos instead of deleting them, you need a compression tool like MediaOptim.

Ready to Free Up Storage?

Compress your videos, photos, and audio files without losing quality. One-time purchase, no subscription, 100% private.

Download MediaOptimView Pricing

$14.99 one-time. Free trial available. macOS only.