90
CompressX — AVIF & WebP Converter, Media Replacement
Modern image formats without the server headache.
HealthyGrowing
90/100
The plugin provides excellent AVIF conversion quality. It uses a standard freemium model for advanced features. Documentation can be slightly confusing.
Active installs
~45,000
our estimate · wp.org shows 40k+
Rating
5.0★
185 ratings
Trend · vs a year ago
+83%
Growing fast
197 → 361 installs/day
Downloads over time
real new installs per day · release spikes shown separately from the trend2025-04-302025-08-082025-11-162026-02-232026-06-03
organicrelease spikerelease tailorganic trend · 14d rolling median
Growing fast · +83% in the last year
197/day a year ago→361/day today
Reviews
what people actually sayCompressX is a well-regarded image optimization plugin for WordPress that earns consistent praise for its AVIF and WebP conversion quality and ease of use, with the main caveat being that advanced compression controls are locked behind paid tiers.
What people like
- +Strong AVIF and WebP conversion quality, with AVIF noted as delivering significantly better compression than WebP while maintaining visual quality×2
- +Bulk optimization handles large media libraries smoothly without server timeouts or performance issues
- +Uses ImageMagick under the hood, which users find produces noticeably better conversion quality than competing plugins
- +Clean, straightforward interface with sensible defaults that work well out of the box×2
- +Cost-effective compared to other image optimization plugins
- +Responsive customer support noted positively
- +Works well across multiple sites×2
Common complaints
- −Advanced features such as per-file-type compression level controls require a paid upgrade; free tier is limited to basic functionality
- −In-plugin documentation about compression quality values is confusing or contradictory — UI text states higher values reduce quality more, while the actual docs suggest the opposite
Review trustReviews look organic
- 5.00★Verified rating — holds steady vs the raw 5.00★
- 14%One-shot reviewers — most reviewers are active community members
Reviews per month · 5★ vs lower
2025-04-102025-11-062026-06-04
5★ reviews1–4★ reviews
All-time ratings · 185 total
Latest reviews · 90 analyzed
- 2026-06-01★★★★★best of the bestbelg24
- 2026-05-24★★★★★Does what it saysgbrandt
- 2026-05-19★★★★★Easy to use and works great!zimmermandesign1-shot
- 2026-05-14★★★★★AmazingPierre
- 2026-05-05★★★★★Impressiverevixi5
- 2026-04-24★★★★★Great pluginpetermulti
- 2026-04-14★★★★★El mejor plugin para optimizar imagenesCristobal Abello
- 2026-03-30★★★★★Works greatSravan
- 2026-03-18★★★★★Works like charmbenni51
- 2026-03-05★★★★★Purrfectwidaki
Releases
recent versions from WordPress.org SVNAlternatives to CompressX
Top Media plugins, ranked by score. 86
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83
For developers & the curious
the raw signals behind the grade — none of this is on the friendly summary aboveDownload signals
Baselines are computed on organic days only — release spikes and their tails are excluded, so they're not inflated by the auto-update wave.
361
Baseline · median of last 7 organic days
365
Prior 7-day baseline
381
Floor · 25th percentile over 14 days
5,244
Mean release-day peak (30d)
741
Latest day · 2026-06-03(tail)
-1.1%
Week-over-week organic trend
Review signals
Concentration and drive-by metrics drive the review-burst and fake-review flags. 30–40% solo reviewers is normal; we only flag the extremes.
13%
Max month share · biggest single 30-day window
0.52
Distribution CV · <0.6 even, >1.5 bursty
100%
5★ share in analyzed sample
14%
Solo reviewers · only this one wp.org activity
-36%
Volume velocity · last 6mo vs prior 6mo
5.00 → 5.00★
Sample avg · raw → solo-filtered