WordPress plugin comparison
SlashImage vs Upload Converter for WebP
At a glance
- Upload Converter for WebP has more active installs: 400+, against 90+ for SlashImage.
- On a typical day, Upload Converter for WebP is downloaded about 9 times, SlashImage about 6.
- Both are rated 5.0 out of 5.
- SlashImage was updated more recently: Sep 28, 2026, against Nov 19, 2025 for Upload Converter for WebP.
- SlashImage is tested with a newer WordPress: 7.1.4, against 6.8.12 for Upload Converter for WebP.
- Upload Converter for WebP has been around longer: since 2025, against 2026 for SlashImage.
Line by line
Level: each leads on 3 of 6 comparable lines.
| Metric | ||
|---|---|---|
| Popular rank | #16,939 | #9,399 |
| Active installs | 90+ | 400+ |
| Downloads, last 30 days | 173 | 253 |
| Rating | 5.0(1) | 5.0(4) |
| Support threads resolved | – | – |
| Tested up to | 7.1.4 | 6.8.12 |
| Search multiplier | ×0.38 | ×0.29 |
| Last release | 1 month ago | 11 months ago |
| Requires PHP | 7.4 | 7.2 |
From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.
Tags they share
More comparisons
- SlashImage vs Optimole
- SlashImage vs Robin Image Optimizer
- SlashImage vs Converter for Media
- SlashImage vs Kraken.io Image Optimizer
- Upload Converter for WebP vs Converter for Media
- Upload Converter for WebP vs Optimole
- Upload Converter for WebP vs Robin Image Optimizer
- Upload Converter for WebP vs ShortPixel Adaptive Images
Is one of these yours?
Track your plugin against its rivals every day: rank, installs, downloads, ratings and their releases, with alerts when anything moves.
Start free