by nixtool
5 (1 reviews)
Nix Image Optimizer
Convert images to WebP with bulk compression, media log, watermarking, image SEO, featured image generation, and unused media cleanup.
Compatible with WP 7
v2.1.11
Current Version v2.1.11
Updated 1 month ago
Last Update on 30 May, 2026
Refreshed 6 hours ago
Last Refreshed on
Rank
#32,860
—
No change
Active Installs
1+
—
No change
KW Avg Position
179
—
No change
Downloads
218
+1 today
Support Resolved
0%
—
No change
Rating
100%
Review 5 out of 5
5
(1 reviews)
Next Milestone 10
0+
10+
32,062
Ranks to Climb
-
Growth Needed
8,000,000
Active Installs
Pro
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Rank Changes
Current
#32,860
Change
Best
#
Downloads Growth
Downloads
Growth
Peak
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5.0
1 reviews
Overall
100%
5
1
(100%)
4
0
(0%)
3
0
(0%)
2
0
(0%)
1
0
(0%)
Tracked Keywords
Showing 1 of 1| Keyword | Position | Change | Type | Updated |
|---|---|---|---|---|
| compression | 179 | — | Tag | 1 day ago |
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- Version
- 2.1.11
- Last Updated
- May 30, 2026
- Requires WP
- 5.8+
- Tested Up To
- 7
- PHP Version
- 7.4 or higher
- Author
- nixtool
Support & Rating
- Rating
- ★ ★ ★ ★ ★ 5
- Reviews
- 1
- Support Threads
- 0
- Resolved
- 0%
Keywords
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Frequently Asked Questions
Common questions about Nix Image Optimizer
New uploads in JPG, JPEG, PNG, and AVIF format can be converted to WebP. Existing supported images can also be processed through Bulk Compress.
No. Existing images are only processed when you run the bulk compression or watermark rebuild tools.
Yes. You can upload a watermark logo, choose the position, opacity, size, and margin, and optionally exclude specific images.
Yes. The plugin includes an unused media scanner and cleaner to help identify media items that are not referenced in content or common metadata.
It can fill missing image ALT text and attachment descriptions when posts are saved. Basic mode uses the post title and meta description or excerpt. Advanced mode uses nearby headings and section text for content images.
No. Future post saves fill empty fields by default. Backfill tools separate missing, generated Basic, generated Advanced, and custom image metadata so you can safely update only the intended group.
The Featured Image Generator saves JPEG files to keep smooth gradient output predictable between 20 KB and 60 KB.