by NerdCow 1 (0 reviews)

TIO - The Image Optimizer - Smart Image Compression & Optimization, Built for the Web

Name: TIO - The Image Optimizer - Smart Image Compression & Optimization, Built for the Web
Author: NerdCow

Automatically compress and convert your images to modern formats (WebP, AVIF). Get a perfectly optimized image every time and speed up your website.

TIO ranks #68,485 among WordPress.org plugins with 1+ active installations, is #4,762 of 6,651 in the Media category, a 1/5 rating from 0 reviews, and was last updated Sep 28, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Compatible with WP 7.1

v1.2.3 Current Version v1.2.3

Updated 1 month ago Last Update on 28 Sep, 2026

Refreshed 1 week ago Last Refreshed on

#4,762 of 6,651 in Media

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Rank

#68,485

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KW Avg Position

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Downloads

136

+4 today

Support Resolved

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Rating

20%

Review 1 out of 5

1 (0 reviews)

Next Milestone 10

Total Progress 10%

0+ 10+

55,548

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Growth Needed

8,000,000

Active Installs

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Reviews & Ratings

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Plugin Details

Version: 1.2.3
Last Updated: Sep 28, 2026
Requires WP: 6.0+
Tested Up To: 7.1
PHP Version: 8.0 or higher
Author: NerdCow

Support & Rating

Rating: ★ ☆ ☆ ☆ ☆ 1
Reviews: 0
Support Threads: 0
Resolved: 0%

Keywords

AVIF bulk optimize compression image optimization webp

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Frequently Asked Questions

Common questions about TIO - The Image Optimizer - Smart Image Compression & Optimization, Built for the Web

No. You only need a license key, which you can get for free at theimageoptimizer.com/key. No login, email, or credit card is required.

Every license key comes with 50 free credits. One credit is used per image compressed.

The plugin compresses JPEG, PNG, WebP, and HEIC sources. GIF and AVIF aren't processed — GIF because animated frames don't survive re-compression, and AVIF because it's already maximally compressed and re-encoding has no meaningful effect. New uploads can still be converted to modern formats like WebP or AVIF for smaller file sizes.

Yes. Open Tools → The Image Optimizer → Bulk Optimize. Click Scan to count how many images in your media library still need compressing, then Start. The plugin works through your library one image at a time and regenerates thumbnails locally — one credit per image, not one per thumbnail size. You can Pause, Resume, or Stop at any point and pick up where you left off the next time you open the page. Output format is preserved (JPG stays JPG, PNG stays PNG) so URLs and post content never break.

While a run is active, yes — each tick is fired by your browser. If you close the tab or navigate away, the run pauses automatically and progress is saved. Reopen the page and click Resume to continue. Scanning is more forgiving: it carries on in short server-side bursts and is safe to come back to.

The run stops cleanly and tells you exactly how many images were optimized and how much space was saved. Top up your credits and start a new run — already-optimized images are skipped automatically, so you only pay for what's left.

The plugin won't waste credits on images it can't improve. Skip reasons appear next to each attachment: too small (under 10 KB), unsupported format (GIF or other), missing file (the source file is gone from the server), too large (over 100 MB), already smaller (the API determined the original is already optimal), or repeated failures (the API errored three times in a row).

No — the original file is overwritten and can't be recovered. To get the original back, turn off auto-compress and re-upload the image. You can, however, reclaim the credit within 24 hours using the restore button in the media library or Gutenberg sidebar.

Compression happens during the upload process and typically adds 1–3 seconds depending on file size. A progress indicator is shown in the media library.