by
rapls
5 (3 reviews)
Rapls PDF Image Creator – PDF Thumbnails & Featured Images
Turns PDFs into images. Refuses to save a blank thumbnail, works around a Ghostscript fault that makes one, and tells you what to ask your host.
Rapls PDF Image Creator ranks #14,080 among WordPress.org plugins with 100+ active installations, is #1,406 of 6,299 in the Media category, a 5/5 rating from 3 reviews, and was last updated Sep 12, 2026. Data from WordPress.org, refreshed twice daily — see methodology.
Compatible with WP 7.1
v1.4.2
Current Version v1.4.2
Updated 3 days ago
Last Update on 12 Sep, 2026
Refreshed 6 hours ago
Last Refreshed on
#1,406 of 6,299 in Media
Top 25% by installs
Downloads +342.2% this week
Actively maintained
Rank
#14,080
+65 this week
Active Installs
100+
-31%
KW Avg Position
133.3
0.7 better
Downloads
408
+17 today
Support Resolved
0%
—
No change
Rating
100%
Review 5 out of 5
5
(3 reviews)
Next Milestone 200
100+
200+
1,025
Ranks to Climb
-
Growth Needed
8,000,000
Active Installs
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#14,080
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5.0
3 reviews
Overall
100%
5
3
(100%)
4
0
(0%)
3
0
(0%)
2
0
(0%)
1
0
(0%)
Support Threads Overview
Resolved
Unresolved
1
Total Threads
0
Resolved
1
Unresolved
0%
Resolution Rate
Security History
Source: WPVulnerabilityNo known vulnerabilities on record for Rapls PDF Image Creator. Checked 1 month ago.
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- Version
- 1.4.2
- Last Updated
- Sep 12, 2026
- Requires WP
- 5.0+
- Tested Up To
- 7.1
- PHP Version
- 7.4 or higher
- Author
- rapls
Support & Rating
- Rating
- ★ ★ ★ ★ ★ 5
- Reviews
- 3
- Support Threads
- 1
- Resolved
- 0%
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TL;DR
AI summary of the plugin's readmeThis plugin is for WordPress site owners and publishers who upload PDF files to their Media Library. It solves the problem of PDFs showing generic default icons by automatically generating thumbnail images from the first page using ImageMagick.
- Automatic thumbnail generation on upload
- Sets PDF featured image
- Generates multiple WordPress image sizes
- Media Library thumbnail display
- Editor integration for inserting thumbnails
- Bulk thumbnail generation
- JPEG, PNG, or WebP output
- Shortcodes and template functions
Frequently Asked Questions
Common questions about Rapls PDF Image Creator – PDF Thumbnails & Featured Images
A full guide with setup instructions, the fix for the infamous "black thumbnail" problem (CMYK / PDF/X), and real-world usage tips: Rapls PDF Image Creator — Setup & Troubleshooting Guide Source code on GitHub Developer's blog — Rapls Works
You need ImageMagick with the Imagick PHP extension and PDF support. Most shared hosting providers have this available. Contact your hosting provider if you need to enable it.
Go to Settings > Rapls PDF Image Creator > Status tab. The plugin will show whether ImageMagick is available and properly configured. For detailed troubleshooting including common server setup issues, see the setup guide.
Check Settings > Rapls PDF Image Creator > Status. If it reports ImageMagick 6, that is the cause. ImageMagick 6 can render a PDF it judges to be CMYK through Ghostscript's bmpsep8 device, which writes a separation BMP that ImageMagick's own BMP reader cannot decode. Depending on the exact ImageMagick and Ghostscript versions, the read either fails outright or returns an empty raster — which becomes a blank white thumbnail. ImageMagick 7 uses a different device and is unaffected. Not every ImageMagick 6 build is affected: on Xserver's 6.9.13-25 a CMYK page renders correctly. Since 1.3.2 the Status tab renders a test page and reports what this server actually does, rather than warning on the version number. The plugin cannot work around this, because ImageMagick picks the device from the PDF's own content and no Imagick API call overrides it. Ask your hosting provider to upgrade to ImageMagick 7, or to change the ps:cmyk delegate in delegates.xml from bmpsep8 to pamcmyk32. RGB PDFs are not affected, which is why only some of your PDFs fail.
If the PDF uses CMYK colours and no ICC profile is available on your server, the plugin falls back to a simple arithmetic conversion, which exaggerates greens and blues. Check Settings > Rapls PDF Image Creator > Status to see whether ICC colour management is active. Installing a CMYK profile on the server, or pointing the rapls_pdf_image_creator_icc_paths filter at one, restores accurate colours.
Thumbnails are not regenerated automatically, because regenerating every PDF on a large site during an update is not something a plugin should decide to do. Go to Settings > Rapls PDF Image Creator > Bulk Generate and regenerate them. If you would rather keep the previous colours, pin the old behaviour: add_filter( 'rapls_pdf_image_creator_color_conversion', function() { return 'naive'; } );
Yes. Go to Settings > Rapls PDF Image Creator > Bulk Generate tab to scan and generate thumbnails for all existing PDFs.
Those two settings only scale the rendered page down. They never enlarge it. The size the page is rendered at comes from Rendering Resolution instead, which was fixed at 150 DPI before version 1.2.0 — an A4 page at 150 DPI is about 1240x1754 pixels, and no maximum above that could produce anything bigger. Raise Rendering Resolution (Settings > Rapls PDF Image Creator > Image Settings) and the rendered page grows with it; the maximum dimensions then cap the result as before. Bear in mind that memory use during generation grows with the square of the resolution, so raise it in steps if your server is small.
Go to Tools > Site Health. The "PDF thumbnail generation" test says whether this server can render PDFs, and if not, what to ask your hosting provider for. The same report is on the Status tab of the plugin's settings page, and Site Health > Info has a Rapls PDF Image Creator section you can copy into a support request. There are two different server problems, and they need different requests: The Imagick PHP extension is not installed. Ask your host to install and enable it. It is the PHP binding for ImageMagick. ImageMagick is installed but its security policy forbids reading PDFs. Many hosts ship a policy.xml that denies the PDF coder, a precaution left over from a 2018 Ghostscript vulnerability. Ask your host to give the PDF coder read rights. The plugin shows the path of the file responsible. The plugin tells these apart for you, so you do not have to guess which request to make.
JPEG, PNG, and WebP. Configure your preferred format in the Image Settings tab.
