WPIntell

Market

3d flipbook

3D Flipbook matters only if the evidence supports a paid workflow around keeping media embeds, galleries, watermarks, and video experiences reliable, not a list of isolated fixes. The current commercial thesis is: Media-heavy sites lose engagement when embeds, players, thumbnails, or asset workflows break. The entry wedge is to monitor media embeds, player failures, thumbnail quality, and branded asset workflows before visitors notice.

Proof Health

Open evidence

Commercial opportunities need traceable source links before they are treated as build-worthy.

48 / 64 rows with source links

75.0% of this page's analysis has direct source links.

0 build-decision rows missing links

0 rows here require auditable proof before promotion.

16 rows with no attached evidence

0 rows have source counts but still need direct links.

Opportunity Summary

Full report

Build a media publishing and video operations plugin for publishers, creators, agencies, and media-heavy site owners: Media-heavy sites lose engagement when embeds, players, thumbnails, or asset workflows break. The first wedge is to monitor media embeds, player failures, thumbnail quality, and branded asset workflows before visitors notice.

The unmet need is not the individual complaint. It is the recurring business workflow: Media-heavy sites lose engagement when embeds, players, thumbnails, or asset workflows break. Current stage: commercial watchlist.

Competitors

3 shown

Evidence

Open evidence explorer
mixed Change relative links to absolute links

Change relative links to absolute links: users show bugs, missing feature, pricing pain that may indicate a product gap.

PDF Generator for WordPress · We use the basic feature of relative links on our website. mixed Getting Fatal Error

Getting Fatal Error: users show bugs, compatibility, missing feature pain that may indicate a product gap.

PDF Generator for WordPress · Getting Fatal Error In this file pdf-generator-for-wp/admin/partials/pdf_templates/pdf-generator-for-wp-admin-template1.php In 382 line we have ' . mixed Broken access control – plugin vulnerability

Broken access control – plugin vulnerability: users show security, bugs, missing feature pain that may indicate a product gap.

DearFlip – PDF Flipbook, 3D Flipbook, PDF embed, PDF viewer · Broken access control – plugin vulnerability Hi there, In version 2.4.27 of a free plugin version of 3DearFlip app our Patchstack monitoring service revealed a vulnerability: Broken Access Control A broken access control issue refers to a missing authorization, authentication or nonce token check in a function that could lead to an unprivileged user to execu mixed Fatal error when generating pdf

Fatal error when generating pdf: users show bugs, compatibility, missing feature pain that may indicate a product gap.

PDF Generator for WordPress · Fatal error when generating pdf Hi, This plugin was working perfectly, but now I have a fatal error when someone try to generate a pdf. complaint Besser: Finger weg!

Besser: Finger weg!: users show bugs, support, setup pain that may indicate a product gap.

PDF Generator for WordPress · Auf Nachfragen nach den Layoutmöglichkeiten, fordert der Support erstmal Admin Rechte und einen FTP Zugang zu unserem System. mixed Printing to Divi

Printing to Divi: users show bugs, compatibility, performance pain that may indicate a product gap.

PDF Generator for WordPress · Printing to Divi Great plugin… almost. mixed Wordfence vulnerability alert for 2.4.28

Wordfence vulnerability alert for 2.4.28: users show security, bugs, support pain that may indicate a product gap.

DearFlip – PDF Flipbook, 3D Flipbook, PDF embed, PDF viewer · Wordfence vulnerability alert for 2.4.28 Wordfence warning: WordPress DearFlip plugin <= 2.4.28 – Broken Access Control vulnerability Wordfence warning: WordPress DearFlip plugin <= 2.4.28 – Broken Access Control vulnerability I’m getting this vulnerability notification as well. mixed unable to activate plugin with PHP 8.3

unable to activate plugin with PHP 8.3: users show bugs, compatibility, support pain that may indicate a product gap.

PDF Generator for WordPress · unable to activate plugin with PHP 8.3 When I try to activate the plugin on my WordPress site with PHP 8.3, it crashes and I get this error message in the logs: [19-Sep-2024 15:21:35 UTC] PHP Fatal error Uncaught TypeError: Cannot access offset of type string on string in /var/www/mysite/wordpress/wp-content/plugins/pdf-generator-for-wp/pdf-generator-for-wp. complaint Fixed fatal errors

Fixed fatal errors: users show bugs, support pain that may indicate a product gap.

PDF Generator for WordPress · Fixed fatal errors Had errors, tried to deactivate and activate the plugin but it gave only fatal errors. mixed IONOS has reported a vulnerability

IONOS has reported a vulnerability: users show security, bugs pain that may indicate a product gap.

DearFlip – PDF Flipbook, 3D Flipbook, PDF embed, PDF viewer · IONOS has reported a vulnerability I see that others have said they have had warnings about this plug-in. praise Why the word “Description” just below the title?

Why the word “Description” just below the title?: users show bugs, missing feature, support pain that may indicate a product gap.

PDF Generator for WordPress · I really wanted this to work, and it did, but it had a fatal flaw. praise Not working – no refund – be careful

Not working – no refund – be careful: users show bugs, support pain that may indicate a product gap.

PDF Generator for WordPress · Not working – no refund – be careful I don’t know about the free plugin, but the PRO version did not work for me from the get go . complaint Warnings: Tag figure/figcaption invalid in Entity

Warnings: Tag figure/figcaption invalid in Entity: users show bugs, compatibility, support pain that may indicate a product gap.

PDF Generator for WordPress · Warnings: Tag figure/figcaption invalid in Entity Since the last version (1.3.5) I see many warnings in the error log of a client’s site: DOMDocument::loadHTML(): Tag figcaption invalid in Entity, line: 301 in /.../wp-content/plugins/pdf-generator-for-wp/common/class-pdf-generator-for-wp-common.php on line 270 DOMDocument::loadHTML(): Tag figure invalid in E complaint PDF Generator doesn’t align images properly

PDF Generator doesn’t align images properly: users show bugs, missing feature, pricing pain that may indicate a product gap.

PDF Generator for WordPress · After contacting support, they are willing to fix their image alignment issue (as long as you pay them extra to fix what you already paid for ). complaint Featured thumbnail not showing up

Featured thumbnail not showing up: users show bugs, missing feature, support pain that may indicate a product gap.

PDF Generator for WordPress · Featured thumbnail not showing up Having an error on the featured image displaying the image, the image place is empty with an error “Image not found or type unknown” This topic was modified 2 years, 8 months ago by coffeeshqq . mixed Single pdf view post id problem?

Single pdf view post id problem?: users show bugs, compatibility, missing feature pain that may indicate a product gap.

3D Flipbook PDF Viewer & Embedder · In functions.php: 176 public static function shortcode_view($post_id){ 177 $link = \PDFEV_Functions::get_pdf_link(); 178 $flipbook = get_option('pdfev_flipbook_status'); $post_id is passed but discarded, and get_pdf_link() uses get_the_ID() instead. mixed RTL Option

RTL Option: users show bugs, compatibility, missing feature pain that may indicate a product gap.

PDF Generator for WordPress · RTL Option Hi Team, “RTL Support – Select this to enable RTL support ( enabling this will enable, font-style : DejaVu Sans, sans-serif globally ) and will support right-to-left text alignment.” When I enable this option in the PDF Settings, English and LTR languages – brackets and numbers are not working properly. mixed Colors do not change / how to embed list / change the order of the view?

Colors do not change / how to embed list / change the order of the view?: users show bugs, missing feature, support pain that may indicate a product gap.

3D Flipbook PDF Viewer & Embedder · Hello, I have installed the plugin, but I have 4 questions: i have changed the colors, but they are not displayed e.g. mixed Unable to stream pdf: headers already sent

Unable to stream pdf: headers already sent: users show bugs, compatibility, support pain that may indicate a product gap.

PDF Generator for WordPress · Unable to stream pdf: headers already sent Hi, thanks for this great plugin! mixed Download error

Download error: users show bugs, compatibility, pricing pain that may indicate a product gap.

PDF Generator for WordPress · Download error Hi, I am testing the free version of your plugin to download Woocommerce product sheets as PDFs. mixed Additional text

Additional text: users show bugs, missing feature, support pain that may indicate a product gap.

3D Flipbook PDF Viewer & Embedder · I display the issues of our digital PDF magazine; for example, I’d like to include an excerpt from the table of contents (4–5 lines) under “April 2026.” The page I need help with: [ log in to see the link] Can I add a description to the PDF display in the PDF Embed plugin—preferably below the PDF title? mixed Umlauts only as UTF-8 codes in pdf ?

Umlauts only as UTF-8 codes in pdf ?: users show bugs, missing feature, support pain that may indicate a product gap.

PDF Generator for WordPress · It would be a shame if umlauts are not possible, until then everything works perfectly. complaint Quick and helpful support

Quick and helpful support: users show bugs, support pain that may indicate a product gap.

PDF Generator for WordPress · Quick and helpful support Quick and effective support for an update issue Quick and effective support for an update issue Hello, Thanks for your 5 star rating it will surely motivate us. complaint World class support

World class support: users show support, setup pain that may indicate a product gap.

PDF Generator for WordPress · World class support We are an agency maintaining 250+ WordPress installations with far over 100 different plugins and about 10 years of WordPress experience. complaint Great plugin

Great plugin: users show missing feature, support pain that may indicate a product gap.

TNC FlipBook 3D – PDF Flipbook, 3D Flipbook, PDF Viewer, PDF Embedder · Great plugin I’ve been following this author since the CodeCanyon days and have always known them to create top-tier, high-quality products. mixed Can dFLIP hide or protect the original PDF source URL, like Calaméo?

DearFlip could not hide the original PDF URL like a publishing platform, and the vendor recommended SaaS-style publishing for stronger document protection.

DearFlip – PDF Flipbook, 3D Flipbook, PDF embed, PDF viewer · Using a PDF viewer is not a good solution if you need protection. mixed Image Size

Image Size: users show missing feature, support pain that may indicate a product gap.

PDF Generator for WordPress · Hello, Thanks for using our plugin, If the images are getting off from the PDF , then you can control it through the CSS of yours by apply it through the Custom css setting in PDF tab under the body section. mixed French characters not working with DejaVu

French characters not working with DejaVu: users show bugs, support pain that may indicate a product gap.

PDF Generator for WordPress · Hello@localizy , Thanks for using our plugin, Our team is working on this issue we will fix this in our next coming update. mixed Shortcode only on certain pages

Shortcode only on certain pages: users show missing feature, support pain that may indicate a product gap.

PDF Generator for WordPress · Shortcode only on certain pages Hello, I would like to allow the creation of a PDF only on certain pages, only via a shortcode. complaint Bad end offset error when using PDF files over 1MB

DearFlip worked for PDFs under 1 MB but showed a Bad end offset error for larger PDFs on Pantheon despite direct file URLs opening correctly.

DearFlip – PDF Flipbook, 3D Flipbook, PDF embed, PDF viewer · The plugin works as expected if the PDF file size is less than 1MB. Files over 1MB show a “Bad end offset” error. complaint a few issues – thumbnail and json string output

DearFlip thumbnails and initialization output failed inside a custom block using wp_kses, creating a blocker before the user would buy the full version.

DearFlip – PDF Flipbook, 3D Flipbook, PDF embed, PDF viewer · plan on paying for the full version here if we get it working mixed Chinese character issue

Chinese character issue: users show bugs, support pain that may indicate a product gap.

PDF Generator for WordPress · Chinese character issue If I am adding Chinese character inside <strong> tag then In Pdf it print ? question Duplicate without user-selected canonical

Duplicate without user-selected canonical: users show bugs, support pain that may indicate a product gap.

PDF Generator for WordPress · Duplicate without user-selected canonical Hi, I get an error on Google Webmastertools for “Duplicate without user-selected canonical” for all links to the link to download the PDF generated. question No working on password protected staging site

No working on password protected staging site: users show bugs, support pain that may indicate a product gap.

PDF Generator for WordPress · Thanks Hello, Can you please share the screenshot or the video of the issue so that we can help you in a much better way. mixed Old version of dompdf used in the plugin

Old version of dompdf used in the plugin: users show bugs pain that may indicate a product gap.

PDF Generator for WordPress · Hello, We will review the Dompdf library version currently bundled in the plugin to verify the issue. mixed Prevent ?action=genpdf&id= page from being indexed by google

Prevent ?action=genpdf&id= page from being indexed by google: users show support pain that may indicate a product gap.

PDF Generator for WordPress · Prevent ?action=genpdf&id= page from being indexed by google Hello, Thank you for this great plugin ! complaint Links in PDF don’t work in flip book

Links embedded in PDFs do not work in the free flipbook viewer, and support said link handling is only available in the full version.

DearFlip – PDF Flipbook, 3D Flipbook, PDF embed, PDF viewer · inside the flip book, you don’t even get the hand cursor when hovering over the link text complaint Odd characters in header after last update

A PDF Generator for WordPress update introduced visible stray characters in the site header, forcing the user to deactivate the plugin.

PDF Generator for WordPress · It goes away when we deactivate the plugin. mixed unable to load three.js

DearFlip stopped loading three.js for logged-out visitors because another optimization plugin wrapped globals, and a vendor patch fixed it.

DearFlip – PDF Flipbook, 3D Flipbook, PDF embed, PDF viewer · The patch helped to solve the problem. complaint Zoom-in not sufficient on mobile screen

DearFlip's mobile zoom limit made the PDF text too small to read, even though desktop zoom levels were sufficient.

DearFlip – PDF Flipbook, 3D Flipbook, PDF embed, PDF viewer · Zoom-in mobile : max. 2x with single page layout ... the text is far too small to be readable