22 questions from the last 30 days
Tooling
2
votes
1
replies
46
views
How to reduce memory consumption when processing PDFs with large embedded images using PDFBox?
I'm using Apache PDFBox to process PDFs that contain very large, embedded images (e.g., 6538x6570px = ~163MB when decompressed). The service consumes 290-446MB of memory during conversion, causing ...
0
votes
0
answers
42
views
How to add [page] , [topage] in the body of PDF [closed]
I am confused about generating the PDF. I have a case
Table of content
A-1 .......................................................................... 2
B-2 ..............................................
- 883
Tooling
1
vote
3
replies
87
views
Convert complex pdf to an excel
I'm currently searching for a solution to read a pdf and convert it to an excel.
For now I found the "tabula-py" library, which seems to be good. But I'm not quite sure because the pdf has ...
0
votes
0
answers
31
views
DinkToPdf / wkhtmltopdf prints only 19 pages even with 64-bit DLL
I am generating a PDF in ASP.NET Core using DinkToPdf (wkhtmltopdf wrapper).
My HTML report is around 20+ pages, but the generated PDF always stops at 19 pages. It never prints the full content.
PDF ...
-4
votes
0
answers
55
views
Convert PDF to DOCX in Python with tagging, but superscripts (FN) are misrecognized as subscripts during the process
I was converting pdf to docx using python along with tagging the Paragraphs(for e.g. [P20],[B44] like this ), emphasis( which are <EM>, <EMB>... like this has to be tagged) but I'm unable ...
- 1
1
vote
1
answer
101
views
Storing biometric data in a PDF without breaking the digital signature
I'm developing a tool that stores a signer's biometric data inside a PDF together with the digital signature, but I'm unsure where this information should be embedded.
The biometric data is captured ...
- 11
Advice
1
vote
0
replies
31
views
Sending pdf from mail.google.com via mail-sending service
I have a question.
I need to create a new email at mail.google.com, enter the recipient name, upload a PDF, and send it. The recipient should receive the converted PDF.
To do this, the email must pass ...
- 67
Advice
0
votes
6
replies
113
views
MS access Split report and export each row as a PDF
I am completely new to Visual Basic as a coding language coming mainly from Java and SQL but rusty in both of them
in current role I am working with more Microsoft Access Databases but I need to ...
- 593
1
vote
1
answer
51
views
How do I speed up pdf2docx?
Right now, I have very simple code which takes a pdf, and turns it into a docx file at the same path with the same name.
However, with larger pdfs over 100 pages, it's taking over a minute to convert. ...
- 84
Tooling
1
vote
3
replies
63
views
Optimized convertion SVG in to PDF
I have a hundred SVG files that I want to distribute. To make it easier, I converted them into a single PDF. However, since the SVG files define some paths that are used many times, during the ...
- 36
0
votes
1
answer
29
views
“Invalid Order” error when generating second custom PDF template
I’m using the WooCommerce PDF Invoices & Packing Slips plugin by WP Overnight.
I’ve successfully:
Created a second custom PDF template (a voucher version without
prices).
Added a button on the ...
- 303
-4
votes
1
answer
79
views
How to get the a header and footer to not overwrite the text of the main section using @page when converting from html to pdf and more than one page [closed]
I am trying to use CSS to create a PDF document from an HTML document. I need to have a header and a footer on each page when there are one or more pages. The problem I have is that the header and ...
1
vote
0
answers
117
views
How to convert paths in pdf file to text [closed]
pdf files does not contains any image, nor text. The text visible on the page is rendered as Path.
Tried PdfPig (https://github.com/UglyToad/PdfPig) using
using PdfDocument document = PdfDocument....
- 28.2k
Tooling
0
votes
1
replies
65
views
How to add interactive components like button/input on top of PDF in Angular?
I am trying to create a UI when user click 'Sign' button, it will show a pop up modal with a PDF content display. I want to add a button on the sign field of PDF, if user click on it a sign pad appear ...
- 3
2
votes
1
answer
83
views
How can I make pdfcrowd script to save on Windows Downloads Folder instead of the site folder [closed]
I am trying to create a page with pdfcrowd, which works well. The issue I have is that it saves the created PDF file inside the site folder.
I want it to save to the Windows Downloads Folder instead. ...
- 29
0
votes
0
answers
37
views
Cloudinary error: "Customer is marked as untrusted" or "Blocked for delivery" when accessing uploaded PDF files
I’m using Cloudinary to upload documents (PDFs, ZIPs, etc.) from my Next.js app.
The upload succeeds, but when I try to access the file via URL like:
In the Cloudinary Media Library, it says:
Access ...
3
votes
1
answer
93
views
"Cannot access a closed Stream" when trying to return PDF from controller using iText
I'm trying to copy pages from an existing PDF to a new one and return it. I'm writing to the new PDF with memory, but it returns an error stating
Cannot access a closed Stream.
Here is my code:
var ...
3
votes
1
answer
205
views
How to extract table from PDF with boxes into pandas dataframe
I have code that detects a table in a PDF that appears after a specific section, and parses the information in the table and copies it into a pandas dataframe.
Now, I want to indicate whether a box is ...
- 963
-1
votes
1
answer
105
views
Swift / CoreGraphics: semicircular arc draws correctly but arrow pointer position/rotation doesn't match BMI value in exported PDF
I'm drawing a semicircular BMI gauge in a PDF using UIGraphicsPDFRenderer and UIBezierPath. The colored arc and labels render correctly, but the arrow pointer (which should point to the arc position ...
Best practices
1
vote
1
replies
51
views
How can I print very thin lines (e. g. 1/300 dpi) to PDF via Chrome? (Prevent rounding to full css-px)
I would like to print a 1/300 inch wide line with chrome (PDF). Unfortunately, the line is rounded up to a value of a css-pixel.
(It has to be Chrome [not PRINCE XML], due to some advanced features…)
- 2,887
2
votes
0
answers
113
views
Applying JavaScript formatting to IronPDF form using PyMuPDF
I am using IronPdf (2025.6.1.5) to create fillable PDF forms. This involves creating HTML forms and converting them to PDFs with IronPDF. I am post-processing the PDFs with PyMuPDF (1.26.4) to apply ...
- 524
0
votes
1
answer
156
views
How to fill in a PDF form with javascript
I have the following PDF https://www.dco.uscg.mil/Portals/9/NMC/pdfs/forms/CG_719B.pdf
I have tried a number of different ways to find access to the text boxes within code,
async function ...
- 8,739