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Using PdfTable from SlapKit.PDF. How do I change a specific cell's background color? I setup my table as shown below. There is no problem there. This causes them to have a single uniform color. ...
BigGapave's user avatar
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0 answers
35 views

Consider the following PDF which contains this image: Now I would like to compress the PDF using GhostScript by running this command: "C:\Program Files\gs\gs10.06.0\bin\gswin64c.exe" -...
robertspierre's user avatar
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5 votes
1 answer
81 views

My question is I am trying to check a letters precise x, y so I can find if it's getting too close to a border I drew on the PDF. Code is below good for most cases, but some fonts have ascents and ...
Arlon Jakal's user avatar
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1 replies
10 views

I’m working on a backend process where I need to: Fetch a PDF document from a third-party API Extract a small, known set of numeric values from the document Feed those values into deterministic ...
James Burch's user avatar
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1 vote
0 answers
59 views

I’m building a PDF anonymization feature: Frontend: PDF.js viewer where user draws blackout rectangles on a page. Backend: iTextSharp to draw black filled rectangles (anonymize). If the pdf has Rotate ...
user27910466's user avatar
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-3 votes
0 answers
41 views

I have extracted content from a scanned pdf using paddle OCR , I got the coordinates in this .I wanted to obtain the output by preserving the pdf's layout . But I didn't get. I tried taking the median ...
SAI SIVA RUBHA's user avatar
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0 votes
0 answers
47 views

I am trying to parse the pdf and align the content, but I am facing issue while parsing. It reads line by line so I am not able to extract the content present inside that section. Expected content for ...
Abinash abi's user avatar
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1 vote
1 answer
72 views

I am using pdf pig to extract text from a user uploaded PDF. Purpose being to save time for manual reentry. The files are consistent enough to use this approach and search for identifiable keyword ...
Michael Yamokoski's user avatar
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0 votes
0 answers
67 views

I am trying to integrate a external signature into a PDF using Apache PDFBox. I get the signature from an external service, which I call based on a base64 encoded SHA256 String from my pdf content. As ...
Visez Frunze's user avatar
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Tooling
1 vote
3 replies
144 views

I want to create a math worksheet pdf, but chatGPT gives me either a poorly formatted word doc, or it gives me latex code, and I don't know how to run latex. I know gemini can you can use the canvas ...
Pulkit Agarwal's user avatar
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0 votes
0 answers
55 views

I am using DSS 6.0: <dependency> <groupId>eu.europa.ec.joinup.sd-dss</groupId> <artifactId>dss-pades</artifactId> <version>6.0</version> </...
Shahid Ghafoor's user avatar
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-1 votes
2 answers
88 views

I am trying to compress the PDF (to reduce its storage size) and using following code but instead of decreasing storage size, it is increasing it: import Foundation import PDFKit import CoreGraphics ...
Malwinder Singh's user avatar
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0 answers
70 views

I'm attempting to use pdf-lib to reprocess an existing PDF. Specifically, I'm modifying the content streams inside that PDF. The idea of my project is to force PDF/UA, and possibly PDF/A-1 later, ...
Jason's user avatar
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1 vote
4 answers
191 views

I am trying to process text for quantitative text analysis. I need to read in pdfs of transcripts from WHO plenary meetings and process the text into a speaker turn dataframe, identifying the speaker ...
flâneur's user avatar
  • 363
1 vote
0 answers
73 views

I'm generating PDF form from HTML (WeasyPrint), filling the AcroForm fields with pypdf, then merging that page into a 4‑page template. However, when the data contain parentheses, pdf viewers (browser, ...
Yaourt's user avatar
  • 113
1 vote
1 answer
165 views

I have two questions about the sample tmap code below. How would I make the tmap fill the entire page width? How to avoid generating the blank 1st page? I've tried grid.arrange and I was able to ...
Nick Bear's user avatar
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0 votes
1 answer
136 views

simple web app to use for pdf chunking I’m using the pdf-lib npm package to crop and manipulate PDF files. My goal is to: List item. Crop multiple horizontal slices from each page. Re-export those ...
Crow V's user avatar
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Advice
1 vote
5 replies
129 views

I need to build an API (in any language — Python, Node.js, or .NET) that accepts a PDF file and returns the digitally signed PDF. The signature must be done using my eMudhra Digital Signature ...
Wanda Maximoff's user avatar
  • 21
-1 votes
1 answer
78 views

I am attempting to save a pdf file from an editor I have put together at my website (aimed at movie scripts incidentally), and in putting together the css for the page, I insert css rules using ...
Ben Cahan's user avatar
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Advice
0 votes
6 replies
122 views

I want to programatically determine whether checkbox is checked or not in a PDF. I have tried Tesseract & Google cloud vision API with Full Text Detection & Label Detection and could't find a ...
Saumini Navaratnam's user avatar
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0 votes
1 answer
139 views

I’m trying to find out whether it is possible to create a PAdES-LT certification signature while setting the DocMDP permission level to 1 (No changes allowed). I’ve tested adding the DSS in the same ...
krillov's user avatar
  • 139
Tooling
0 votes
1 replies
47 views

Question I’m using ngx-extended-pdf-viewer to render PDFs inside an Angular application. I need to let users highlight text in the PDF, save those highlights as “references”, and later click a ...
Brayden de Koning's user avatar
  • 7
3 votes
1 answer
251 views

I use my custom Persian font in jsPDF, but characters for this font show me wrong. I hear The IranNastaliq font uses the 'cswh' feature for such ligatures. 'cswh' is default-off according to the ...
Chris Sermanni's user avatar
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Best practices
0 votes
2 replies
97 views

I wish to display in an html page and control its scrolling, the image of a pdf hosted on a server. I am currently using Mozilla’s pdf.js scripts, which work well for pdf files stored on my computer. ...
jean-marie Detrey's user avatar
  • 1
Best practices
1 vote
6 replies
119 views

A smart PDF is given. Adobe LiveCycle Designer ES 10.0 PDF https://mfinante.gov.ro/documents/2552173/3124827/ALOP_DocumentFundamentare_V03.pdf It's even more special, it has 2 different sections A and ...
Daniel's user avatar
  • 29
3 votes
1 answer
111 views

I am processing a set of PDF files using Python. From each PDF I need to extract several monetary amounts and then write them to an Excel file. The problem is that in the PDF the decimals are written ...
Larisa Palimaru's user avatar
  • 31
1 vote
1 answer
81 views

I am building a client-side application ("SpeakFlow") that takes large PDF files, processes the text in chunks using an LLM to generate Markdown, and then compiles those chunks back into a ...
Chirag Singhal's user avatar
  • 103
Tooling
2 votes
1 replies
67 views

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 ...
user31898390's user avatar
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0 votes
0 answers
77 views

I am confused about generating the PDF. I have a case Table of content A-1 .......................................................................... 2 B-2 ..............................................
LihnNguyen's user avatar
  • 883
Tooling
1 vote
3 replies
103 views

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 ...
marskernel's user avatar
  • 1
0 votes
0 answers
51 views

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 ...
Arpit Lathiya's user avatar
  • 11
3 votes
3 answers
197 views

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 ...
nex0's user avatar
  • 33
Advice
1 vote
0 replies
35 views

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 ...
Ichi's user avatar
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Advice
0 votes
6 replies
147 views

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 ...
Darren Murtagh's user avatar
  • 567
1 vote
1 answer
97 views

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. ...
user30589464's user avatar
  • 136
Tooling
1 vote
3 replies
76 views

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 ...
AsrtoMichi's user avatar
  • 36
Tooling
0 votes
1 replies
71 views

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 ...
Tracy's user avatar
  • 3
2 votes
1 answer
92 views

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. ...
Bubu's user avatar
  • 21
0 votes
0 answers
92 views

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 ...
Kenil Mangukiya's user avatar
  • 1
3 votes
1 answer
112 views

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 ...
Marwan Hashem's user avatar
  • 33
3 votes
1 answer
228 views

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 ...
user2813606's user avatar
  • 961
-1 votes
1 answer
114 views

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 ...
he who remains's user avatar
  • 9
Best practices
1 vote
3 replies
74 views

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…)
Adler's user avatar
  • 2,907
2 votes
0 answers
120 views

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 ...
BalooRM's user avatar
  • 514
0 votes
1 answer
90 views

When I open a PDF file via a normal link (e.g., https://unec.edu.az/application/uploads/2014/12/pdf-sample.pdf), Chrome opens the PDF in the same tab with Chrome's integrated PDF viewer component. In ...
bar2's user avatar
  • 10
1 vote
1 answer
114 views

I'm working on a program to create a PDF of all TrueType fonts. The program causes an error relating to the Tooth&Nail.ttf font which prevents the PDF from being created. Other fonts produce ...
ckx's user avatar
  • 130
0 votes
0 answers
140 views

I'm building a custom React-based PDF editor and signer using react-pdf and pdf-lib. The editor (PdfEditor.tsx) lets users drag-and-drop fields (Signature, Email, Date, etc.) on a PDF canvas. Later, ...
KINETIC's user avatar
  • 33
0 votes
0 answers
81 views

I need to remove digital signatures from a PDF, but "print" the signature to the content beforehand (like print to "Microsoft PDF Printer" - print all Metadata and Signatures). In ...
Andreas Radakovits's user avatar
  • 1
1 vote
2 answers
201 views

I've been using Playwright to generate a document from HTML code with a table of content corresponding to the H1-6 tags I'm using. I was hoping that bookmarks in the PDF would be generated from those ...
Pierre Gidel's user avatar
  • 11
1 vote
1 answer
151 views

I’m using a link to open a PDF file hosted on SharePoint (or any other web location) and I want it to open directly at a specific page. For example: https://example.com/myfile.pdf#page=5 On Windows ...
Meir's user avatar
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