r/pdf

▲ 3 r/pdf+3 crossposts

New Find and Replace Feature for my PDF editing site

I added a small feature for Find and Replace for quickpdfeditor.com, you can search text replace some of the words, add styling and also you can bulk replace.
I am enhancing it daily based on users requirements.
Let me know what you all think about this and any suggestions you have.

FYI this is completely safe and secure since all editing happens in your browser, no data uploaded or stored, all happens locally.

u/FillNo4074 — 3 hours ago
▲ 6 r/pdf

I'm looking for a practical PDF reader/editor for everyday use

I currently use Nitro PDF 14 which I paid for for a perpetual license.

They now have Nitro 26 which is only with a subscription license monthly or annual. I assume that means no more security updates for Nitro 14, which they don't really specify.

Same goes for Foxit PDF. There is a 3 year license for like $209 but after 3 years I assume no more updates.

Is there one that I can just pay for, it'll be the latest version and be done with it with updates?

I hear PDF X-Chnage is good. I need it for windows only. Nothing crazy. Just basic use. Fill out forms, sign forms and expect the forms to look correctly on the screen.

Any recommendations?

reddit.com
u/the_nuclear_pasta — 1 day ago
▲ 3 r/pdf

Doing offline PDF translation of high-quality scans without heavy local LLMs (weak hardware) - what's the best workflow?

I need to build a 100% offline workflow to translate difficult PDF files (good quality scans). Since my hardware is too weak to run local LLMs efficiently, I am looking for alternative methods. Would a two-step process (Offline OCR engine like Tesseract + an offline translator) work well for keeping formatting, or is there a more efficient offline method for this scenario?

reddit.com
u/Full_Bother_319 — 1 day ago
▲ 3 r/pdf+1 crossposts

Tengo un montón de documentos individuales para convertirlos en un único PDF, sin orden ni diseño, solo unirlos ¿Hay alguna IA o programa que haga esto?

Lo que quiero es crear un único pdf para luego subirlo a una IA y que los analice. No se si lo que estoy preguntando es muy difícil o muy fácil u otra cosa ¿Alguna ayuda consejo?

EDIT.- SOLUCIONADO. ¡GRACIAS!

reddit.com
u/theairscout — 2 days ago
▲ 1 r/pdf

Where can I translate PDFs larger than 10MB for free?

I have two PDFs, each over 10MB, in English that I need to translate into Portuguese, but all the websites I've tried either reject them because they're too large or require me to create an account. Does anyone know of an alternative?

reddit.com
u/OwlSeparatio — 2 days ago
▲ 1 r/pdf

Looking for a desktop software recommendation, merge/combine function only, needs to be fast and light.

I am looking for a VERY simple piece of widows desktop software to merge PDFs, the main purpose I need it for is to combine multiple PDFs into one PDF. That's it. But with the rise of cloud software, desktop software is hard to find.

I'd like to be able to see small previews of each page and be able to drag and drop their order. But other than that, that's really all I need and it needs to be FAST and LIGHT. Acrobat is a ridiculous over-bloated RAM pig, so don't want to use that. The Acrobat online combiner has been great, and I use it often, but that's all dependent on cloud data speeds, so sometimes it's quick, sometimes it's slow. I use this to quickly create two page duplex PDFs for printing.

I don't mind if it cost a little money, or if its free, either is fine.

And to the mods, I'm trying to be specific as possible in my request. It's pretty simple, and the reason I'm asking here is because I'm sure what I need is some shareware from 2004 that just work perfect and is simple.

reddit.com
u/vonroyale — 2 days ago
▲ 2 r/pdf+1 crossposts

.Zip to PDF

I want to convert my exported chats for zip file to pdf file so that it's easy to go through and it also includes images but I cannot do it idk why I tried many online tools, they are just not working and when I upload a file for conversation it's just stuck and not able to go to next step. I'm very much irritated by trying many tools for many times for like a week onwards

I even tired in reddit if I can get any info but there's very little about this which is useless anyways. So does anyone know how to do this or any great online tools which works

reddit.com
u/Bluwhale00 — 3 days ago
▲ 1 r/pdf

Best PDF editor for find and replace

I haven’t had touched PDF editors for awhile only own some basic PDF readers … so really need help asap …

I have a paper I need to submit and change the a word that appears 300 times into all CAPS instead of lower case, however, also don’t have the same windows TrueType font that’s embedded in the pdf cuz I don’t use windows …

Any ideas? And what could be the workout around the embedded fonts that won’t let me edit

reddit.com
u/chronicalpainpain — 3 days ago
▲ 4 r/pdf+1 crossposts

Exploring Poppler internals for a Dark Reader feature in Okular

I was experimenting with adding a Dark Reader–style mode to Okular for PDF documents.

The goal was to darken the page while keeping embedded images untouched. The existing accessibility color modes recolor every pixel, so photos, screenshots, and other raster images also get inverted or recolored, which isn't ideal.

My first implementation worked by post-processing the rendered page. Since Poppler gives you a flattened bitmap through renderToImage(), I used a simple chroma heuristic: recolor near-grayscale pixels (assuming they're text/background) and leave colorful pixels alone. It actually worked reasonably well, but grayscale or muted-color images could still get recolored, which is an unavoidable limitation of that approach.

So I tried to be more hacky. 

Instead of modifying the final rasterized image, I tried working inside Poppler before everything gets flattened. From what I understood, poppler-qt6 only exposes Page::renderToImage(), but Poppler's core library has the OutputDev API (SplashOutputDev, CairoOutputDev, etc.), where the renderer still knows whether it's drawing text, vector graphics, or embedded images. My idea was to hook in there so I could recolor only text/vector content while leaving raster images completely untouched.

Unfortunately, I couldn't get it working the way I wanted. The result was basically just a grayscale/black-and-white rendering instead of the Dark Reader–style effect I was aiming for.

Has anyone here worked with Poppler's OutputDev API or implemented something similar? Is this the right direction, or is there a better approach for separating text/vector content from images during rendering?

The code is here if anyone is curious or wants to point out where I'm going wrong:
https://github.com/JustBipin/okular

Note: I'm not familiar with the C++ ecosystem at all, so I leaned pretty heavily on Zed Editor's free AI to help build the feature. I eventually ran out of free usage though. 😿 Any guidance from people who know Poppler or Okular's rendering pipeline would be greatly appreciated.

u/Consistent_Art1010 — 3 days ago
▲ 38 r/pdf+2 crossposts

I'm working an e-reader that lets you visualize your notebookLM analyses

My goal is to create the best e-reading experience that lets you read and assist yourself with AI research tools.

Feel free to check out an interactive demo at https://demo.usemidnight.app/

u/Granolayum — 4 days ago
▲ 3 r/pdf+1 crossposts

My PDF has comments (indicated by highlights), but their text does not show up. Ideas?

Hi, everyone! My issue is pretty much as the title says.

A journal article I am working to publish was peer-reviewed, and I received feedback in the form of comments on a PDF (pretty standard stuff, I've had similar feedback before). The editor sent the same PDF to two of my email addresses (one institutional/Outlook, one Gmail). When opened, you can see the purple comment-highlights in both PDFS. However, I cannot read the comments themselves. Hovering over the highlights does not work, nor does pulling up the comments panel in PDF software. I was wondering if any of you would have solutions.

Here is further info about my situation:

What I’ve tried:

Email: Outlook, Gmail

Web browsers: Chrome, Safari, Edge

PDF software: Acrobat, PDF Gear

Firmware: MacOS

Windows was also briefly tried but nothing there as well

If this gives any clues, I contacted the editor and he recognized the same problem but found a workaround:
"I don't get why, but if I open up the file as an attachment, open it up on a browser window, I can open up and see the reviewer's comments (clicking on the comments tab on the right).  But when I download it and open it up as a PDF on my computer and do the same thing, the comments don't come up."

reddit.com
u/DHB_Master — 2 days ago
▲ 1 r/pdf

Why do people still pay for PDF tools when so many are free?

These days, there are plenty of free PDF apps and websites that let you edit, merge, split, compress, convert, sign, and annotate PDFs.

For those of you who pay for a PDF app or subscription, what makes it worth the cost?

I'm not asking about privacy or enterprise/company use. I'm interested in the features or benefits that free tools can't provide.

What made you decide to pay instead of using free alternatives?

reddit.com
u/aw_nitin — 4 days ago
▲ 0 r/pdf

plssssssssss help mee

I'm have 16-17 pdfs of avg size 250 mb (they are already compressed) , I need to do solid OCR with advanced ai, firstlt I was thinking mistal OCR but I dont know how to use it, then pdf element is taking forever to do batch ocr. then I thought via gemini but it required pdf upto 100 mb. there is not free site which can convert my huge pdfs into 100 mb atleast . pls help me.

reddit.com
u/InternalConnection95 — 3 days ago
▲ 40 r/pdf+7 crossposts

Purchase Order Automation in n8n – extract PO data straight into a Google Sheet [Workflow Included]

👋 Hey n8n community,

Last week I posted a workflow I built for a friend who runs an online shop (find it here). He called me again a few days later with a new headache: he's drowning in Purchase Orders. Every single one gets opened by hand, the data typed into a Google Sheet, and that sheet uploaded into his ERP to update his numbers. Hours a week, pure copy-paste.

So I built him something to kill that step. He uploads the PO PDFs through a simple n8n form, and a structured Google Sheet comes out the other end. He just downloads it and pushes it to his ERP.

How it's set up:

The form accepts multiple PDFs at once, so he can batch a whole stack instead of doing them one by one. Each PO loops through on its own so nothing gets jumbled.

The extraction runs on the easybits Extractor node (@easybits/n8n-nodes-extractor). I set the field structure up in two parts: the header fields that appear once per PO (PO number, PO date, delivery date, mark for, PR number, reference no), plus an articles array for the line items, each holding article name, unit and quantity. That array is the key bit, it gives you one entry per row of the PO table, and I flatten it into one sheet row per article with the header details repeated on each.

Two things I added because real documents are messy:

Error flagging. If any field comes back empty, the completion screen lists which document and which field didn't extract cleanly, so he knows exactly which PO to double-check instead of trusting it blindly.

Document name column. The original filename lands in the sheet next to every row, so if a number looks off he can jump straight back to the source PDF.

Workflow JSON is on GitHub: https://github.com/felix-sattler-easybits/n8n-workflows/blob/c38749a68fd6ea4ae6ebff41789d35cceaacdef1/easybits-purchase-order-extractor-workflow/easybits_purchase_order_extractor_workflow.json

I also made a short video showing how the workflow works.

Anyone else automating document-to-sheet data entry? Curious how you're handling the messy multi-line rows – that was the trickiest part to get right.

Best,
Felix

u/easybits_ai — 4 days ago
▲ 4 r/pdf+1 crossposts

Pdf viewer in linux that supports continuous horizontal scrolling

I want a pdf viewer that supports continuous horizontal scrolling like in Firefox, not two page facing vertical scrolling I've tried many apps but none have this feature. Anyone has any recommendations that are offline and not browser based ?

reddit.com
u/maxsean100 — 4 days ago
▲ 1 r/pdf

Why do free PDF tools always upload your files to a server? Built one that doesn't.

Tried compressing a confidential contract online. Every free tool I found either uploaded the file to their servers, added a watermark, or hit me with a paywall after 2 clicks.

So I try to built PDF tools that run entirely in your browser — file never leaves your device, no account, no watermark.

Currently covers the basics: compress, merge, split, rotate, protect with password, convert to image.

Curious — does client-side processing actually matter to you, or is server upload fine for non-sensitive files?

reddit.com
u/Storytellerchandra — 5 days ago
▲ 12 r/pdf+3 crossposts

Cast PDF documents directly from your phone to your TV or any Google Cast device without the awkwardness of screen mirroring.

Check it out here.

u/drunkaccountname — 4 days ago
▲ 1 r/pdf

I want some help

I have a pdf of 63 mb consisting 112 pages of handwritten notes. I want to convert them in digital text. And will give the text to gemini to make a well structured pdf. I can't find any app/tool to scan all the 112 pages correctly. I just want the digital text from the file. I use phone btw.

reddit.com
u/Lazy-lad_07 — 5 days ago
▲ 0 r/pdf

Would you guys use another pdf platform other than ilovepdf dot com?

So i was thinking of building a pdf tool website with similar features as ilovepdf dot com but fully private not a claim like we delete your files in an hours or so.

So my question is would you guys use it if it doesn't ever touch a single server?

Would this be better alternative than the mentioned website for professionals that need to keep their work private, i.e. researchers, legal professionals, accountants, etc.

If no then please let me know why so i can think accordingly.

reddit.com
u/SinDrafter101 — 5 days ago