this post was submitted on 29 Dec 2025
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Hi folks!

I’m the creator of BentoPDF. It is an open source PDF toolkit that runs entirely in your browser. Your documents stay private, by design.

BentoPDF started as a small side project, but over time it has grown into something much bigger. With our latest major update, BentoPDF now includes 100+ tools, all running fully client-side.

You can do the basics like merge PDFs(while preserving bookmarks), split documents, extract or delete pages, reorder files, rotate pages, and compress PDFs. Thee are also some advanced tools.

You can edit and annotate PDFs directly in the browser: highlight text, add comments, draw shapes, insert images, fill(including XFA) and create forms, manage bookmarks, generate tables of contents, redact, add headers, footers, watermarks, and page numbers.

BentoPDF also supports an extensive range of file conversions. You can convert Word, Excel, PowerPoint, OpenOffice, Pages, CSV, RTF, EPUB, MOBI, comic book formats, and many more into PDFs, and also convert PDFs back into Word, Excel, images, Markdown, CSV, JSON, and plain text.

For images, BentoPDF supports a massive variety of formats, including HEIC, WebP, SVG, PSD, JP2, and and aalso other formats such as EPUB, CBR/CBZ. You can convert images to PDFs, extract images from PDFs in their original format, or rasterize PDFs with full DPI control.

There are also organization and optimization tools: OCR, PDF/A conversion, booklet creation, N-up layouts, page division, attachment management, layer (OCG) editing, metadata inspection and editing, repair tools, and advanced compression algorithms that rival commercial solutions.

The latest update also includes AI ready extraction tools to export PDFs to structured JSON, extract tables as CSV/Markdown/JSON, and prepare PDFs for RAG and LLM workflows.

All of this works entirely in the browser, without accounts, uploads, or tracking.

This is my first post here and I hope you like it. Any feedback or feature requests are appreciated. Thank you.

Github Link: https://github.com/alam00000/bentopdf

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[–] USSEthernet@startrek.website 1 points 15 hours ago (1 children)

So just got this up and running yesterday and today my wife used it for the first time. She did what she needed to do, but we may have come across a bug. I don't know. She had to take a 72 page PDF and break it out into multiple smaller PDFs. While she was doing that, multiple pages in the preview window would keep going blank/white. Not sure if you're aware of something like that, if not I can try to reproduce and grab logs and post them on github.

[–] alam@lemmy.world 1 points 6 hours ago

yes please that'd be helpful

[–] Blackmist@feddit.uk 176 points 3 days ago (4 children)

Can it also redact text from documents without allowing you to just copy and paste it back out again?

Asking for a friend.

[–] alam@lemmy.world 86 points 3 days ago

Yes! It performs true redaction. You can find it in the editor tool

[–] JGrffn@lemmy.world 60 points 3 days ago (1 children)

It is a civic duty to redact certain papers incorrectly.

[–] Bazoogle@lemmy.world 19 points 3 days ago

Certain files, involving a certain island.

[–] irmadlad@lemmy.world 11 points 3 days ago

@Blackmist@feddit.uk works for the NCA. LOL

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[–] NullPointerException@lemmy.zip 25 points 2 days ago (1 children)

The day I can digitally sign PDFs from this, it'd be the PDF editor. You're doing the Lord's work, thank you very much for this!

[–] alam@lemmy.world 34 points 2 days ago (2 children)

It's actually coming up in next release (: You will be able to sign with PKCS12, PFX and PEM certificates. And also validate them

Oh, wow, thank you very much for this!!

[–] biotin7@sopuli.xyz 3 points 2 days ago (1 children)
[–] alam@lemmy.world 4 points 1 day ago (1 children)
[–] biotin7@sopuli.xyz 2 points 1 day ago

Well now I am even more interested in it.

[–] electric_nan@lemmy.ml 2 points 1 day ago (1 children)

Thanks for this! I saw this post yesterday, and decided to check it out. I installed it locally on my laptop, and am evaluating it for work. If I recommend it for use, we'll get a license :).

Since the idea would be to replace Adobe for non-Pro (and maybe some Pro accounts), ease of use for low-tech users is at the front of my mind. Not being able to "set as default" for PDFs is not ideal, but I understand the limitation comes from running in the browser. Is there some way to open the PDF, and then choose which tool to use? Rather than how it seems now: choose the tool/function, then upload the PDF.

[–] alam@lemmy.world 2 points 1 day ago

In next week we are going to be releasing Desktop apps, so you can download it and then set as default viewer

[–] tburkhol@lemmy.world 67 points 3 days ago (2 children)

Great project. I like the 1-star reviews complaining about the lack of advertising and tracking.

[–] alam@lemmy.world 23 points 3 days ago

haha thanks

[–] JigglySackles@lemmy.world 4 points 2 days ago

Lol wait seriously? Surely those are a joke.

[–] mrsilkworm@piefed.social 31 points 2 days ago (1 children)

You're doing the lords work my dude. There are not enough ways to thank you for your work

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[–] cRazi_man@europe.pub 61 points 3 days ago (3 children)

I use this already. Works great. Thanks for your hard work on this.

[–] alam@lemmy.world 23 points 3 days ago

Glad it helped!

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[–] TheFinn@discuss.tchncs.de 13 points 2 days ago (4 children)

Are there ways to use it via an API? In particular I'd love to be able to programmatically submit a Word or Excel document and receive a PDF back

[–] alam@lemmy.world 8 points 2 days ago

As its fully client side, it doesn't expose any APIS. HOwever, I am writing an API only version of bentopdf on Rust

[–] Passerby6497@lemmy.world 7 points 2 days ago* (last edited 2 days ago) (1 children)

Agreed. I spent a bit of time writing out a script for similar functionality for one of our business units, but I never was able to figure out how to convert excel sheets to a PDF to be able to merge them in the allotted time, so it just doesn't support them lol.

But I can see why it wouldn't have an API, since the whole deal is it stays in your browser, and an API would mean sending the files to the server.

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[–] CtrlAltDyeet@anarchist.nexus 8 points 2 days ago (1 children)

Thank you so much for your amazing work! I had to sign something a few weeks ago on a new PC and Bento is so easy

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[–] rotkehlchen@sh.itjust.works 30 points 3 days ago (1 children)

Thank you so much. Why did you start this project, which certainly involves a lot of work? ( aka why are you so cool?)

[–] alam@lemmy.world 34 points 3 days ago* (last edited 3 days ago) (1 children)

Thank you! It started off as a simple tool as I wanted to merge PDFs visually by applying page ranges and I couldn't find any offline tool for that. I happened to then post it on reddit, and people asked me to open source it. After which I kept adding features on request and here we are 😂

[–] rotkehlchen@sh.itjust.works 7 points 2 days ago (1 children)

You're great for making this so everyone can use it. Thank you

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[–] USSEthernet@startrek.website 2 points 1 day ago* (last edited 15 hours ago)

Saw this as an option in TrueNAS earlier and will probably be standing this up when I get home today. I was curious about the difference between this and Stirling, but that appears to have been answered. Thank you for what you do and I'll definitely give it a try.

Update: got it up and running. Works great. Wife deals with PDFs a lot and she loves it. Thanks again!

[–] Konraddo@lemmy.world 3 points 2 days ago (1 children)

Some features seem to limit the working area to only the middle part of the browser. For example, the Multi Tool use 100% width but the Editor uses 33% only. Would love to see all features making full use of the screen size.

[–] alam@lemmy.world 3 points 2 days ago (1 children)

There is a use full width toggle which you can find under preferences in setting button in the search bar. I will make this the defult in next release

[–] Konraddo@lemmy.world 2 points 2 days ago (1 children)

Perfect! Honestly though, I would expect the gears icon to appear in the top right corner, not in the search bar😅

[–] alam@lemmy.world 2 points 2 days ago

Yeah I couldn't find a good place to put it lol

[–] stephaaaaan@feddit.org 15 points 2 days ago (1 children)

What I would love to see is batch processing of mapped form fields from a PDF template, e.g. to fill out training certificate template pdfs with name, date, company, and instructor from a given CSV file, add a signature and print it. Is something like that possible? 🙂

We currently use nodered, python and reportlab and I‘m looking to somewht simplify the process :)

[–] alam@lemmy.world 5 points 2 days ago (1 children)

That's interesting. I will see what I can do

[–] stephaaaaan@feddit.org 3 points 2 days ago

Awesome, thanks :)

[–] Lemminary@lemmy.world 21 points 3 days ago* (last edited 3 days ago) (1 children)

I've used it before for a job application! I needed to send them sensitive data. Tysm!

Great intuitive UI, does what it says, and it's fast. 5/5

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[–] Lowlands@lemmy.world 29 points 3 days ago (5 children)

Been using this for a while now, wife and kids are also very pleased with it. Easy to use and great layout, thank you so much!

[–] alam@lemmy.world 16 points 3 days ago

wow, that's great to know

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[–] Limeade3425@lemmy.zip 21 points 3 days ago (1 children)

Thank you so much for this. We just started using it at our school. We were using StirlingPDF, but they went open core 🫤. Personally, I like that there is no auth, it keeps it simple.

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[–] Codename_goose@sh.itjust.works 5 points 2 days ago (1 children)

a small question, if I may.

When I worked in technical support for a popular phone brand a lifetime ago, I had to make clickable “navigatable” pdfs. Create empty objects around apps and settings so that technicians could help clients without having access to their phone or device with current OS update. I would update mine and take screen shots then convert those with clickable objects to switch to the correct page to act as a sudo phone/tablet. Is this something that BentoPDF can do?

[–] alam@lemmy.world 2 points 2 days ago

Currently there's no such feature

[–] flightyhobler@lemmy.world 20 points 3 days ago (10 children)

I've used Stirling pdf in the past. How does it compare?

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[–] DrunkAnRoot@sh.itjust.works 8 points 3 days ago (1 children)

love it been hosting mine for close to a month now

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