
PDF Press
LockStep Tools
Adobe Acrobat DC
Pressbooks
Ultra PDF Merger
jPdf Tweak
Booklet printing
Easily merge large amounts of PDF files in any size or shape. Create your own layouts in a few simple steps. No technical knowledge required.

Deno
Full-stack Javascript Components for one-dev armies

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | filesplice.com | nullstack.app |
| Pricing | ||
| Platforms | — | |
| Company | 2023 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


A simple to use application that will merge large amounts of PDFs in cut and stack or step and repeat format. Functionality includes being able to create your own layouts for merging, automatically creating cover sheets with file names, adding crop marks and bleeds, setting page sizes for batches...
No description of Nullstack yet.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Nullstack yet.
Walkthroughs and reviews on video.
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Full-stack with Nullstack - Part 3
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing File Splice and Nullstack.
File Splice's answer
It's a simple solution for allowing a user to merge PDF files in whatever format they need.
File Splice's answer
It's lower cost, free support and easy of use.
File Splice's answer
Printing companies, production companies, anyone looking to merge a lot of PDF files and keep them organized. Especially in cut and stack format.
File Splice's answer
We've run a small to medium size web to print company for 20 years now. We've used several PDF imposition tools during that time but nothing was quite right. During the start of Covid we found ourselves with some time so we built the app we needed.
Just recently we released it for anyone to use with a small monthly charge to help cover our costs. Hopefully it can help someone and if you have questions or need help getting set up, let us know. Thanks.
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When comparing File Splice and Nullstack, you can also consider the following products.

Impose PDFs into print-ready booklets, N-up sheets, cards, labels and tickets. Preview live in your browser. Free to start, no install or file uploads.
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A secure runtime for JavaScript and TypeScript built with V8, Rust, and Tokio.
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Imposition software built for the shop floor, not the boardroom. Need a tool, send an email. Find a bug, we fix it together.
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Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
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Ultra PDF Merger is a freeware PDF utility that joins your PDF files, or part of them, together.
Compare Ultra PDF Merger to File Splice or Nullstack: