Guides, written by people who read the spec
10 guides on the PDF tasks people search for most, plus comparisons with the big online converters. No filler, no "simply", and no pretending a limitation does not exist.
Privacy and local processing
3 articlesWhat actually happens to a PDF when you hand it to a website, and how to tell a local tool from a server one.
- 4 min read
How to use PDF tools without an internet connection
Which PDF tasks work offline, why browser-based tools keep working after the first load, and how to prepare before you lose connectivity.
Read guide - 4 min read
Is it safe to upload PDF files online?
What really happens to a PDF when you upload it, the questions to ask any online tool, and how to check for yourself in 30 seconds.
Read guide - 4 min read
How to merge PDF files without uploading them
Merge PDFs with no upload, no account and no daily quota. How browser-based merging works, what it costs you, and when a server is still the better choice.
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Step-by-step guides
7 articlesThe tasks people search for most, written out in full — including the parts that usually go unsaid.
- 4 min read
How to compress a PDF without ruining it
Why most PDF compression is lossy, how to choose a setting that survives email scanners and print, and when compressing is the wrong move entirely.
Read guide - 4 min read
How to convert JPG images into a single PDF
Turn photos and scans into one ordered PDF, fix the two problems that ruin image-based PDFs, and keep file size under control.
Read guide - 4 min read
How to convert PDF pages to JPG images
Turn PDF pages into JPG or PNG images, choose a resolution that survives printing, and understand what you lose when text becomes pixels.
Read guide - 4 min read
How to delete pages from a PDF
Remove pages from a PDF without flattening the rest, handle the cases that trip people up, and know what deleting a page does not erase.
Read guide - 4 min read
How to merge PDF files into one document
Step-by-step guide to combining PDFs in the order you choose, what survives a merge, and the pitfalls that produce a broken output file.
Read guide - 4 min read
How to sign a PDF electronically
Add a visible signature to a PDF, understand the difference between an electronic signature and a digital certificate, and know when the difference matters legally.
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How to split a PDF into separate files
Split a PDF by range or into one file per page, understand what each mode produces, and avoid the naming mess that follows a bulk split.
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Comparisons
2 articlesHow this site differs from the services you have probably already used — including where they are the better choice.
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vs iLovePDF
An iLovePDF alternative that never uploads your files
An honest comparison of iLovePDF and PDF Kept: what iLovePDF does better, where the two differ on privacy, and how to check either one yourself.
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vs Smallpdf
A Smallpdf alternative with no upload step
How Smallpdf and PDF Kept differ, where Smallpdf is the better choice, and how to confirm with your own eyes which one uploads your document.
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