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See all guidesHow to Scan Documents with Your Phone and Get a Clean PDF
You don't need a scanner. With good light, the right angle and a scan filter, a phone photo becomes a crisp, lightweight PDF that offices and upload portals accept.
How to Make a PDF Small Enough to Email or Upload
Email providers and upload portals reject files above a size limit. Here is why PDFs get large and practical ways to bring them under the limit without making them unreadable.
How to Merge PDF Files Without Uploading Them Anywhere
Combine several PDFs into one document directly in your browser, choose the exact page order, and keep confidential files on your own device.
How to Split a PDF: By Page Range, Single Pages or File Size
A practical guide to the different ways of splitting a PDF, with examples of when to use page ranges, fixed blocks, single-page extraction and size-based splitting.
How to Turn iPhone Photos (HEIC) into a PDF
iPhones save photos as HEIC, a format many websites and computers don't accept. Learn what HEIC is and how to turn those photos into a PDF or JPG without extra apps.
PDF to JPG: Choosing the Right Resolution (DPI) for Screen and Print
What DPI means when you turn PDF pages into images, how many pixels you actually need for screens, social media and printing, and how to avoid blurry or oversized files.
About PurePDFKit
PurePDFKit is a free set of PDF tools that runs entirely inside your web browser. There's no upload, no account, and nothing to install — you open a tool, choose a file, and download the result. Every conversion happens locally on your own device using JavaScript, so your documents never leave your computer or phone. Read more on our About page, or see the Privacy Policy for details on how your files are handled.
Frequently Asked Questions
Is PurePDFKit really free?
Yes. Every tool on this site is free to use with no limit on the number of files, supported by the ads shown on the page.
Do I need to create an account?
No account or sign-up is required for any tool. An optional Google Drive connection lets you save your output directly to your own Drive, but it is never required.
Are my files uploaded anywhere?
No. Every tool listed above processes your files locally in your browser using JavaScript; your files are never sent to our servers. See our Privacy Policy for the full explanation.
Which devices and browsers are supported?
PurePDFKit works in any modern browser — Chrome, Edge, Firefox, or Safari — on desktop, tablet, or mobile, with no installation needed.