Blog
Guides, comparisons, and tips for working with PDFs and images privately.
Comparisons
PrivaTools vs Adobe Acrobat: Free Private PDF Tools Compared
Compare PrivaTools with Adobe Acrobat on pricing, privacy, features, and ease of use. See why you do not need an expensive subscription for everyday PDF tasks.
PrivaTools vs Smallpdf: Free PDF Tools Compared
Compare PrivaTools and Smallpdf on pricing, privacy, and features. See why PrivaTools offers truly free, unlimited PDF tools with no uploads and no account required.
PrivaTools vs iLovePDF: Which PDF Tool Is More Private?
A detailed comparison of PrivaTools and iLovePDF focusing on privacy, speed, file size limits, and pricing. Learn why client-side PDF processing is safer for your documents.
PrivaTools vs TinyPNG: Image Compression Without Uploads
Compare PrivaTools and TinyPNG for image compression. See how client-side processing offers better privacy, no daily limits, and support for more formats than TinyPNG.
How-To Guides
How to Digitize Paper Documents With Your Phone
Turn paper documents into organized digital PDFs using just your phone and free browser tools. Scan, convert, merge, and compress without installing any app.
How to Crop Images for Websites and E-Commerce
Learn how to crop product photos and website images to the right dimensions for your online store, blog, or portfolio. Free, private, and no design skills required.
How to Convert JPG Images to PDF for Documents
Convert photos and scanned images from JPG to PDF format for official documents, applications, and archiving. Free, private, and no file size limits.
How to Sign a PDF Online Without Printing
Stop printing, signing, and scanning PDFs. Learn how to add your signature or initials directly to any PDF document online, for free, with no file uploads required.
Remove Background for Product Photos
Learn how to remove backgrounds from product photos for e-commerce listings on Amazon, Etsy, and Shopify. Free, private, and powered by in-browser AI.
Merge Multiple Invoices Into One PDF
Learn how to combine multiple invoice PDFs into a single document for accounting, tax filing, and expense reports. Free, private, no uploads required.
Resize Images for Social Media (Instagram, LinkedIn, Twitter)
The complete guide to social media image dimensions for 2026. Learn the recommended sizes for Instagram, LinkedIn, and Twitter/X, with a free tool to resize images privately in your browser.
How to Compress a PDF for Email Attachments
Learn how to reduce PDF file size for email attachments. Covers Gmail, Outlook, and Yahoo size limits, plus a step-by-step guide to compressing PDFs privately in your browser.
How to Convert HEIC to JPG From iPhone
Learn what HEIC format is, why your iPhone uses it, and how to convert HEIC photos to JPG for free in your browser with no uploads required.
Format Guides
PDF Security and Encryption Explained
Understand how PDF encryption works, the difference between AES and RC4, owner vs user passwords, and what PDF security actually protects. A practical guide for anyone handling sensitive documents.
How to Compress JPG Files Online
Understand how JPG compression works, learn to balance quality vs file size, and compress your JPG photos for free in your browser with no uploads.
WebP to JPG: How to Convert WebP Images
Learn how to convert WebP images to JPG format for better compatibility with older software, email clients, and websites that don't support WebP.
How to Compress PNG Files Online
Learn how PNG compression works, how to reduce file sizes while preserving transparency, and how to compress PNGs for free in your browser.
Learn
The Complete Guide to PDF Tools: When to Use Each One
Not sure which PDF tool you need? This comprehensive guide explains when to compress, merge, split, protect, unlock, sign, edit, or convert PDFs, with practical examples for each.
How to Edit a PDF: Add Text, Highlight, and Fill Forms
Learn how to add text boxes, highlight text, and fill out PDF forms directly in your browser. No software to install, no account needed, and your files stay private.
How to Unlock a PDF When You Forgot the Password
Forgot the password to your own PDF? Learn the difference between owner and user passwords, and how to remove PDF restrictions when you have the right to access the file.
How to Password Protect a PDF for Free
Learn how to add password protection to your PDF files for free using 256-bit AES encryption. No software to install, no file uploads, everything happens in your browser.
How to Make Images Smaller Without Losing Quality
Learn the difference between resizing and compressing images, find the optimal settings for web, print, and email, and reduce file sizes without visible quality loss.
5 Ways to Reduce PDF File Size
Practical methods to make your PDF files smaller. Learn how to compress, split, and optimize PDFs so they're easier to share by email and faster to upload.
What Is Image Compression? A Simple Explanation
Understand how image compression works, the difference between lossy and lossless compression, and how to choose the right settings for your needs.
PNG vs JPG vs WebP: Which Image Format to Use?
A practical comparison of PNG, JPG, and WebP image formats. Learn when to use each one, how they differ in quality and file size, and how to convert between them.