Guides
Short, practical walkthroughs for common tasks. Each guide links to the working tools it describes.
- Image
How to resize an image to a specific KB size
Many forms cap uploads at a set file size. Here is how to hit a target in kilobytes without wrecking the picture.
4 min read - Image
How to reduce image file size while preserving quality
A practical order of operations for making an image smaller with the least visible damage.
3 min read - PDF
How to merge multiple PDFs into one
Combine several PDF files into a single document, in the order you choose, without uploading them anywhere.
3 min read - Formats
JPG vs PNG vs WebP: which format should you use?
The three common web image formats, what each is good at, and when the choice actually matters.
4 min read - PDF
How to split a PDF and extract the pages you need
Pull a page range out of a PDF into its own file — a single chapter, a signed page, or just the pages a form asks for.
3 min read - Photo
How to prepare a digital photo for an application
A passport, visa or exam form usually wants a specific photo size. Here is how to get the shape and resolution right before you upload.
4 min read