Explore
A discovery hub for when you know the outcome but not the tool. Everything here links to working tools and real content, not duplicates of the directory.
Start with a task
Each task links to a short workflow that shows the steps and the tools to use.
- Task
Fit a photo to a form's size limit
Reduce a photo so a portal that caps uploads will accept it.
- Task
Combine scanned pages into one file
Join several scans and pull out only the pages you need.
- Task
Prepare a passport or visa photo
Crop to the right proportions and meet the upload cap.
- Task
Shrink a photo for the web
Set sensible dimensions and a reasonable file size.
Browse by category
Guides
Short walkthroughs that explain the method behind the tools.
- Guide
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 - Guide
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 - Guide
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 - Guide
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 - Guide
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 - Guide
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
File formats
Plain-English notes on the formats the tools read and write.
- Image format
JPG / JPEG
A lossy photo format that compresses heavily and is accepted almost everywhere.
.jpg, .jpeg - Image format
PNG
A lossless format that keeps sharp edges and supports transparency, at the cost of size.
.png - Image format
WebP
A modern format with strong compression for both photos and graphics, including transparency.
.webp - Document format
PDF
A fixed-layout document format that preserves pages exactly as designed.
.pdf
Reference
- Reference
Photo requirements
Every requirement with its official source and review status.
- Support
Help
How to use the tools, what they accept and what to do when something fails.
- Trust
File security
How browser-side processing keeps your files on your device.
- About
Roadmap
What is planned, and the standard a feature must meet before it is published.