16 private creator tools
File-ready,
before you
press send.
Private image, PDF and print tools for creators, designers and small shops. No account. No uploads. No guesswork.
ONLY
The working set
Prepare files.
Keep them private.
Inspect, convert and organize creative files locally—then use precise calculators to prepare them for production.
Image inspection
Image DPI Checker
Check whether an image has enough pixels to print cleanly.
Use calculatorImage conversion
JPG PNG WebP Converter
Switch common image formats without sending files away.
Use calculatorImage optimization
Private Image Compressor
Reduce image size without uploading private artwork.
Use calculatorPDF organizer
Merge PDF Files
Join PDFs locally, in the order you choose.
Use calculatorPDF inspection
PDF Page Size Checker
Catch mixed or incorrect PDF page sizes before production.
Use calculatorResolution
Pixels to Print Size Calculator
Find the largest clean print your image can make.
Use calculatorLayout
Sticker Sheet Calculator
Fit more stickers on every A4 or Letter sheet.
Use calculatorPublishing
Book Spine Width Calculator
Plan a cover spread before downloading the printer template.
Use calculatorUseful file tools should not require surrendering the file.
Why File Preflight
Local processing.
Inspectable results.
File tools run inside the browser, while every calculator includes its method, an example and the limits you should confirm before production.
- 01 Process images and PDFs without uploading
- 02 Download results directly to your device
- 03 Verify the final file before production
Start with your artwork
What is really inside?
Check an image's pixel dimensions and effective print resolution without uploading it.
Inspect my image →