ToolFoundry

Private browser tools

Prepare your images. Keep your files private.

Resize to exact pixels, crop to the right proportions, convert formats, or reduce an image to a KB target. Check dimensions and plan a print. Your files stay on your device.

Resize imageReduce file sizeAll tools

Preparing a print? Check image DPI or compare dimensions in the print size pixel chart.

Reduce image size

Choose a JPG, PNG, or WebP. Processing stays on this device.

Tools

From original to ready.

Crop for the right shape, resize for the required pixels, then compress for a file-size limit. Convert when the destination needs another format.

Resize, crop & compress

Prepare the right dimensions, framing, and file size.

Resize ImageResize by exact pixels or percentage, with an optional aspect-ratio lock.Crop ImagePreview a square, portrait, or landscape crop and download the selected area.Reduce Image Size in KBReduce JPG, PNG, or WebP to 20KB, 50KB, 100KB, 200KB, 500KB, 1MB, or a custom target.

Convert image formats

Choose compatibility or transparency. Every converter produces a real downloadable file.

PNG to JPG ConverterConvert PNG to JPG with a white background and adjustable JPEG quality.JPG to PNG ConverterSave a JPEG as PNG without changing its pixel dimensions.WebP to JPG ConverterConvert a WebP image to JPG locally while keeping its pixel dimensions.WebP to PNG ConverterConvert a WebP frame to PNG while preserving transparent pixels.

Inspect & plan a print

Check the original and connect its pixels to a physical print size.

Image Dimensions CheckerCheck width, height, format, ratio, and file size.Image DPI CheckerRead image resolution and estimate print quality.Pixels to Print Size CalculatorConvert pixels and DPI into inches or centimeters.Photo Print Size CalculatorSee which standard print sizes fit your photo.

Guides

Choose the right output.

Guide

Print Size Pixel Chart

Find pixel requirements for common photo and paper sizes.

Read guide
Guide

What DPI Do I Need for Printing?

Choose a practical DPI for photos, posters, and wall art.

Read guide
Guide

JPG, PNG or WebP: Which Format?

Choose a format for photos, transparent graphics, and upload requirements.

Read guide
Guide

How Large Can I Print My Photo?

Estimate maximum print size from pixels and viewing distance.

Read guide

Local by default

Images are read by your browser, not sent to a server.

Transparent

Results show the formula and assumptions.

Practical

Pixels connect to real output decisions.