CalcChef tool collection
Image Tools
Handle common image edits locally in your browser, from resizing and cropping to favicon creation.
Start with these tools
Image Converter
Convert PNG to JPG, JPG to PNG or WebP to PNG in your browser, up to 20 images at once with a ZIP. Set the JPG and WebP quality and see the size change.
Image Cropper
Crop an image to 1:1, 4:5, 16:9, 9:16, golden or a custom ratio, type exact pixels or rotate it, and save PNG, JPEG or WebP at full size, with no scaling.
Image Resizer
Resize an image to exact pixels, a percent, or cm, mm or inches at a DPI, with the aspect ratio locked or free, and save PNG, JPEG or WebP under a KB target.
Favicon Generator
Turn an image or a letter into favicon.ico (16, 32 and 48 px) and PNG icons at 16, 32, 180, 192 and 512 px, with the link tags and a site.webmanifest.
All Image Tools
7 free browser-based tools
Aspect Ratio Calculator
Find the aspect ratio of a size in pixels, such as 1920 × 1080 = 16:9, resize while keeping it, or get the missing side from a ratio like 21:9.
Favicon Generator
Turn an image or a letter into favicon.ico (16, 32 and 48 px) and PNG icons at 16, 32, 180, 192 and 512 px, with the link tags and a site.webmanifest.
Golden Ratio Grid Overlay
Draw golden ratio lines at 38.2% and 61.8%, a golden spiral, diagonals or golden triangles over an image, read the positions in pixels and save a PNG.
Image Converter
Convert PNG to JPG, JPG to PNG or WebP to PNG in your browser, up to 20 images at once with a ZIP. Set the JPG and WebP quality and see the size change.
Image Cropper
Crop an image to 1:1, 4:5, 16:9, 9:16, golden or a custom ratio, type exact pixels or rotate it, and save PNG, JPEG or WebP at full size, with no scaling.
Image Filters
Set brightness, contrast, grayscale, sepia, saturation, hue, invert and blur, or pick a look, then save as PNG, JPEG or WebP. Works in Chrome, Edge and Firefox.
Image Resizer
Resize an image to exact pixels, a percent, or cm, mm or inches at a DPI, with the aspect ratio locked or free, and save PNG, JPEG or WebP under a KB target.