Compress Image
Shrink a JPG, PNG or WEBP image's file size with an adjustable quality slider.
Open toolImage Tools
Compress, resize, crop, rotate, filter, watermark, convert and inspect images, plus passport photo and signature tools. 33 free tools in this category, all running entirely in your browser.
Resize Image
Resize an image by exact pixel dimensions or by percentage.
Open toolImage Converter
Convert an image between JPG, PNG and WEBP formats.
Open toolCrop Image
Drag to select exactly the part of an image you need, then download it.
Open toolRotate & Flip Image
Rotate an image in 90° steps or flip it horizontally and vertically.
Open toolBase64 Image Converter
Encode an image to Base64, or decode a Base64 string back into an image.
Open toolCompress Image to Exact Size
Hit a precise KB or MB target with preset or custom sizes.
Open toolJPG to PNG
Convert a JPG image to PNG format.
Open toolPNG to JPG
Convert a PNG image to JPG format, with adjustable quality.
Open toolSVG to PNG
Rasterize an SVG vector image into a PNG at any size.
Open toolSVG to JPG
Rasterize an SVG vector image into a JPG at any size.
Open toolGIF to JPG
Extract the first frame of a GIF as a JPG still image.
Open toolStraighten Image
Fix a tilted photo with a precise angle slider and alignment grid.
Open toolAdd Text to Image
Add a draggable caption or label to a photo.
Open toolAdd Watermark to Image
Tile a semi-transparent text watermark across a photo.
Open toolAdd Border to Image
Frame a photo with a solid color border.
Open toolRounded Corners
Round an image's corners with an adjustable radius.
Open toolAdd Background to Image
Fill transparent areas of a PNG or WEBP with a solid color.
Open toolBlur Image
Apply an adjustable blur effect.
Open toolPixelate Image
Apply a blocky mosaic pixelation effect.
Open toolSharpen Image
Enhance detail and edges with an adjustable strength.
Open toolBrightness Adjuster
Brighten or darken an image with a live preview slider.
Open toolContrast Adjuster
Increase or decrease image contrast with a live preview.
Open toolSaturation Adjuster
Make colors more vivid or more muted.
Open toolGrayscale Image
Convert a photo to black & white with adjustable intensity.
Open toolImage Filters
Combine brightness, contrast, saturation and presets like Sepia or Invert.
Open toolEXIF Remover
Strip camera, GPS and timestamp metadata from a photo.
Open toolPassport & ID Photo Maker
Crop and resize to standard passport, visa, PAN, Aadhaar or DL photo sizes.
Open toolPassport Photo Sheet Maker
Arrange multiple copies of a photo onto one printable sheet.
Open toolSignature Resizer
Resize a signature to the exact pixel dimensions a form requires.
Open toolSignature Background Remover
Remove a white paper background, leaving a transparent signature.
Open toolImage Info & Metadata Viewer
See file size, dimensions, format and EXIF metadata at a glance.
Open toolImage Color Picker
Click anywhere on an image to sample its exact pixel color.
Open toolAdvertisement
FAQ
Questions about Image Tools
What tools are available in Image Tools?
This category groups together 6 tools for working with images — compressing, resizing, cropping, converting and rotating. Every tool listed above is fully working.
Are these tools free to use?
Yes. Every tool on Calcooo is completely free and does not require an account.
Is my image safe when I use these tools?
Yes. Every image tool processes your file entirely inside your browser using the Canvas API — images are never uploaded to Calcooo or any server.
Can I use these tools on my phone?
Yes. Every tool page is built mobile-first and works on phones, tablets and desktops.