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Image Toolkit

Image guides

Guides to image formats, compression, metadata, editing and accessibility.

Formats 7 min

How Image Compression Works

Understand dimensions, quality, lossy and lossless encoding, and how to make an image smaller without guessing at one quality slider.

Try it now · Compress
Privacy 7 min

What Is EXIF Data?

Learn what photo metadata can contain, when it becomes a privacy risk, and how to create and verify a share-safe copy.

Try it now · Remove EXIF
AI editing 7 min

How AI Background Removal Works

See how segmentation models create an alpha mask, why hair and transparent objects are difficult, and what determines a clean cutout.

Try it now · Remove background
Accessibility 8 min

How to Write Useful Alt Text

Write concise image alternatives that communicate purpose and context, including examples for products, links, charts and decorative images.

Try it now · Alt text
AI editing 7 min

What Is a Depth Map?

Understand how a grayscale depth map represents estimated distance and how it can drive blur, parallax, fog, relighting and rough 3D effects.

Try it now · Depth map
Formats 7 min

What Is WebP?

Learn what WebP supports, where it fits in a modern image workflow, and when JPEG, PNG, AVIF or SVG may still be a better choice.

Try it now · Convert
Formats 7 min

Lossy vs Lossless Compression

Choose between much smaller files and exact decoded pixels by understanding what each compression method preserves, removes and is best used for.

Try it now · Compress
Concepts 7 min

Raster vs Vector Images

Understand pixels and paths, how scaling changes each kind of image, and which format fits photographs, logos, diagrams and web graphics.

Try it now · SVG to PNG