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Healthcare price transparency data and analytics

Combine, crop and adjust images online

Edit images with crop, transparency and effects

Hamburg public information and data resources

An icon and cursor editor with alpha, gradient and drawing controls.

Check text and interface contrast with transparency and lightness controls.

Free sprite animation with palette and transparent-colour workflows

Add a jQuery colour control with palettes, transparency and saved choices.

Edit colour stops and transparency while viewing the resulting CSS

Compress PNG files with palette quantization

Crop, combine and convert images online

Apply focused corrections and image effects

A freeware icon and cursor editor with library-management support.

Sample a foreground and background pair and copy its contrast report.

Adjust CSS colours and calculate contrast with focused JavaScript functions.

Put a screenshot in a browser or phone frame with a chosen background.

Keep captured visual references floating beside the work you are editing.

Edit one colour across familiar web formats and wide-gamut OKLCH.

Draw with classic paint tools and branch through an editable history

Build CSS gradients while exploring different colour spaces.

Export a posed scene as a transparent image or a licensed 3D handoff

Draw transparent mobile graphics for standalone use or Pocket Code

Create, inspect and edit GIF frame sequences

Draw on a phone or tablet with brush tools and translucent photo reference