I Built a Free Color Palette Extractor That Never Uploads Your Images

Description and use

A browser‑based color palette extractor that runs entirely client‑side, instantly returning dominant colors in HEX, RGB, and HSL without uploading images.

Problem

Designers and developers often need to extract color schemes from images but hesitate to upload sensitive assets to external services.

Outcome

Instant, privacy‑preserving extraction of dominant color palettes from any image, enabling designers to quickly obtain usable hex codes without external uploads.

Workflow

• Open the Color Palette Extractor on SamToolkit
• Drag or drop an image (PNG, JPG, WebP) into the interface
• The tool decodes the image, buckets similar colors, and sorts by frequency
• View the preview swatch strip
• Copy the desired hex codes with one click
• Paste the codes directly into CSS or design files

Evidence

Every tool on SamToolkit runs entirely in your browser using Blazor WebAssembly — nothing you upload ever touches a server.

Source

Drop in any image — a photo, a mockup, a brand logo — and the tool analyzes the pixel data locally and returns a ready‑to‑use palette

Source