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Free browser-based design and branding utilities. All processing runs locally — no uploads, no accounts required.
Extract dominant colours from any image as HEX codes
Generate favicons in all standard sizes from any image
Preview how your page looks when shared on social media
HEX, RGB and HSL colour conversion
Toolzilla's Design & Brand Tools support freelancers and small businesses building a professional visual identity. Extract colour palettes from images, generate favicons, preview social sharing cards, and convert between HEX, RGB, and HSL — without design software.
Pull dominant colours from any image as HEX codes for brand consistency.
Tip: Extract colours from an inspiration image to kickstart a cohesive brand palette.
Create favicons in standard sizes from any square image.
Tip: Start with a 512×512 PNG for the sharpest downscaled results.
Preview how a page title, description, and image appear when shared on social platforms.
Tip: Keep titles under 60 characters and descriptions under 155 for best display.
Convert colours between HEX, RGB, and HSL formats.
Tip: Use HSL to adjust lightness without shifting hue — great for building colour scales.
No. These tools automate common brand tasks. For full brand strategy, consider working with a professional designer.
PNG with transparency works best. Upload at least 256×256 pixels for quality downscaling.
Results are approximate based on dominant pixels. Verify critical brand colours with a physical brand guide.