Perfect for gathering ideas, styles, and SVG assets for your coloring app. All sites offer free SVGs, coloring pages, or vector-style outlines you can study for structure, line quality, and simplicity.
A massive library of public-domain vector images, including many simple SVG outlines that work well for coloring apps. Everything is SVG + free for commercial use.
Openclipart
Huge collection of clean, modern SVGs. Many icons and illustrations are perfect for transforming into coloring-style line art. Organized categories, consistently clean vectors.
SVG Repo
Free open-source SVG illustrations with minimalistic outlines and fluid shapes. Cohesive style, great for building consistent themes.
Undraw.co
Customizable illustrations (change line thickness, colors, styles) and downloadable as SVG. Advanced customization + lots of themes.
Storyset by Freepik
Thousands of free SVGs and line-art style illustrations contributed by creators. Great for simple, kid-friendly outlines.
Pixabay (Vector Section)
Large library of public-domain SVG drawings. Really easy to find coloring-page quality line art.
FreeSVG.org
Their free section includes many coloring pages and outline-style illustrations. Search for “coloring page” for tons of ready-made line drawings.
Vecteezy
Not all are SVG by default, but many pages offer vector options. One of the largest coloring-page databases online.
SuperColoring.com
Kid-focused coloring pages — many downloadable as SVG or easy to convert to SVG. Simple outlines that fit mobile-app coloring perfectly.
Hello Kids
Primarily printable coloring sheets, great for vector tracing inspiration. Very clean, bold outlines ideal for SVG recreation.
Printablee
Thousands of cartoon, animal, landscape, and holiday pages. Great source for layout ideas and themed sets.
ColoringPagesOnly.com
A modern minimalist SVG library with clean line drawings. Absolutely perfect for adult coloring app themes.
OpenPecha
Massive set of free vectors, including mandalas, flowers, animals, and scenes. Tons of outline-style assets ready for SVG.
PublicDomainVectors.org
Free hand-drawn style SVG illustrations with customizable strokes and colors. Modern, thick-outline designs that translate beautifully to coloring apps.
DrawKit
Great repository of public-domain vintage line art. Amazing for retro or detailed adult-coloring styles.
