OneTaskBy Tim King · Updated
Colouring Page Maker
Turn Any Photo Into Black Line Art on White, Ready to Print for Kids
OneTask is free, with no sign-up, and built by one person.
If this tool saved you time, a coffee helps keep new ones coming.
How the Colouring Page Maker works
This colouring page maker traces the outlines in a photo and redraws them as clean black lines on white paper. Turn a pet, a family photo or a favourite place into a printable page for children, classrooms or adult colouring.
How the colouring page maker works
The tool softens the photo to remove fine texture, then finds edges where brightness changes sharply. Those edges become black lines and everything else turns white, leaving open shapes that are ready to fill with pencils, crayons or paint.
Detail and sensitivity
Detail controls how much smoothing happens first. Low detail ignores grass, fur and wood grain for a simple page suited to young children. High detail keeps small features for older colourers. Line sensitivity decides how faint an edge can be and still get a line.
Line thickness and printing
Thicker lines are easier to colour inside and print boldly on cheap printers. Print on A4 or US Letter at full page size; the output is a plain PNG with a white background, so it uses very little ink.
Private by design
The page is made in your browser, and your photos are never uploaded.
FAQ
Which photos make the best colouring pages?
Photos with a clear subject, good lighting and a plain background work best. Close-ups of pets, toys, buildings and flowers give bold shapes. Busy scenes produce many small lines that are hard to colour.
How do I remove stray dots and specks?
Lower the detail setting to smooth the photo more, or reduce line sensitivity so only strong edges are drawn. Cropping away a busy background before converting also removes most of the clutter.
Is this the same as the photo to sketch tool?
No. The sketch tool keeps grey pencil shading for an artistic drawing. This tool outputs pure black lines on white with no shading, which is what you need for a page to colour in.
Can I use the pages in a classroom?
Yes. Pages made from your own photos are yours to print and share. Only use photos you took or have permission to use, especially when the page shows other people's children.
See also: all Images tools, Audio, Video & Screen, PDF, SVG, Simulations & Screensavers, Generative Art, Chart Makers, 3D Model Viewers, Drawing Pads, Mockups & 3D Making, Diagram Makers, 3D Science, Tracker Music.
Related tools
Photo To Sketch
Convert a photo into a pencil sketch, ink outline or cartoon.
Stipple Art Generator
Redraw a photo as a pen-and-ink stipple drawing made of dots.
Jigsaw Puzzle Maker
Draw interlocking jigsaw pieces over any photo, ready to print and cut.
Black And White Photo
Convert a photo to black and white with classic colour filters.
Photo To Cross-Stitch
Convert a photo into a cross-stitch chart with symbols, key and floss list.