The short answer
Why use Pencil Sketch?
The usual way to fake a sketch in an editor is to duplicate a layer, invert it, blur it and set a color dodge blend. This tool runs that same recipe at full resolution in one step.
Stroke weight comes from Amount, which spans 0 to 100 and sits at 50 to begin with. The photo is turned gray, a blurred negative copy is made, and the two are combined with a color dodge so only edges stay dark. At the default the blur width is the shorter side divided by 250, about 4 pixels on a 1000 pixel photo. Raising Amount widens the blur and deepens the dark curve.
Low-light phone photos are full of noise, and every speck becomes a pencil dot. Use a well-lit photo, or soften it lightly with Blur first. Very high amounts give heavy, charcoal-like strokes that fill in small details such as eyelashes and fine hair. At the other end, 0 leaves hair-thin, faint lines that can disappear when printed.
Edge Detection gives bright outlines on black and keeps the colors, more like a neon tracing. Emboss gives a gray relief that looks stamped rather than drawn. Cartoon keeps the colors and adds dark outlines. Pencil Sketch is the one that looks drawn on paper and prints well.
Where Pencil Sketch fits
Drawing reference
Get the main lines of a photo to copy onto paper when learning to sketch.
Gift cards
Turn a photo of a house or pet into a pencil-style image for a handmade card.
Tattoo concepts
Strip a photo down to lines as a starting point for a tattoo artist's design.
Start to finish
How to use Pencil Sketch
- 01Tap Choose image and pick a sharp, well-lit photo.
- 02Move Amount from 50 toward 100 for heavier, darker strokes, or lower for thin, light lines.
- 03Tap Apply changes, check that faint edges did not vanish, then tap Download result.
What to expect from Pencil Sketch
| Check | What it means here |
|---|---|
| Supported input | JPEG, PNG, WebP, GIF, BMP, SVG and browser-supported AVIF images |
| Main controls | Amount slider, plus a color picker for effects that need one |
| Output | A PNG image with the effect applied |
| Working limit | 50 MB and 50 megapixels per image |
Pencil Sketch tips
- Noisy night photos turn into dotted paper; daylight shots draw cleaner lines.
- For a coloring page, keep Amount moderate so the shapes stay open for crayons.
- Print the PNG at full size; shrinking it can make thin lines disappear.
- Strong backlight leaves a dark outline around people; reshoot facing the light if possible.
Pencil Sketch FAQ
Something missing? Ask us.
Does Pencil Sketch keep any color?
Why do smooth areas turn white?
Does Pencil Sketch upload my file?
Is Pencil Sketch free to use?
Why did Pencil Sketch fail or look wrong?
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