CraftPatterns

How to choose a photo that makes a good pattern

Any photo can become a pattern, but some make beautiful ones and others turn into mud or confetti. To show exactly why, we took one test photo, added four common problems, and ran every version through our pattern generator. A few minutes choosing and cropping the right image makes a bigger difference than any setting.

By The CraftPatterns team · Fact-checked 30 October 2026

Key takeaways

  • Crop tight. In our test, a subject at 40% size shrank from 15 stitches across to 6, losing its shading.
  • Plain backgrounds win. A busy background used up every colour slot and left the subject 4 shades instead of 6.
  • Contrast and light matter more than megapixels. A dark photo kept half the contrast and only 10 colours.
  • Fix the photo before you convert: brighten, crop and simplify, then adjust colours and cleanup.
  • The stitchability score rates how easy a chart is to stitch, not how good it looks. Judge the picture with your eyes.
On this page
  1. What makes a photo convert well
  2. What goes wrong, side by side
  3. Crop first, then convert
  4. Fix the light before you convert
  5. Background: keep, simplify or remove
  6. Size and colours by craft
  7. Cleaning up the result
  8. Photos to avoid, or to fix first

What makes a photo convert well

A pattern is a picture made of a small grid and a limited number of colours. The photos that survive that simplification have:

  • One clear subject that fills most of the frame.
  • A plain or blurred background, or one you are happy to remove.
  • Good, even light, without deep shadows across the subject or blown-out highlights.
  • Strong contrast between the subject and its surroundings.
  • Sharp focus on the important parts, especially the eyes in portraits.

What goes wrong, side by side

Here is one test photo, a red ball on a grassy hill, followed by the same picture with four common problems. Each went through the cross stitch pattern generator at the same settings, 80 stitches wide with up to 24 colours, and the chart on the right is exactly what came out.

  • Test photo, good photo.The same photo as an 80-stitch chart. Clear subject, six shades on the ball, strong contrast.
    Good photoClear subject, six shades on the ball, strong contrast.
  • Test photo, flat, low contrast.The same photo as an 80-stitch chart. Contrast between the ball and the grass falls by 23%; the picture turns muddy.
    Flat, low contrastContrast between the ball and the grass falls by 23%; the picture turns muddy.
  • Test photo, busy background.The same photo as an 80-stitch chart. The background takes every colour slot; the ball keeps only 4 shades.
    Busy backgroundThe background takes every colour slot; the ball keeps only 4 shades.
  • Test photo, subject too small.The same photo as an 80-stitch chart. The ball shrinks to 6 stitches across: a red blob.
    Subject too smallThe ball shrinks to 6 stitches across: a red blob.
  • Test photo, dark and noisy.The same photo as an 80-stitch chart. Only 10 colours in the whole chart, and half the contrast.
    Dark and noisyOnly 10 colours in the whole chart, and half the contrast.
One test photo with four common problems added, each run through our pattern generator at the same settings: 80 stitches wide, up to 24 DMC colours, Medium confetti cleanup (the generator's colour and cleanup defaults). Left: the photo. Right: the chart, nothing retouched.
PhotoColours usedBall widthShades on the ballBall contrast (ΔE)Stitchability
Good photo2215 stitches65385
Flat, low contrast1715 stitches64087
Busy background2415 stitches45490
Subject too small176 stitches45583
Dark and noisy1015 stitches42692

“Shades on the ball” counts the different threads used inside the ball, which is what makes it look round instead of flat. “Ball contrast” is the CIEDE2000 colour difference between the ball and the grass round it: the higher, the more the subject stands out.

What the test shows

  • Small subjects lose everything. With the scene at 40% size in a wide frame, the ball went from 15 stitches across to 6, and from 6 shades to 4. Cropping is the cheapest fix there is.
  • Busy backgrounds steal colours. The generator picks the colours that best describe the whole picture, so a cluttered background claims palette slots the subject needed. The ball kept only 4 shades, even though the chart used the full 24 colours.
  • Flat light means a muddy chart. At low contrast, the ball stood out about a quarter less from the grass, and the chart needed only 17 colours because everything had become similar.
  • Dark photos are the worst. Underexposure plus noise halved the contrast and left only 10 colours in the whole chart.
  • The stitchability score did not catch any of this. It measures how easy a chart is to stitch, so a muddy, low-colour chart scores well. Use the score to judge stitching effort, and your eyes to judge the picture.

Crop first, then convert

Cropping is the single most effective step. Cut away everything that is not the subject, so every stitch is spent where it matters. For a pet portrait, crop to the head and shoulders. For a landscape, decide what the picture is about, the tree, the house or the sky, and crop round it. The pattern makers have crop sliders under Advanced, so you do not need another app.

Fix the light before you convert

If a photo is dark or flat, brighten it and add a little contrast first, either in your phone’s photo editor or with the brightness, contrast and saturation sliders in the generator. Our test shows why: the dark photo lost half its contrast and most of its colours before any pattern settings came into play. Very noisy low-light photos also produce speckled charts; see confetti explained for how much noise adds.

Background: keep, simplify or remove

  • Keep a simple background if it adds context, like a plain wall or sky.
  • Simplify a busy one by cropping it out or blurring it in a photo editor before converting.
  • Remove it for a cut-out look: use skip background to leave white or a chosen colour unstitched. On fabric, unstitched Aida becomes the background; for beads, empty pegs.

Size and colours by craft

The generator starts each craft at a sensible default. These are good starting points to adjust from:

CraftGenerator defaultTypical rangeColours to start with
Cross stitch portrait100 stitches, 24 colours100–150 stitches wide20–40
Cross stitch simple graphic100 stitches, 24 colours40–80 stitches wide6–15
Fuse beads58 beads, 16 colours29–58 beads (one or two 29-peg boards)8–20
Diamond painting160 drills, 40 colours120–200 drills wide30–60
Knitting colourwork60 stitches, 6 colours40–80 stitches wide2–6
C2C crochet60 blocks, 8 colours50–120 blocks wide4–10

Start with fewer colours than you think and add more only where the picture needs them. Each extra colour is another skein or bag to buy and more colour changes. Our guide to choosing thread colours tests how many colours a design can really use at each size.

Cleaning up the result

After converting:

  1. Look at the realistic preview from a distance, the way the finished piece will be seen.
  2. Check the stitchability score and its tips for confetti and rare colours, remembering it rates effort, not looks.
  3. Merge colours that are almost the same. In the editor, select the colour you want to remove, press Merge, then click the colour it should become.
  4. Fix important details by hand in the editor, especially eyes, which often need a light highlight stitch and a crisp dark outline.

Photos to avoid, or to fix first

PhotoWhy it strugglesFix
Dark or backlitFew colours, little contrast, lots of noiseBrighten and add contrast before converting
Small subject in a big sceneToo few stitches for detailCrop tight, or make the pattern larger
Busy backgroundSteals colours and adds confettiCrop it out, blur it, or skip the background
Group photosEach face ends up only a few stitches wideCrop to one or two faces, or make it very large
Fine repeating patterns (stripes, tiles, knitwear)The grid clashes with them and creates false patternsCrop out or simplify by hand
Blurry or out of focusSoft edges become blotchy bands of colourChoose a sharper shot; focus matters most on the eyes

Frequently asked questions

What resolution does my photo need?

Not much. A pattern 100 stitches wide is built from about 100 pixels across, so almost any phone photo has far more than enough. Sharpness, light and contrast matter far more than megapixels.

Why does my pattern have so many single stitches?

Busy backgrounds, noise from low light and subtle gradients produce isolated stitches called confetti. Crop tighter, simplify the background, reduce the number of colours or raise confetti cleanup. Our confetti guide shows what each setting does.

How big should a pet portrait be?

As a rule of thumb, make the eyes at least three or four stitches across, enough for a dark pupil and a light highlight. For most pet faces that means a head 60 or more stitches wide. Crop to the head and shoulders so those stitches go on the face.

Is my photo uploaded?

No. The pattern makers on CraftPatterns run in your browser; the photo is processed on your device and never sent to a server.

Why did my dark photo get a high stitchability score?

Because the score measures how easy the chart is to stitch: fewer colours and fewer lone stitches score higher. A dark, flat photo collapses into a few colours, so it scores well while looking muddy. In our test the dark version scored 92 against 85 for the good photo.

Can I use a photo of a famous character or someone else's artwork?

Characters, logos and other people's artwork are usually protected by copyright or trademark, so a pattern made from them is for your own private stitching at most, not for sale or sharing. Photos you took yourself are the safe choice.

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