How to fix a creased or crumpled photo

A photographic print is a sheet of paper with a very thin image layer on top. When the print is folded, the paper bends back, but the image layer along the fold stretches, cracks or lifts. That is why a crease shows up as a white line where the image layer broke and a darker line where the fold casts a shadow.

Flattening the paper removes the bend and the shadow. It does not close the crack. So the realistic goal is a flat, stable original plus a clean digital copy you can print, frame and share.

1. Handle the print by its edges with clean, dry hands or nitrile gloves, and avoid touching the image.
2. Lay it face up between two sheets of clean plain paper (acid-free if you have it).
3. Put something flat and heavy on top — a stack of books works — and leave it for a few days.
4. Check it. A gentle bend usually relaxes; a sharp fold will flatten but the line will stay.

Tip: Don't iron a photo, dry it with a hairdryer or wet it to make it lie flat. Heat and water can blister or soften the image layer, and the damage is permanent.

Never tape a crease or tear on the front. Adhesive tape yellows, and taking it off later pulls the image away with it. If the print is brittle, cracks further when you try to flatten it, or the image layer is flaking, stop — a photograph conservator can humidify and flatten it safely.

How you capture the print decides how much of the crease you have to fix later. Light coming from the side throws a shadow into every fold and makes it look deeper. Soft, even light makes it almost flat.

• Use daylight from a window, out of direct sun. Turn off ceiling lamps — they add glare and a color cast.
• Hold the phone straight above the print so its edges stay parallel to the frame.
• Fill the frame with the photo and tap to focus on a face.
• On glossy prints, tilt the print a little until the reflection disappears.

Our guide on scanning old photos with a phone goes through light, angle and apps step by step.

Once you have a good copy, there are two ways to remove the line.

• Retouch it yourself. A healing or clone tool (Photoshop, GIMP, or the Healing tool in Snapseed on a phone) copies texture from a clean area over the line. Work in short strokes along the crease and sample from both sides. It is quick on a background and slow and fiddly where the crease crosses a face.
• Use AI restoration. A restoration model recognises crease and fold lines and rebuilds the detail underneath from both sides of the line, together with scratches, fading and stains. It is fastest when a crease crosses clothes, sky or walls.

This is what CreaseFix was built for: upload the phone photo, choose Restore (or Restore & colorize) and compare before and after with a slider.

Tip: Whatever you use, check faces at full size. Where a crease runs across an eye or a mouth, the missing piece has to be reconstructed — compare with the original and keep both versions.

• The photo is one of a kind and valuable — the only picture of a person, or an antique.
• The image layer is flaking, cracked in many places, or the print is brittle.
• It isn't a paper print at all: tintypes, daguerreotypes and glass plates should not be bent or pressed.

A conservator treats the original; a digital copy (yours or theirs) is still the easiest way to get a clean picture to print and share.