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Smart crop image online, free saliency-driven subject cropper

Drop a photo, pick an aspect ratio, and let the saliency model pick the most interesting rectangle. No dragging, no hand-tuning.

  • Aspect-ratio presets
  • Saliency-driven
  • Centred fallback when unsure
A portrait of a barista before and the same portrait cropped to a 1:1 square that keeps her face centred after.A portrait of a barista before and the same portrait cropped to a 1:1 square that keeps her face centred after.

Faites glisser pour comparer, avant / apres

Apercu

Cropping a portrait to a 1:1 thumbnail without chopping off the subject is the kind of fiddly task that eats five minutes for the price of a single image. Smart crop replaces the manual draggable rectangle with a saliency model: every candidate window scores by saturation, edge density, and skin-tone density, and the tool picks the window with the highest weighted score that matches your requested aspect ratio.

For portraits, product shots, and most photographs the tool reliably keeps the subject in frame and trims the dead pixels around it. For inputs without a clear focal point (abstract art, group photos, uniform-colour images) it falls back to the centred rectangle so the result is at least predictable.

The whole pipeline runs on our server because the saliency model needs native pixel access and the smartcrop algorithm is deterministic enough that we do not need to mirror it client-side. The upload is held only while we compute the bounds and emit the cropped file, then deleted. Nothing is saved.

Fonctionnement

Comment ca marche

Trois etapes, generalement en moins de cinq secondes.

  1. 1

    Upload an image

    Drop a JPG, PNG, WebP, or AVIF up to 25 MB.

  2. 2

    Pick an aspect ratio

    Choose 1:1, 4:5, 16:9, 9:16, 3:2, 2:3, or Custom (type your own width and height pair).

  3. 3

    Confirm

    The saliency model picks the rectangle that maximises subject coverage. The tool reports the chosen bounds so you can compare them to the source.

  4. 4

    Download

    The cropped image downloads with `-smart-cropped` appended to the original filename. Pick the output format (Same as source, JPEG, PNG, or WebP) before submitting.

Exemples

Voyez-le en action

Faites glisser chaque curseur pour examiner le resultat au pixel pres.

A family portrait keeps both subjects in frame when the tool picks a 1:1 window centred on the people.A family portrait keeps both subjects in frame when the tool picks a 1:1 window centred on the people.
A family portrait keeps both subjects in frame when the tool picks a 1:1 window centred on the people.
A product shot of running shoes crops to a square that keeps the shoe centred without trimming the laces.A product shot of running shoes crops to a square that keeps the shoe centred without trimming the laces.
A product shot of running shoes crops to a square that keeps the shoe centred without trimming the laces.
A wide food photograph trims to a square that keeps the bowl and basil sprig centred.A wide food photograph trims to a square that keeps the bowl and basil sprig centred.
A wide food photograph trims to a square that keeps the bowl and basil sprig centred.
Confidentialite

Votre image, supprimee quand vous avez termine

Smart crop runs on our server because the saliency model needs native pixel access. Your upload is held only while we compute the bounds and emit the cropped output, and is deleted the moment we send the file back. Nothing is saved, indexed, or trained on.

  • Traite en quelques secondes
  • Rien n'est conserve
  • Aucun compte lie
Essayez maintenant

Envoyez une image

Un clic. Sans inscription. Nous ferons le reste.

Recadrage intelligent

Deposez votre image ici ou cliquez pour envoyer
Glissez-deposez, parcourez vos fichiers, ou collez depuis le presse-papiers avec Cmd+V
Calcule sur notre serveur
Le recadrage intelligent necessite un acces natif aux pixels pour le modele d'importance visuelle, il s'execute donc sur notre serveur. L'envoi est supprime des que nous renvoyons le resultat.

Besoin de traiter plus d'une image ?

L'outil gratuit Smart crop image online, free saliency-driven subject cropper traite une image a la fois. Un forfait credits debloque jusqu'a 50 images par lot, un telechargement ZIP unique et trois presets (Blog / Social / Ecom). A partir de 5 euros pour 100 credits. Payez une fois, sans expiration.

Voir les forfaits credits
FAQ

Questions frequentes

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Merci de citer comme suit

BouseMutton (2026). Smart crop image online [Web application]. https://bousemutton.com/smart-crop-image

Derniere mise a jour: 2026-04-28