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Outil de netteté d'image

Outils d'image · Outil en ligne gratuit

Augmenter la netteté par convolution pour rehausser les bords.

Équipe CoderNewbie
1.00
Aperçu
Upload an image to apply sharpening

3x3 Convolution

Applies a sharpen kernel using a 4-neighbor sum.

Adjustable Strength

Slider from 0 (no effect) to 5 (strong).

Pixel-level Processing

Uses getImageData/putImageData for true convolution.

Comment utiliser Outil de netteté d'image

  1. 1Upload your image file or drag and drop it into the tool.
  2. 2Adjust the tool-specific settings (quality, size, format, etc.).
  3. 3Click the process button to apply changes.
  4. 4Download the processed image.

Fonctionnalités

  • 100% gratuit — sans inscription, sans abonnement, sans publicité
  • Fonctionne entièrement dans votre navigateur — vos données ne quittent jamais votre appareil
  • Rapide et léger — résultats instantanés
  • Multiplateforme — compatible ordinateur, tablette et mobile

Questions fréquentes

Are my images uploaded to a server?

No. All image processing happens locally in your browser using canvas and WebGL APIs. Your images never leave your device.

What image formats are supported?

We support JPEG, PNG, WebP, ICO, and BMP formats depending on the tool. See the tool description for specifics.

Is there a file size limit?

Images up to 20MB are typically supported. Larger files may cause performance issues on some devices.

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