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WebRul

Image Tools

Sharpen Image

Enhance detail with an unsharp-mask convolution.

Drop images to sharpen

image/*, PNG, JPG, JPEG, WEBP, GIF, BMP, AVIF · up to 30 MB · max 10 files

60%

Uses a 3×3 sharpen convolution, blended with the original by the chosen amount. Best results between 40–120%.

Features

Built for real work.

Unsharp mask

Classic 3×3 convolution kernel with adjustable strength.

Edge preservation

Enhances detail without over-saturating flat regions.

Batch mode

Sharpen up to 10 images at once.

How it works

Three steps, no friction.

  1. Step 1

    Upload

    Drop the images to sharpen.

  2. Step 2

    Set amount

    Slide from subtle enhancement to aggressive detail.

  3. Step 3

    Download

    Get crisper images ready to publish.

Benefits

Why teams choose WebRul.

  • Bring back detail lost during resizing
  • Enhance product photography for e-commerce
  • Improve legibility of screenshots and diagrams

FAQ

Questions, answered.

Why not use CSS filter contrast?

CSS filters can’t truly sharpen — they only alter tone. This tool runs a real convolution, giving edge-aware detail enhancement.

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Need something custom?

Talk to the WebRul team about custom integrations, private tooling, or enterprise access.