# Image Sharpening

Apply a standard sharpening convolution.

[Open this tool](https://whatson.pk/image-sharpen-tool/)

Category: Image Preparation

Sharpening changes edge contrast rather than adding new camera resolution.

Inspect outlines and fine texture after applying the effect, preferably beside the source.

## Inputs and controls

* One image or a batch: JPEG; PNG; WebP. Static images. Up to 4 MiB per file, 12 MiB total and 4 million pixels per image. At most six source images.
* Download format: PNG, preserves alpha; JPEG, flattens alpha; WebP, server support needed
* Quality. Allowed range: 1 to 100

## How to use

* Choose a static JPEG, PNG or WebP source. Check the displayed upload limits before processing.

* Set Download format and Quality. Review the selected units and options before preparing the output.

* Select Prepare image. Inspect the resulting preview, dimensions and file size, then download the output you need.


## Why use this tool

A direct comparison helps you choose a useful edge treatment without overprocessing the picture.


## Before relying on the result

Compare the finished picture with its source. It does not restore detail absent from the original image.

## Questions

### Can sharpening recreate missing pixels?

No. It does not restore detail absent from the original image.

### What should I check before using Image Sharpening?

Prepare a supported source image and check Download format and Quality. Use the exact units shown beside the controls and replace any example values with your own inputs.

Source page last modified (UTC): 2026-10-04T18:22:34+00:00

This profile describes the tool. It does not execute it or supply a professional certification.