Image Opacity Tool

Upload an image, reduce or restore opacity, preview transparency on a checkerboard, and download a PNG.

Opacity previewFaça upload de uma imagem para começar

Your opacity-adjusted image will appear here

Adjust image transparency locally

Opacity slider

Set the image from lightly transparent to fully opaque with precise percentage control.

Transparent PNG output

Export a PNG that keeps the adjusted alpha channel for overlays and design work.

Private local processing

Sua imagem permanece no seu navegador. ImageConver não carrega o arquivo de origem.

Como funciona

  1. 1

    Upload an image

    Choose a browser-readable image from your device.

  2. 2

    Set opacity

    Move the slider and preview the transparent result.

  3. 3

    Baixar PNG

    Save the adjusted image with transparency preserved.

When to change image opacity

Opacity adjustment is useful for overlays, watermarks, soft backgrounds, and layered design assets. Lower opacity makes the image more transparent while preserving its shape and details.

Perguntas frequentes

Why does this tool only download PNG?

PNG supports alpha transparency. JPG does not preserve transparent pixels.

Does opacity change image dimensions?

No. The output keeps the same dimensions as the source image.

Minha imagem foi carregada?

No. Your image stays in your browser and opacity adjustment runs locally.

Image Opacity Tool last reviewed: Jun 26, 2026.