OneImageTool

Free Image Tools

Choose language

English 简体中文 日本語 한국어 Bahasa Indonesia Español Português (Brasil) Deutsch Français Tiếng Việt Bahasa Melayu ไทย

PRIVACY BRUSH

Pixelate Image

Paint a mosaic brush over sensitive areas. Adjust brush size and block size, then download.

PRIVACY BRUSH

☞ runs entirely in your browser — nothing is uploaded

Drop your image here

or click to browse — JPG, PNG, WebP

hide private details

Pixelate faces and sensitive regions

Click and drag on the preview to apply a mosaic brush. Useful for screenshots, ID photos and social posts before sharing.

Brush size controls the painted area; mosaic block controls how coarse the pixels look.

three steps

How to pixelate an image online

01

Upload

Choose a JPG, PNG or WebP image.

02

Paint

Drag over faces or text. Tune brush and block size as needed.

03

Download

Export PNG, JPG or WebP with the mosaic baked in.

quick answers

Pixelate FAQ

Can I undo a stroke?

Click Reset strokes to restore the original image, then paint again.

Is this a full-image blur?

No — only the areas you brush are pixelated.

Are files uploaded?

No. Painting runs on Canvas in your browser.

Is this free?

Yes — free with no watermark.

Related tools

32 Edit

Resize Image

Change dimensions and scale by percentage.
33 Edit

Crop Image

Trim images with ratio presets — free online.
34 Edit

EXIF Viewer

Read camera metadata and GPS from photos.
35 Edit

Text Watermark

Add copyright text to images in your browser.
36 Edit

Rotate & Flip Image

Turn and mirror JPG, PNG or WebP photos online.
37 Edit

Passport Photo

Crop ID photos to standard sizes with background replace.
38 Edit

Adjust Image

Tune brightness, saturation and warm/cool tone.
39 Edit

Adjust Brightness

Brighten or darken photos with a live preview.
40 Edit

Adjust Saturation

Boost or mute color intensity online.
41 Edit

Warm / Cool Tone

Fix color cast with warm or cool white balance.
42 Edit

Grayscale Image

Convert photos to black and white online.
43 Edit

Photo Filters

Apply sepia, vintage, vivid and 15+ presets.
45 Edit

Color Replace

Swap a color range with HSL tolerance.
46 Edit

Long Image Split

Cut tall ecommerce images into slices.
47 Edit

Adjust Highlights

Boost or recover bright areas in photos.
48 Edit

Perspective Correct

Flatten skewed scans with four corner handles.
49 Edit

Freehand Cutout

Lasso selection with transparent PNG export.
50 Edit

SVG Viewer

Open, preview and inspect SVG files online.
51 Edit

SVG Resizer

Change SVG width and height without redrawing.
52 Edit

SVG Color Changer

Swap every color in an SVG from one panel.
53 Edit

SVG Crop

Trim an SVG by changing its viewBox.
54 Edit

SVG Rotate & Flip

Rotate or mirror an SVG without editing paths.