Pixelate an Image Online
Turn an image into large visible color blocks for a retro style, mosaic, or low-detail preview. Increase or decrease the pixel block size in real time.
More private browser image tools
Continue editing without sending the source image to an editing server. Each focused tool previews and exports the result in this browser tab.
Add Watermark
Place custom text with adjustable position, color, size, and opacity.
Blur Image
Apply a soft, adjustable blur to the complete image.
Round Image Corners
Create smooth corners with transparent PNG output.
Add Photo Border
Frame the full photo with a custom solid color.
Beautify Screenshot
Add a gradient, padding, rounded corners, and a soft shadow.
How to pixelate an image online?
- 1
Step 1: Upload an image
Select one JPG, PNG, or WebP image up to 10 MB and 16 megapixels.
- 2
Step 2: Choose a block size
Use smaller blocks for a subtle effect or larger blocks for an obvious mosaic.
- 3
Step 3: Inspect the full preview
Check the entire image at the intended sharing size. This control pixelates the whole frame.
- 4
Step 4: Download the PNG
Save the full-resolution pixelated result.
One of my go-to apps
Great app for filtering photos and even greater app for sizing pictures for not only posts but story photos as well... love this app I mainly use insta size for all my posts now ;)
Fast and Straightforward
Resizing photos for social media should be a cinch, but most editing programs are a pain to use. Of the dozen I’ve used, Instasize is the fastest, easiest and most consistent...
Great Sizes
Perfect app for the exact social media picture sizes. Love it. I use it daily. & I like the premade options they give you for different social medias!
I love instasize
Its the best app. for sizing photos to fit for Instagram or other forms of social media. You can also edit photos and create collages with multiple photos. It’s had been my friend for several years!
Always helpful
Always helpful when needing to resize photos
Huge fan
I love this app. Makes posting all types of photos. Love how it makes them fit on different formats
I’ve been using for years. Can’t work without it.
I use this app everyday to perfectly resize images for all of my social media platforms
LOVE
This app saved the day for me! I’m finally able to resize my photos for IG....effortlessly
Great App
We use this App weekly to resize pics for social media posts. Very user friendly, easy to use program when you want to get in and out quickly...
The editor first reduces the image to a smaller grid, then scales that grid back up without smoothing. Each grid cell becomes a visible block of color.
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