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Free Online Image to Pixel Art Converter

Turn any picture into pixel art in your browser. Choose how many blocks across, cut the palette down to a set taken from the picture or to a fixed one such as the four Game Boy greens, add dithering if you want it, and save tiny for a game or full size for sharing.

Free Forever Nothing Uploaded Retro Palettes Real Block Averaging
Free Online Image to Pixel Art Converter
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Bulk Image to Pixel Art Converter Nothing loaded yet
Drop your pictures here They are turned into real pixel art: fewer blocks, fewer colours, hard edges. Choose pictures No limit on how many • 40 MB each • nothing is uploaded

This is the first picture. Everything you set is applied to all of them.

Click any picture to see your settings on that one. The settings on the right are applied to every picture.

The grid
Blocks across fewer means chunkier 64
One pixel per block, which is what a game engine or a sprite sheet wants. Off means the blocks are blown back up to the original size for sharing.
The palette
Picking from the picture keeps it recognisable. The fixed sets are what give a drawing its era.
How many colours 2 to 64 16
Scatters the two nearest colours to fake a shade in between. Good for skies, noisy on faces.
Save as
GIF and BMP cannot be written by a browser, so those become PNG.
Quality JPEG and WebP only 88
Picture Before After Saved  
Everything together — — —  
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Is It Safe to Do This Online?

A fair question, and the answer is checkable.

What happens to your picture Most sites that do this This page
Where the work is done On their server In your browser
Who else can see the picture Whoever runs the server Nobody, it never left
What happens to the GPS location Reaches them before it is stripped Never leaves your device
Can you verify the claim No, you have to trust it Yes, see below
Check it yourself. Press F12 to open your browser tools and go to the Network tab. Drop a picture in and use the tool. You will see the page fetch its own code and nothing else: your file is never sent. For a stronger test, load this page, turn off your wifi, and use it anyway. It still works, which would be impossible if a server were doing the job.

How to Turn a Photograph Into Pixel Art

Drop, choose, download. Your originals are never touched.

1
Step 1 Drop in one picture or a whole folder. Nothing is uploaded.
2
Step 2 Set how many blocks across. Watch the preview to find the point where it still reads.
3
Step 3 Choose a palette. Four greens gives a Game Boy, sixteen from the picture keeps it recognisable.
4
Step 4 Run it and download, either at full size or one pixel per block.

What Makes Pixel Art Look Right

Blockiness is only half of it. The palette is the other half.

Fewer blocks is not the same as a bigger pixel. Each block here is an average of everything under it, so detail is genuinely merged rather than one pixel being picked and stretched. That is why a face at forty blocks across is still a face.
The palette is what makes it read as pixel art. A blocky photograph with sixteen thousand colours still looks like a photograph. Cutting to sixteen colours is what makes the eye see a drawing, which is why the palette control matters more than the grid control.
Dithering trades smoothness for noise. Scattering two colours to fake a third works beautifully on a sky and badly on skin. Try it both ways on the preview before running a whole folder.
Save tiny if it is going into a game. An engine wants one pixel per block so it can scale the sprite itself. Save at full size if it is going on the web, because browsers and phones smooth small images on the way up and the hard edges disappear.
Nothing is uploaded, and that is checkable. The picture is opened, changed and saved by your own browser. Turn your wifi off, reload the page and use it anyway: it still works, which would be impossible if a server were doing the job.

Key Features & Capabilities

What this tool does, and what it deliberately does not.

Never uploaded The pictures are read and redrawn by your own browser, so private artwork stays on your machine.
Real block averaging Each block is the average of what was under it, so shapes survive the shrink instead of turning into noise.
Palettes with an era Four Game Boy greens, four greys, black and white, the sixteen classic computer colours, or a set worked out from your own picture.
Dithering when you want it Floyd and Steinberg error spreading, which is what fakes a gradient out of four colours. Off by default because it is not always wanted.
Tiny or full size One pixel per block for a game engine, or blown back up with hard edges for posting.
A folder at a time Every picture gets the same grid and palette, which is what keeps a set of sprites looking like a set.

About the Bulk Image to Pixel Art Converter

Pixel art is not a photograph with big pixels. It is a drawing made of few blocks and few colours, and both halves matter. A tool that only enlarges the pixels gives you something that still reads as a blurry photograph, which is why the results from most pixelate filters are disappointing.

This page does both. The picture is first reduced to a grid, where each block is the average of everything that was underneath it rather than one sampled pixel, so shapes hold together as the grid gets coarser. Then the colours are cut down: either to a set worked out from your own picture, or to one of the fixed palettes that give a drawing its era, from the four greens of a Game Boy to the sixteen colours a home computer could show.

Dithering is offered separately because it is a genuine trade. Scattering two colours to suggest a third turns four greens into something that looks like eight, which is lovely on a sky and unpleasant on a face. It is off by default and the preview updates as you change it.

The last choice is size. A game engine wants one pixel per block so it can scale the sprite with hard edges. A website does not: browsers smooth small images as they enlarge them, and the crispness you worked for disappears. So the same artwork is offered both ways.

All of it runs in your browser. Nothing is uploaded, which matters when the artwork is not yours to share yet.

Frequently Asked Questions

Grid size, palettes, dithering and retro looks.

Drop the photo here, set how many blocks across you want and pick a palette. Around forty to eighty blocks keeps a face readable; below that it becomes an icon. Nothing is uploaded at any point.

A pixelate tool only makes the blocks bigger and keeps every colour, which still looks like a blurred photograph. This also cuts the palette down, which is what actually makes the eye read it as a drawing.

Sixteen is a good starting point and is roughly what home computers had. Four is a strong stylistic choice. Above thirty two the limit stops being visible and you may as well leave the colours alone.

Use it on skies, sunsets and anything with a smooth gradient, where it fakes shades the palette does not contain. Turn it off for faces, logos and flat artwork, where it just adds speckle.

Tiny, one pixel per block, if it is going into a game engine or a sprite sheet. Full size if it is going on a website or social media, because those will smooth a small image as they enlarge it and the hard edges will be lost.

Yes. Every picture gets the same grid and the same palette settings, and you can take the finished set back as a single ZIP.

Every Other Image Tool

40 more tools in this set. All free, all in your browser.

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