Corrupt Meme Generator
Free glitch meme generator. Add Impact captions to any image, then apply real datamosh, RGB shift and pixel-sort effects. Runs in your browser, nothing uploaded.
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Build your glitched meme
Drop an image, paste a screenshot, or click to browse.
Caption
Glitch presets
Effects
What each effect actually does
These are not photo filters. Each one reproduces a specific way a real decoder fails, which is why the result reads as a corrupted file rather than a preset.
- RGB shift. The red and blue channels are sampled from different horizontal offsets than the green, which is the fringing you get when channels lose synchronisation.
- Block displacement. Horizontal bands are slid sideways and wrapped. This is the datamosh look, mimicking a decoder that lost a keyframe and keeps applying motion vectors to the wrong macroblocks.
- Pixel sort. Runs of pixels within a row are reordered by brightness, producing the melted horizontal smears associated with glitch art.
- Scanlines. Alternating rows are darkened, imitating interlaced CRT output.
- Colour levels. The palette is quantised into a small number of steps, producing the harsh banding of a damaged colour table.
- Noise. Random luminance variation, like sensor or transmission noise.
Why there is a seed
The glitch is driven by a seeded pseudo-random generator rather than
Math.random(), so the same seed always produces the same result. You can rewrite
the caption without the glitch pattern jumping around every keystroke, and come back to a
look you liked. Shuffle picks a new seed.
Meme hakkında sık sorulanlar
Is my image uploaded anywhere?
No. The image is read into a canvas in your browser and every effect is applied to those pixels locally. Nothing is sent to a server, which means it also works offline and is safe for private screenshots.
What is the difference between these effects?
RGB shift desynchronises the colour channels, giving the red/blue fringing of a broken signal. Block displacement slides horizontal bands sideways, that is the datamosh look, and it mimics a decoder losing sync. Pixel sort reorders runs of pixels by brightness, producing smears. Colour levels crushes the palette into visible banding, and scanlines darkens alternating rows like a CRT capture.
Why does the same seed give the same result?
The glitch is driven by a seeded pseudo-random generator, so a given seed always produces an identical result. That means you can tune the captions without the glitch pattern jumping around, and reproduce a look you liked. Press Shuffle for a new pattern.
Can I glitch the caption text too?
Yes. Turn on "Corrupt the caption" and the text is drawn before the effects run, so it gets torn and displaced along with the picture. Leave it off and the text is drawn last, staying crisp and readable over the damaged image.
Which font does it use?
Impact where it is installed, which covers Windows and macOS. On Linux and Android it falls back to Anton, a close open-licensed match, so captions look the same everywhere.
What size is the output?
The image is capped at 1600 px on its longest edge so effects stay responsive, and downloads as a PNG. Smaller images keep their original dimensions.