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Glitch Effect Generator

Add RGB shift, scan lines and datamosh artefacts.

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Quick Tool Overview

The Glitch Effect Generator separates the effects that usually arrive as one preset: RGB channel shift, horizontal slicing, block displacement and scan lines are each their own control. Combining them at low strength looks far better than any one turned up, and the random seed can be locked so a result you like is reproducible.

What it does
Adds digital distortion artefacts
You give it
An image and effect strengths
You get back
A deliberately corrupted-looking version
Best for
Album art, posters and cyberpunk styling
Image Tools Free, unlimited use No sign-up Runs in your browser

About the Glitch Effect Generator

The glitch aesthetic borrows from failure modes that were once genuinely annoying: the colour fringing of a misaligned analogue signal, the horizontal tearing of a damaged tape, the block displacement of a corrupted video frame.

Each is a separate control here rather than a single preset, because they are separate effects and combining them at low strength looks far better than any one of them turned up. RGB shift alone, at two or three pixels, is the one that does the most work — it reads as broken without making the image unreadable. Every run uses a random seed you can lock, so a result you like can be reproduced.

Key features of the Glitch Effect Generator

RGB channel shift

The most recognisable glitch effect, and the one that carries most of the look on its own at two or three pixels.

Separate controls

Slicing, block displacement and scan lines are independent, because stacking them low beats maxing any one.

Lockable seed

The randomness is seeded, so a result you like can be reproduced exactly rather than lost on the next redraw.

Honest framing

The page is clear these are controlled imitations, not real file corruption, which produces unopenable images.

Live preview

Every slider redraws immediately, which matters for an effect judged entirely by eye.

How to use the Glitch Effect Generator

  1. 1

    Load the image

    Portraits and text-heavy graphics glitch most legibly.

  2. 2

    Start with RGB shift

    Two or three pixels of channel separation carries most of the effect on its own.

  3. 3

    Add slicing and scan lines

    Horizontal displacement and scan lines build the analogue-tape feel.

  4. 4

    Lock the seed

    When a random result works, lock the seed so you can reproduce it.

Frequently asked questions

Offsetting the red, green and blue channels from each other by a few pixels. It imitates the colour fringing of a misconverged analogue display and is the single most recognisable glitch effect.

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