Alternatives

Products that do what For each pixel, change some surrounding pixels; repeat does

1IE
Image Effects with CSS▲203
2016 · bennettfeely.com
2RP
Reorganize pixels of a painting into a smooth color palette using PCA▲95
2016 · github.com
3SI
Simple image resizing/optimization service▲171
2017 · scaley.io
4AO
Advent of Pixels▲34
2018 · advent.klart.io
54D
4K Desktop Wallpaper Generator▲258
2021 · tanck.nl
6SP
Swapping Position and Brightness in Grayscale Images▲36
2017 · productchart.com
7GC
Get colour palettes from pictures▲132
2017 · pictones.firebaseapp.com
8RI
Resize images using the FFT▲63
2013 · code.google.com
9PP
Pixel Physics▲20
2021 · victorribeiro.com
10IB
I built a reverse image search for pixel art▲129
2021 · github.com
11RI
Recoloring Images▲8
2011 · theimaginaryhackathon.tumblr.com
12AC
A curated set of colour combinations▲102
2020 · duo.alexpate.uk
13AA
Amplify – A tiny script allowing inline image zoom▲50
2017 · github.com
14PP
Pix.pe – Easily sharable pixel art▲59
2013 · pix.pe
15RY
Resize Your Images in Bulk▲8
2022 · sizematters.app
16AS
A simple algorithm for shifting solid-color image backgrounds (WASM)▲5
Jan 2026 · github.com
17RC
Re-coloring images for the color blind▲8
2016 · github.com
18UW
Updated wave method of building color palette▲15
2019 · wavepalette.com
19CI
Customizable Image Zoom with Pure JavaScript▲16
2016 · desmonding.me
20PA
Pixel Art Editor built with ClojureScript/Om▲21
2014 · jackschaedler.github.io
21ST
Script to optimize your images▲5
2017 · gist.github.com
22U3
Using 3D CSS transform to make a "live screenshot"▲19
2013 · scalatutorials.com
23PA
Picfit, an image resizing written in Go▲8
2015 · medium.com
24FT
Framepop – Turn photos into framed prints▲15
2015 · itunes.apple.com

Ranked by how close each launch is in meaning, then by votes. Refine with a description →