piskelapp/piskel

piskelapp/piskel has 12,972 GitHub stars and 934 forks. GitHot measured +4 stars in 24 hours. Last checked 2026-11-08 21:13 UTC. Last push 2026-11-04.

How these counts are measured

A simple web-based tool for Spriting and Pixel art.

12,972 stars 934 forks +4 in 24h

Measured star growth

in 24h: +4
in 7 days: Update delayed
in 15 days: Update delayed
in 1 month: Update delayed

Net star changes over overlapping periods, not daily totals. Missing measurements are left blank. Stars measure attention, not software quality.

README.md

Original

Piskel

Piskel is an easy-to-use sprite editor. It can be used to create game sprites, animations, pixel-art... It is the editor used in piskelapp.com.

About Piskel

Built with

The Piskel editor is purely built in JavaScript, HTML and CSS.

We also use the following libraries :

spectrum : awesome standalone colorpicker
gifjs : generate animated GIFs in javascript, using webworkers
supergif : modified version of SuperGif to parse and import GIFs
jszip : create, read and edit .zip files with Javascript
canvas-toBlob : shim for canvas toBlob
jquery : used sporadically in the application
bootstrap-tooltip : nice tooltips
playwright: End to end testing

As well as some icons from the Noun Project :

Folder by Simple Icons from The Noun Project
(and probably one or two others)

Browser Support

Piskel supports the following browsers:

Chrome (latest)
Firefox (latest)
Edge (latest)
Brave (latest) but only if canvas fingerprinting is disabled (more info)

Mobile/Tablets

There is no support for mobile.

Offline builds

Offline builds are available. More details in the dedicated wiki page.

Contributing ?

Reporting an issue

Found a problem when using the application, want to request a feature, open an issue.

How each feature is expected to behave is described in the feature specs.

About PR contributions

PR Contributions we accept

Small, straightforward fixes (documentation updates, typos, incorrect strings, minor bugs): only a few words or lines.

PR Contributions we are unlikely to merge/review

Large or complex bug fixes that are spread across multiple areas of the codebase
Major refactors that require significant testing, validation, or architectural discussion
Pull requests that modify the user experience or introduce new features

You are still welcome to open a PR, but please note that complex or UX-impacting changes are unlikely to be reviewed or merged due to limited time and resources.

Setting up Development environment

Have a look at the wiki to set up the development environment.

License

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.