aseprite/api

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Scripting API for Aseprite

Stars: 307
Forks: 68
Open beginner issues: 0
Indexed issues: 56

Dominant language: No language data
License: MIT
Last GitHub push: Aug 27, 2026
Latest indexed: Sep 14, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

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56 open issues indexed

Image:putImage() with a position gives varying results Open

aseprite/api#3 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Change Color Mode, Color Profile, add an option to silence error messages with app.open() Open

feature

aseprite/api#8 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Feature suggestion debugger.lua integration? Open

feature

aseprite/api#11 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Sprite sheet export using API Open

feature

aseprite/api#12 · 6 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Add debugging support for Lua Open

feature

aseprite/api#13 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Ability to ask user for path Open

feature

aseprite/api#14 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Resize/Scale Open

feature

aseprite/api#15 · 3 comments · 3 reactions · 0 assignees · Indexed Sep 14, 2026
useTool ellipse should support rotation Open

feature

aseprite/api#17 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
More facilities for Dialog() + user preferences for each script Open

feature

aseprite/api#20 · 1 comment · 6 reactions · 0 assignees · Indexed Sep 14, 2026
Cutom output format Open

aseprite/api#21 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Replacing image with Indexed Color Mode results in transparent color being drawn Open

aseprite/api#26 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Possibility to group several widgets to "Dialog:modify()" them at once Open

feature

aseprite/api#30 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Make the "Remap" functionality available from scripts Open

aseprite/api#32 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
app.command.ExportSpriteSheet missing IgnoreEmpty option Open

aseprite/api#34 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Aseprite Script crashes when attempting to copy-paste between files Open

bug

aseprite/api#36 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Allow Dialog:path() to select a folder Open

feature

aseprite/api#38 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
app.command.ReplaceColor: replace all cels Open

feature

aseprite/api#39 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Feature Request: Access to Selection Pivot / Rotation Point Open

feature

aseprite/api#41 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
How to properly use Pallete `fromFile`? Open

question

aseprite/api#42 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
apiVersion vs branch (v1.2 vs v1.3) Open

feature

aseprite/api#43 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Boundary checking for Color Open

aseprite/api#49 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Dialog Colors & Shades Depend on Active Sprite ColorMode Open

aseprite/api#56 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Link To app.fs In Docs For Objects That Can Be Constructed From File Paths Open

aseprite/api#57 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
MoveCel command parameters? Open

aseprite/api#58 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add a list dialog element Open

aseprite/api#60 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
more dialog:function() possibilities Open

aseprite/api#61 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Sprite:saveCopyAs() inconsistence Open

aseprite/api#62 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Api documentation for tilemaps and tilesets Open

aseprite/api#66 · 0 comments · 2 reactions · 1 assignee · Indexed Sep 14, 2026
[Feature] app.fs.lastSavedPath Open

aseprite/api#75 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature] Dialog:image Open

aseprite/api#76 · 0 comments · 3 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature] Dialog:show { wait = false, alwaysOnTop = true } Open

feature

aseprite/api#77 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Is there an API to fetch the lasso selected areas info.? Open

feature

aseprite/api#80 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
New UIImage kind of object to cache offscreen images/textures Open

feature

aseprite/api#89 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
A way to access widgets by ID / mainly canvas Open

feature

aseprite/api#90 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Is there a way to use HTTP request in scripting? Open

feature

aseprite/api#100 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
App.transaction ignores Layer.isVisible Open

aseprite/api#112 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Document app.command.MaskByColorCommand Open

aseprite/api#116 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
API to change Aseprite's supported file open extensions Open

aseprite/api#119 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Expand Outline Command Documentation Open

aseprite/api#133 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Document app.pixelColor.tile, tileI and tileF methods Open

aseprite/api#136 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Document API pages for Themes.xml and Pref.xml Open

aseprite/api#142 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ExportSpriteSheet Command Missing Selected Frames Frame Option Open

aseprite/api#151 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Child Dialog Becomes Non-Interactive Once Parent Dialog Is Clicked If Child Overlaps Parent Open

aseprite/api#154 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add Lua version to api docs Open

aseprite/api#157 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
add ability for sliders to be double-clicked to return to default value, similar to how native sliders work Open

aseprite/api#159 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add app.preferences to global namespace sidebar Open

aseprite/api#160 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Document GraphicsContext.color accepting a pixelcolor Open

aseprite/api#161 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Document Dialog() onresize parameter Open

aseprite/api#162 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Document Rectangle constructor accepting a point + size Open

aseprite/api#165 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Document dialog.data for file widgets and tabs Open

aseprite/api#166 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026

aseprite/api

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