impress/impress.js

It's a presentation framework based on the power of CSS3 transforms and transitions in modern browsers and inspired by the idea behind prezi.com.

Stars: 38.2k
Forks: 6.6k
Open beginner issues: 0
Indexed issues: 51

Dominant language: JavaScript
License: MIT
Last GitHub push: Jul 23, 2026
Latest indexed: Sep 17, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted good first issue
PR merge metrics: No merged PRs in 30d

Open All

51 open issues indexed

URL changes after the whole transition animation is finished Open

backlog Need Investigation

impress/impress.js#367 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
HTML5 Text To Speech API integration Open

impress/impress.js#420 · 17 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
User can Scroll in Windows leading to bad render Open

impress/impress.js#438 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Different easing-types for transitions? Open

backlog

impress/impress.js#488 · 9 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Smooth/quality SVG scaling problem Open

backlog

impress/impress.js#501 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
IE cubic problem Open

impress/impress.js#576 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Document the supported node version for development environment Open

impress/impress.js#589 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
CSS3 scale property produces bad quality on lower-than-config-resolution windows Open

impress/impress.js#609 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Add browserify support to make npm module more meaningful Open

impress/impress.js#615 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Replace #fragments in history to avoid cluttering the browser session history Open

impress/impress.js#644 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Create a webpage for impress.js Open

help wanted

impress/impress.js#645 · 2 comments · 3 reactions · 0 assignees · Indexed Sep 17, 2026
Import PPT/PDF to impress.js Open

help wanted

impress/impress.js#648 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Step independent zooming & panning Open

impress/impress.js#649 · 9 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
Step transitions are not smooth in Firefox Quantum Open

impress/impress.js#650 · 3 comments · 3 reactions · 0 assignees · Indexed Sep 17, 2026
push v1.0.0 to npm Open

impress/impress.js#653 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Use common file to list qunit tests to run Open

impress/impress.js#658 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Test coverage for all plugins Open

good first issue help wanted

impress/impress.js#659 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Check that developer remembered to do node build.js before git commit Open

impress/impress.js#660 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Refactor src/lib/gc.js to use single stack Open

impress/impress.js#661 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Introduce jsdoc api documentation Open

documentation help wanted

impress/impress.js#662 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Move to uglify-es for build.js Open

help wanted

impress/impress.js#663 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Remove the support for multiple impress root elements on a page Open

impress/impress.js#664 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Re-enable testing with Safari and IE / Edge Open

impress/impress.js#666 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Control playback of media from speakerConsole Open

impress/impress.js#668 · 15 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Feature request: Polar and spherical coordinates for positioning of steps Open

help wanted

impress/impress.js#669 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Add documentation about using gc to src/plugins/README.md Open

documentation

impress/impress.js#677 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Automate release process Open

impress/impress.js#680 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Transition duration after window resize set to 500ms Open

impress/impress.js#682 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
impressConsole: View end Preview iframes not scaled correctly for large presentation widths Open

impress/impress.js#692 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
npm specific README Open

impress/impress.js#699 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 17, 2026
extra addons as npm dependencies Open

help wanted

impress/impress.js#700 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Shift + Spacebar should move back to the previous slide Open

impress/impress.js#710 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Link elements to substep Open

impress/impress.js#719 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Convert impress.js presentations to video format for kiosk mode? Open

impress/impress.js#727 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Display substeps (plugin) in navigation controls? Open

impress/impress.js#731 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Refactor: Make core a general "3D animation API", move parsing of steps to plugin Open

impress/impress.js#742 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Vertical automatic sizing of slides cuts off top. Open

impress/impress.js#750 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
throttle function implements as debounce Open

impress/impress.js#792 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Use "slide videos", with cut at precise frames Open

impress/impress.js#800 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Allow Markdown in separate md file Open

impress/impress.js#813 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Auto active substep Open

impress/impress.js#814 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Wiki pages gone Open

impress/impress.js#830 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Update npm package Open

impress/impress.js#838 · 3 comments · 3 reactions · 0 assignees · Indexed Sep 17, 2026
Rename default "master" branch to "main" Open

impress/impress.js#842 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Add impress.min.js to releases Open

impress/impress.js#843 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Positioning off on mobile devices Open

impress/impress.js#844 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Overview plugin Open

impress/impress.js#853 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Major Refactor Open

impress/impress.js#863 · 19 comments · 4 reactions · 0 assignees · Indexed Sep 17, 2026
Export impress.js presentation as a Video using ccapture.js Open

impress/impress.js#864 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026
Publish Library to NPM Open

impress/impress.js#879 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 17, 2026

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