Anyone who has worked on a team presentation knows the pain of files named "final", "final-v2" and "final-really-final-JM-edits". Comments get lost, changes overwrite each other and nobody is sure which version was shown to the board last quarter. Developers solved this problem for code long ago with version control systems like Git. When slides are written in HTML or Markdown, the same tools can bring order to presentations too.
Why text-based slides suit version control
Traditional slide files are binary packages. A version control system can store them, but it cannot easily show what changed between two versions. Slides written as HTML, Markdown or similar text formats are different. Every change shows up as readable lines added or removed. That means you can review edits, see who changed a sentence and roll back mistakes in seconds.
Tools such as reveal.js, Slidev and Marp all let you write slides as text files, and many AI tools now generate HTML slides directly, so this workflow is more accessible than ever.
A simple repository structure
Keep things tidy with a predictable layout:
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slides/for the main deck source files. -
assets/for images, logos and charts. -
exports/for generated files such as PDF or PPTX, often excluded from version control and stored as release artifacts instead. -
README.mdexplaining how to preview and export the deck.
Use branches for big changes
When preparing a version of the deck for a specific audience, such as an investor update or a conference talk, create a branch. You can experiment freely without disturbing the main version. If the changes prove useful, merge them back. If not, delete the branch.
Review changes like code
Pull requests are not just for software. A colleague can review slide changes, suggest wording and approve the update before it goes out. This catches typos, outdated figures and inconsistent messaging. Reviews also create a written record of why changes were made, which is invaluable months later.
Tag releases
Whenever a deck is presented or sent externally, tag that commit with a meaningful name, like board-2026-q3 or conf-talk-nov-2026. Later, you can check out exactly what was shown and regenerate the files if needed.
Exporting for people outside the repository
Most audiences will not clone a repository. They want a file they can open. For each tagged release, export the deck to the formats your audience uses. PDF is good for reading, while PowerPoint is often requested by companies that standardise on Office. A browser-based converter like HTML to PPTX can turn your rendered HTML slides into a PPTX that preserves the look of each slide. Attach the exported files to the release, so anyone on the team can find the exact file sent for each occasion.
Because the export captures the visual appearance, treat it as an output rather than a place to edit. If something needs changing, update the source, commit, tag and export again. This keeps the repository as the single source of truth.
Automate where it makes sense
Teams that update decks frequently may automate parts of the process. A continuous integration job can build the HTML preview whenever changes are pushed and publish it to an internal page for review. PDF exports can often be generated automatically with a headless browser. Even if the PPTX export remains a manual step, automating previews saves time and catches broken slides early.
Handle assets carefully
Large images and videos can make a repository slow. Compress images before committing, keep video files outside the repository or in large file storage and reference them by link. Use consistent file names so it is easy to see which asset belongs to which slide.
Bringing non-developers along
Not everyone on a presentation team knows Git. Web-based interfaces on platforms like GitHub or GitLab let colleagues edit text files and propose changes from a browser. Alternatively, they can comment on preview links and let a teammate apply the edits. Short guides in the README lower the barrier further.
Fewer "final-final" files
Version control turns a chaotic folder of slide files into a clear history of decisions. Combined with reliable exports for each release, it gives teams the flexibility of text-based slides and the convenience of familiar formats for their audience. The result is fewer mistakes, faster reviews and a deck history you can trust.
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