Source: https://seerepo.com/compare/remotion-dev/remotion/vs/Stirling-Tools/Stirling-PDF
Markdown source: https://seerepo.com/compare/remotion-dev/remotion/vs/Stirling-Tools/Stirling-PDF.md
Description: remotion and Stirling-PDF share 3 technologies: React, Vite, and AWS S3. Both are written in TypeScript.

# remotion vs Stirling-PDF

remotion and Stirling-PDF share 3 technologies: React, Vite, and AWS S3. Both are written in TypeScript.

- [remotion-dev/remotion](https://seerepo.com/r/remotion-dev/remotion): 🎥      Make videos programmatically with React
- [Stirling-Tools/Stirling-PDF](https://seerepo.com/r/Stirling-Tools/Stirling-PDF): #1 PDF Application on GitHub that lets you edit PDFs on any device anywhere

## What they share and what sets them apart

- In common: React, Vite, AWS S3
- Only in remotion: Remix
- Only in Stirling-PDF: FastAPI, Spring, Supabase, Postgres, Stripe, PostHog

## Side by side

| | remotion | Stirling-PDF |
|---|---|---|
| Size | 1,733,399 lines written, 8,198 code files | 1,123,883 lines written, 4,330 code files |
| Who writes it | 13% of its commits signed by AI. With Codex, GitHub Copilot, Cursor, Claude Code, and CodeRabbit | 2.1% of its commits signed by AI. With GitHub Copilot, Claude Code, and Codex |
| Activity | Last push October 30, 2026, 31,963 commits, 69,127 stars | Last push October 29, 2026, 5,704 commits, 95,347 stars |
| Tests | 1,372 test files. 14.4% of its code files have a test that imports them | 2,034 test files. 48.5% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, remotion or Stirling-PDF?

remotion, with 1,733,399 lines written in 8,198 code files; Stirling-PDF has 1,123,883 in 4,330.

The proof: [remotion-dev/remotion's code at commit 02123e3](https://github.com/remotion-dev/remotion/tree/02123e39ee4778885686bdf3177ab58f2c036828)

### Which has more GitHub stars, remotion or Stirling-PDF?

Stirling-PDF, with 95,347 stars; remotion has 69,127.

The proof: [Stirling-Tools/Stirling-PDF on GitHub](https://github.com/Stirling-Tools/Stirling-PDF)

### Which has more tests, remotion or Stirling-PDF?

Stirling-PDF, with 2,034 test files; remotion has 1,372.

The proof: [Stirling-Tools/Stirling-PDF's code at commit 025f763](https://github.com/Stirling-Tools/Stirling-PDF/tree/025f763f015243327d0de9079403c0436a8504e2)

### Which was updated more recently, remotion or Stirling-PDF?

remotion: its last push was on October 30, 2026, and Stirling-PDF's on October 29, 2026.

The proof: [remotion-dev/remotion's commits on GitHub](https://github.com/remotion-dev/remotion/commits)

### Which has more commits signed by AI, remotion or Stirling-PDF?

remotion: an AI signed 13% of its commits, with Codex, GitHub Copilot, Cursor, Claude Code, and CodeRabbit; in Stirling-PDF, 2.1%.

The proof: [the commits each tool signed in remotion-dev/remotion](https://seerepo.com/r/remotion-dev/remotion/ai)

## Sources

- remotion-dev/remotion: Read on October 30, 2026, at commit 02123e3 (https://github.com/remotion-dev/remotion/tree/02123e39ee4778885686bdf3177ab58f2c036828)
- Stirling-Tools/Stirling-PDF: Read on October 29, 2026, at commit 025f763 (https://github.com/Stirling-Tools/Stirling-PDF/tree/025f763f015243327d0de9079403c0436a8504e2)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.