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Adaptive streaming
Mux-backed player that switches quality automatically and resumes where you left off.
EdTech
Online Learning Platform
Learning that respects the learner's time.
Overview
An indie educator was losing students between videos. The drop-off was not the content — it was the pacing, the auto-play and the lack of a sense of progress.
We rebuilt the player around clear chapters, auto-saving notes and a certificate that students actually wanted to share.
Challenges
- 1
Stream high-quality video without overpaying for bandwidth.
- 2
Save progress per second, even on flaky connections.
- 3
Make certificates that look real on LinkedIn and feel earned.
What was built
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Auto-saved notes
Notes anchor to timestamps; reopening a lesson scrubs you straight there.
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Verifiable certificates
PDF + public verification URL that LinkedIn imports cleanly.
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Course progress
Per-lesson and per-course progress that lets students restart without guessing.
Tech stack
Next.js 16Mux VideoStripeMongoDB AtlasTailwind CSS v4Vercel
Results
+71%
Course completion
82%
Avg. video watched
8,300
Students enrolled
Gallery
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