What causes "Kapwing Editor Slow, Laggy or Freezing"?

Large project or many layers Browser memory cap (about 4 GB in Chrome, per Kapwing) Slow upload/download speed Device under 8 GB RAM or little free disk space Project still loading

How do I fix "Kapwing Editor Slow, Laggy or Freezing"?

1. Use Chrome and free memory: Use an up-to-date Chrome Close other tabs and apps and restart the device regularly 2. Let the project load: Wait 5-10 minutes after opening before editing 3. Reduce layers or split the project: Duplicate the project with the arrow by its name Split at a timestamp and keep each half in its own project Optionally re-upload exported segments into a fresh project 4. Check your internet speed: Aim for 30 Mbps upload and 60 Mbps download Use a wired connection 5. Clear site data: Click the lock icon by the URL, Site Settings, Clear data

Kapwing Editor Slow, Laggy or Freezing

Ongoing Web (Chrome, Safari, Edge, Firefox) Updated November 13, 2026Based on 3 user reportsHow we research

Quick answer

Kapwing runs entirely in the browser, so lag comes from too many layers, low memory, a slow connection or the browser itself. Use Chrome, close other tabs and reduce layers.

Most likely fix: Use Chrome and free memory

How to fix it

Try these in order — the most common fix is first.

1. Use Chrome and free memory
1. Use an up-to-date Chrome
2. Close other tabs and apps and restart the device regularly
Did this fix it?
2. Let the project load
1. Wait 5-10 minutes after opening before editing
Did this fix it?
3. Reduce layers or split the project
1. Duplicate the project with the arrow by its name
2. Split at a timestamp and keep each half in its own project
3. Optionally re-upload exported segments into a fresh project
Did this fix it?
4. Check your internet speed
1. Aim for 30 Mbps upload and 60 Mbps download
2. Use a wired connection
Did this fix it?
5. Clear site data
1. Click the lock icon by the URL, Site Settings, Clear data
Did this fix it?