Posthog Session Replay Portable ((exclusive)) May 2026

Because the posthog-replayer library is open source and dependency-free, you can embed this player into your own internal admin dashboard, a Slack bot, or a local debugging tool. You are not forced to use PostHog's UI. You can even write a simple Node script that converts the JSON snapshots into an HTML file. Double-click that file on a disconnected laptop, and you will see a perfect pixel-for-pixel replay of your customer’s journey. Part 6: Portability vs. Privacy A quick note on legal compliance. Portability sounds amazing, but with great power comes great responsibility.

Enter .

Most session replay tools (e.g., Smartlook or Mouseflow) operate on a "walled garden" principle. You record user sessions via their proprietary script, the data lives on their servers, and the replay player is a proprietary iframe embedded in their dashboard. If you stop paying, you lose access to every recording. Even if you stay, you often cannot pipe that raw data into your own data lake. posthog session replay portable

In the modern era of product analytics, data lock-in is the silent killer of startup agility. Many teams fall in love with a tool, only to realize months later that migrating their historical data—specifically their session replays—is technically impossible or financially prohibitive. Because the posthog-replayer library is open source and

// Mount the player to a div in your DOM player.mount(document.getElementById('replay-container')); Double-click that file on a disconnected laptop, and

A Kubernetes cluster or Docker host, AWS S3 bucket, and PostHog Helm charts.