Posthog Session Replay Portable 'link' May 2026

PostHog Session Replay "portable" functionality primarily refers to the ability to export recordings for offline use the platform for full data ownership

. While there isn't a single "portable" software package, you can achieve portability through these official methods: 1. Exporting for Offline Keeping

You can make individual recordings "portable" by exporting them as files. This is useful for preserving data beyond your standard retention period or for legal/compliance archiving. Export to JSON : Open a recording and select "Export to JSON" from the more options menu (top right). Re-importing

: These JSON files can be imported back into any PostHog instance for playback later, making the data independent of the original instance's expiration settings. Beta Video Export

: PostHog is currently testing a beta feature to export recordings directly as video files for easier sharing in non-technical environments. 2. Self-Hosting for Data Sovereignty

If "portable" means having a private, mobile instance of the entire platform, you can self-host PostHog on your own infrastructure. Docker Compose : Use the free, open-source Docker Compose deployment

to run PostHog on any server (e.g., a local machine, a private cloud, or a portable server). Complete Control

: Self-hosting removes cloud-imposed limits on data retention and ensures your session data never leaves your infrastructure. 3. Portable Sharing Options You can share replays without requiring others to have a Public Links

: Generate a public link to share a specific replay with anyone outside your organization.

: Use an iframe to embed a session replay directly into external documentation or internal wikis. Screenshots : Use the built-in Screenshot tool posthog session replay portable

PostHog's session replay capabilities do not feature a standalone "portable" mode in the traditional sense (like a single-file executable). Instead, "portable" in this context typically refers to the platform's export capabilities offline SDK handling self-hosted architecture

that allows the entire stack to be moved into private environments Key Components of "Portable" Session Replay Offline Export

: Users can export session recordings for offline viewing or "safe keeping," allowing them to be shared or reviewed outside the PostHog platform Mobile Offline Buffering

: The mobile SDKs (iOS, Android, React Native, Flutter) store captured session data in a local queue if a device is offline. These events are automatically pushed to the server once a connection is re-established. Self-Hosted Sovereignty

: Because PostHog is open-source, the entire session replay infrastructure can be self-hosted (e.g., via Docker). This makes the tool "portable" across different cloud providers or private data centers, ensuring full data residency and security. Core Replay Features

PostHog's replay tool provides more than just video-like playback; it includes technical context necessary for debugging: Console Logs & Network Activity

: Captures console output and network request metrics to help identify the root cause of frontend bugs. DOM Explorer

: Allows developers to inspect the page's structure directly within the replay. AI Summaries

: Automatically generates summaries of key session moments so you don't have to watch every recording in full. Privacy Controls User clicks a button

: Includes default masking for text inputs and images to protect sensitive user data. Implementation Options posthog-js @posthog/react for easy installation via npm or yarn.

: Native SDKs for iOS and Android support "Wireframe mode" (capturing view hierarchies instead of screen screenshots) to improve performance and privacy. on how to set up an offline-first implementation using the mobile SDKs? The best session replay tools for developers, compared

PostHog's session replay is highly portable across platforms, enabling you to record and watch user interactions on React Native Key Portable Features Multi-Platform Support : Capture sessions on web apps via posthog-js

or on mobile apps using native and cross-platform SDKs (Android, iOS, React Native, Flutter). Shareable Links

: Individual replays can be shared via direct links or organized into collections for internal reviews. Integration Flexibility

: Replay links can be automatically added as attributes in tools like or linked to support tickets in Data Portability : You can export recording data to formats for external analysis or documentation. Implementation Highlights : Quick setup by installing the PostHog-js library or using a snippet. Mobile (Android/iOS)

: Uses "wireframe" or "screenshot" modes to reconstruct sessions, ensuring visibility even on complex mobile UI frameworks like SwiftUI. Privacy & Control : Includes portable Privacy Controls ph-no-capture tags to mask sensitive data across all platforms. For developer-specific details, you can explore the Session Replay Architecture

or find installation guides for your specific tech stack in the PostHog Docs code snippets

for integrating PostHog session replay into a particular platform? Privacy controls - Docs - PostHog making data migration

Example Minimal Client Flow (pseudocode)

init(...)
startSession()
takeFullSnapshot()
observeMutations()
onEvent(e) buffer.push(serialize(e)); if(buffer.size>threshold) flush() 
flush() compress(buffer); post('/replay', payload) with retries; persist queue to IndexedDB on failure

The "Blob" Storage Strategy

Traditional session replay records DOM mutations. PostHog captures these events as JSON blobs. Instead of storing these in a proprietary database format, PostHog allows you to pipe these blobs directly into object storage.

The workflow is simple:

  1. User clicks a button.
  2. PostHog SDK captures the click coordinates and DOM snapshot.
  3. The data is sent to your PostHog instance (Cloud or Self-Hosted).
  4. The Portable Step: A background worker exports these snapshots as compressed JSON files to your S3 bucket.

Because the data is stored as standard JSON (not a binary proprietary format), you can write a simple Python or Node script to read these files and reconstruct the session without ever touching PostHog’s server.

Why PostHog Session Replay Breaks the “Black Box” Barrier

Session replay is invaluable for debugging UX issues—but it’s often locked inside vendor silos, making data migration, compliance audits, or custom analysis a nightmare. PostHog’s approach stands out because it’s built portable from the start.

🔁 Portable vs. Standard PostHog Cloud

| Feature | PostHog Cloud (SaaS) | Portable (Self-Host) | |---------|----------------------|----------------------| | Data residency | EU/US only | Anywhere you deploy | | Export raw replays | Limited (via API) | Full database access | | Maintenance | None | Team handles upgrades | | Cost | Free tier + usage | Infrastructure + support (optional) |

Part 1: The Traditional Trap (The Walled Garden)

Before we unpack "portable," let's look at the status quo.

Most SaaS session replay tools operate on a Black Box model. You install their script, they capture a massive video-like feed, and you pay per "recording." If you want to leave, you lose your history. If you want to analyze the data-layer differently, you are subject to their query limits.

The core problems of non-portable Replay:

  1. Compliance nightmares (GDPR/CCPA): Deleting a user’s data often requires support tickets and manual engineering work.
  2. Analytical dead ends: You can watch a user rage-click, but you can't join that rage-click event to your billing system to see if they are a high-value customer.
  3. Cost scaling: As you record more sessions, costs explode because you pay the vendor for storage and egress.

PostHog fixes this not by building a slightly better player, but by changing the data model entirely.

Implementation checklist

  1. Define JSON schema for events and metadata.
  2. Implement exporter in SDK that packages replays into a ZIP with manifest and checksums.
  3. Build a lightweight, embeddable player that reads the package and replays offline.
  4. Add configurable redaction rules and a summary report of what was removed.
  5. Provide CLI tools or APIs to import/export between PostHog and other systems.
  6. Document the format and versioning policy.

Step 3: The Portable Export Script (Python Example)

Here is a script to pull a session replay and dump it locally for analysis.

from posthog import Posthog
import json