Core capabilities

A cross-platform workflow around “Migrate / Save / Sync”.

Cross-platform migration

Move chats from one platform to another while keeping context intact.

Local library

Save and search your chat history, then insert references anytime.

Cloud sync

Sync across devices (sign-in required).

Pro membership

Higher quotas and more capabilities, with monthly / quarterly / yearly plans.

Quick start in 3 steps

Install first. Sign in only when you want Cloud Sync and other online features.

1

Install & pin

Click “Install extension” in the header, then pin BridgeOS to your browser toolbar (recommended).

2

Enable Cloud Sync (optional)

Open Hub → Cloud Sync, then sign in with Google to enable multi-device sync (you can also do this later).

3

Start using

Open ChatGPT / Claude / Gemini and use BridgeOS to migrate a chat or save it to your local library.

Supported platforms

ChatGPT / Claude / Gemini for now. More platforms coming soon.

ChatGPT

Chat migration, export, and library insertion.

Claude

Chat migration and cross-platform sending.

Gemini

Chat migration and cross-platform sending.

Pricing

Pro supports monthly / quarterly / yearly billing. Upgrade from the Membership page in the extension.

Monthly · ¥19.9 / mo

• Unlock Pro benefits
• Higher quotas (migration / library)
• Cloud sync and membership status

How to upgrade

Quarterly · ¥49 / quarter (Save 18%)

• Pro for 3 months
• Fewer renewals
• Great for regular use

How to upgrade

Yearly · ¥179 / year (Best value)

• Pro for 12 months
• Best value
• Ideal for power users

How to upgrade