Convert Meta and X archives to Bluesky in the browser
CAS number validator and spreadsheet cleaner for chemical data
Stage
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Founded
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Based in
CA
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Pricing model
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Free
Pricing
Free tier: limited post and chat preview. Paid plans: Bluesky Standard ($5 CAD) for one Bluesky account, Bluesky Agency ($30 CAD) for up to 10 Bluesky accounts, Chat Archive ($15 CAD) for full Messenger/WhatsApp download, FbZip Complete ($40 CAD) for chat archive plus posts for up to 10 Bluesky acco
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Key features
Import Meta, WhatsApp, and X archive ZIPs in browser
Large file support with chunked uploads
Edit text, hashtags, and media before publishing
Publish posts to Bluesky with automatic or manual formatting
Host long posts as articles with Bluesky link cards
Download encrypted .fbzpkg packages for local storage
Build searchable Messenger and WhatsApp chat archives
Free desktop app for offline chat and post browsing
Invite Messenger groups to Bluesky
Bulk editing for hashtags and text
CAS number format and check digit validation
Normalize spacing and formatting
Flag duplicate entries
Detect date conversion errors
Support Excel and CSV files
Preserve original data in exports
Process files in browser without uploading
Offline mode support
Handle large files up to 50,000 rows
Support multiple text encodings
What makes it different
Convert multiple social networks (Meta, X) in one upload
Preserve original post dates when publishing to Bluesky
Handles large multi-GB exports with chunked uploads
Optional free desktop viewers for offline access
No signup or account required
Data stays on your device, nothing is uploaded
Original file never modified
Independent from CAS and American Chemical Society
FbZip2Blue
ChemDataDoctor