> For the complete documentation index, see [llms.txt](https://docs.whalesync.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.whalesync.com/features.md).

# Features

- [Two-way sync](https://docs.whalesync.com/features/two-way-sync.md): Sync data bi-directionally between apps
- [Issues](https://docs.whalesync.com/features/issues.md): View and manage errors impacting your sync
- [Operations](https://docs.whalesync.com/features/operations.md): View a running list of all sync operations Whalesync has made
- [Record matching](https://docs.whalesync.com/features/record-matching.md): Match records that already exist prior to turning on sync.
- [Filters](https://docs.whalesync.com/features/filters.md): Set filters that determine which data syncs
- [Auto-create tables](https://docs.whalesync.com/features/auto-create-tables.md): Automatically generate tables/fields in Airtable, Notion, or Google Sheets from your other connected app.
- [Additional features](https://docs.whalesync.com/features/additional-features.md)
- [Automapping](https://docs.whalesync.com/features/additional-features/automapping.md): Automatically map tables or fields that share the same name
- [Creating users via Whalesync](https://docs.whalesync.com/features/additional-features/creating-users-via-whalesync.md): How to create users thru a sync in apps like Memberstack or Webflow Memberships
- [Delete approval queue](https://docs.whalesync.com/features/additional-features/delete-approval-queue.md): Review and approve deletes before they sync to your destination
- [Delete protection](https://docs.whalesync.com/features/additional-features/delete-protection.md): Setting to disable deletes in one of your tables for extra piece of mind
- [File hosting](https://docs.whalesync.com/features/additional-features/file-hosting.md): Details about Whalesync file hosting
- [HTML and Markdown field extensions](https://docs.whalesync.com/features/additional-features/html-and-markdown-field-extensions.md): Sync raw HTML and Markdown from Airtable, Google Sheets, and Postgres into a rich text field
- [Reference fields](https://docs.whalesync.com/features/additional-features/reference-fields.md): Whalesync offers out-of-the-box support for reference fields (i.e. linked record fields)
- [Sync preview](https://docs.whalesync.com/features/additional-features/sync-preview.md): Preview the initial sync changes Whalesync will make.
- [Delay before syncing](https://docs.whalesync.com/features/additional-features/delay-before-syncing.md): Delay record changes to reduce unnecessary updates
- [Selective row-level sync](https://docs.whalesync.com/features/additional-features/selective-sync.md): Disable sync for specific records