“Your disk is almost full.”
Your Messages attachments are eating gigabytes.
MessKit frees them without deleting a single conversation — and everything goes to the Trash first, so nothing is gone until you say so.
Early build shown — final interface may differ in detail.
The part you’re worried about
“What if it deletes something I can never get back?”
It can’t. Not as a promise — as a construction. Here is exactly how MessKit is built, in the same words the app uses on screen:
- 01
Read-only on Messages
MessKit never opens your Messages database for writing.
It reads a snapshot copy of the database, opened read-only. The live database Apple maintains is never opened at all — there is no code path that could write to it.
- 02
Conversations are never touched
Cleanup removes attachment files only — never a message, never a conversation.
Your words stay exactly where they are. Messages shows its native placeholder where an attachment was, and MessKit’s own transcript view shows what was there and where it went.
- 03
Everything goes to the Trash first
MessKit never permanently deletes anything. Removed files land in the macOS Trash, recoverable until you empty it.
You stay in control of the moment anything becomes unrecoverable — that moment belongs to you and the Trash, not to MessKit.
- 04
Preserve before remove
Saving to Photos confirms the import succeeded before the original is ever moved.
The order is enforced in code: import, verify, then trash. A failed import means nothing is removed.
- 05
Every action is on the record
Each move and removal is written to a ledger you can inspect in History — with a “Show in Trash” for every item.
Cleaning someone else’s Mac? Hand it back with a complete record of what changed and how to undo it.
- 06
Your messages never leave your Mac
The engine that reads your Messages data contains zero network code. No telemetry, no analytics, no phone-home.
Networking exists in exactly two places, both optional, both plainly disclosed in Settings → Trust — see the Privacy page for exactly what each one sends.
Before anything moves, the confirmation sheet says exactly what will happen — in plain language.
Messages in iCloud? Read this first.
The only cleaner that tells you the truth about Messages in iCloud
When Messages in iCloud is on, Apple treats local attachment files as a re-downloadable cache: deleting them frees space on this Mac, but iCloud will hold — and may re-download — its copy. Other cleaners let you believe otherwise. MessKit says which kind of space every action frees, ranks what’s actually worth acting on, and walks you to Apple’s own controls for the real iCloud fix.
If Messages in iCloud is on, freeing iCloud space uses Apple’s own tools — with MessKit’s guidance.
Attachments that exist only in iCloud are never selectable for deletion and never counted in “recoverable” totals.
Included: the Library
Every link, address, contact, and payment anyone ever texted you — organized.
MessKit reads every conversation once and builds a Library out of it: links, contact cards, street addresses, events, files, payments, and media — grouped by the person who sent them, each one a click away from the exact spot in the conversation where it appeared.
Browsing the Library is free forever — copy, open, and drag anything out without paying a cent.
More than a cleaner
Built for the jobs people actually show up with
Cleaning a family Mac?
Clean up a family Mac with training wheels on: every change recorded, everything undoable.
Getting your stuff out?
Get your stuff out of Messages — photos to Photos, contacts to Contacts, everything else to a spreadsheet.
Keeping someone’s memory safe?
Save what matters from a conversation before you let the rest go.
Don’t trust tools near your messages?
Read-only by construction — and the app shows you exactly what it does and doesn’t touch. Read the privacy policy — it’s short, specific, and verifiable.
Nothing is abstract: every item shows up in its conversation, exactly as it appears in Messages, before you decide.
See what your attachments cost. That part’s free.
Scan, browse, and inspect everything before paying anything. When you’re ready to reclaim the space: $39.99, once.
Requires macOS 26 (Tahoe) or later.