Two safety nets, both on by default.
Deleting a page (⇧⌘D) shows an Undo button for a few seconds —
one click and the page is back where it was. Beyond that, nothing is destroyed:
the page moves to File ▸ Recently
Deleted…, where it can be restored with one click for 30 days. After
that it's quietly purged. Delete Forever is there when you mean it (and asks
first). Trashed pages vanish from search, links, exports, and the page list immediately —
they're gone from the wiki, just not gone from the world.
While you edit, MojoPad quietly snapshots the page — at most one snapshot every ten minutes. History thins as it ages instead of cutting off: everything from the last two days is kept, then one snapshot per day for a month, one per week for a year, one per month beyond that — so "how did this note read last spring?" still has an answer without the document swelling. Open them from Edit ▸ Page Versions… or by right-clicking a page in the sidebar ▸ Page Versions…. Each snapshot is listed by how long ago it was taken; click one and it renders in a preview beside the list — headings, lists, and formatting as they were, not just raw text. Click Restore this version to bring it back. Restoring is itself reversible: the current state is snapshotted first, so you can step back and forth. (Encrypted pages are never versioned — no plaintext left behind.) This is the answer to "I rewrote this paragraph yesterday and it was better before."
MojoPad quietly zips a complete copy of your document every time you open it,
and once an hour while it stays open and keeps changing — long sessions get
checkpoints too. Want one on demand — say, right before a big reorganization?
File ▸ Back Up Now. The eight most recent backups per document are kept.
File ▸ Show Backups in Finder takes you to them. To restore one: unzip it, and
the result is a normal .mojopad document — open it, or pull pages from it
with File ▸ Merge Document….
Out of the box, backups live in MojoPad's own folder, and they never overwrite each other across documents. They are in addition to whatever Time Machine or your sync service does — belt, suspenders.
Real backups belong on a different disk. Settings ▸ Backups ▸ Keep backups in lets you point the automatic copies anywhere — an external drive, a NAS folder, or inside Dropbox or iCloud Drive so they leave the machine entirely. Click Choose…, pick a folder, and every backup from then on (automatic, hourly, and Back Up Now) lands there; File ▸ Show Backups in Finder follows along. Reset returns to the built-in location.
One promise worth knowing: if your chosen folder ever isn't reachable — the drive is unplugged, the volume unmounted — MojoPad does not skip the backup. It quietly falls back to the built-in folder, so there is always a copy somewhere.
Keep a document in Dropbox, iCloud Drive, or on a shared network volume and MojoPad looks after two things that trip up file-based apps used from more than one place.
Every save is all-or-nothing. A save lands completely or not at all, so a sync service copying your document mid-save can never grab a half-written file — it always sees a whole, valid document.
It notices edits from another machine. If the same document changes on a second computer while you have it open here, a quiet bar slides in: This document was changed on another device, offering Reload (take the latest from disk) or Keep mine (keep what's in front of you). While it waits for your choice, MojoPad holds your own saves, so the two machines can't quietly overwrite each other. MojoPad still works on one copy at a time — it doesn't merge simultaneous edits — but you'll always get a choice instead of a surprise. The safest habit remains one machine at a time: close the document on one before opening it on the other, and let your sync service finish.