Learn · offloading, checksums and backups

The Backlot.

The flagship entry

The copy was never the hard part.

Why verified offload software costs money, and why keeping it correct — not copying it — is the actual job.

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What Verification Actually Means

Every offload tool says “verified.” The word is doing wildly different work in each case.

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Why Two Copies?

Everyone says it. Almost nobody says why — and the reason usually given is not the reason that matters.

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When to Format a Card, and How

Formatting is the last thing you do to a card, and the only step you can’t undo.

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Why the Finder Isn’t Enough

Dragging a folder from a card to a drive is not a bad workflow because the Finder is bad software.

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xxHash, MD5, SHA-256, BLAKE3: which checksum?

Every offload app picks a checksum, and the newer ones like to advertise theirs.

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The Files That Look Fine

A broken clip has a name, a size, and a thumbnail. It doesn't look damaged. That's the whole problem.

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What Is an MHL?

A Media Hash List is a receipt for a copy: what was copied, from where, and the fingerprint of every file.

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How Much Storage Does an Hour of 4K Take?

Somewhere between about 24 GB and more than 500.

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How Much Life Does Your SSD Have Left?

Every SSD in your bag is wearing out. Slowly, predictably, and on a schedule it keeps track of itself.

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What Happens When a Copy Fails

The failures worth designing for are not the ones that stop the job. They are the ones that let it finish.

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How Much to Charge for a Wedding Video

Your price is the first thing a couple learns about you. Make sure it says what you mean.

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