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Avid Technology Partner
AAF Checker

Check any AAF,
free.

Drag in an AAF and know whether it will import cleanly, before you commit: media links, timecode, sample rate and frame rate, validated in seconds. No account, no cost, forever.

Any AAFNo DAW requiredmacOS 13+
AAF Checker report
How it works

Drop the file. Read the report.

Drop

Drag it in. Done.

No account, no setup, no DAW. Open AAF Checker, drop the file, and it validates the whole AAF in seconds.

Analysis

Know it imports before you import.

Media links, timecode, session start, sample rate, frame rate. AAF Checker verifies the file is configured right and flags what will break the import, before it costs you an afternoon.

Report

Zero surprises in the session.

You know the AAF will import cleanly before it touches your timeline. And when you want the import done for you, fPost picks up from here.

1Drop
2Report
3Import

Everything you need to trust the file

AAF Checker validates the whole file and tells you the truth about it. No account, no cost, no DAW.

Media link check

Every audio file the AAF points to, verified before you import: present, readable and properly linked. Missing or unreadable media means the import will not work — you find out now, not mid-session.

No DAW requiredmacOS 13+

Timecode & session start

Timecode and session start read and verified, so the session lands exactly where it should.

Free
no account, no cost, forever

Sample rate & frame rate

A misconfigured sample rate or frame rate is flagged as a warning before it matters.

Flags issues up front

Issues are sorted into warnings a professional should review and failures that will block the import — before you import, not after.

Built on the same engine as fPost.

AAF Checker reads files with the same core that powers fPost. When you are ready to have the import done for you, the upgrade path is one step.

Media linksTimecodeSample rateFrame rate

For everyone who receives files they did not make

Assistant editors, dialogue editors, supervisors and facilities use AAF Checker as the first gate of every turnover.

Next step

Like what the report says?
Let fPost do the import.

Same engine, one step up: fPost takes the AAF you just checked and hands you a session that is routed, named and ready to mix.

Explore fPost →

The first gate of every turnover.

fPost handles the copy-pasting, the update chasing, the formatting and the status checks, so your crew can spend that time listening and solving real problems.

Ceri Thomas
Founder, IMMERSV · ex Dolby, Apple

The prep that used to eat my mornings just happens now. I open the session and it is already done.

Oli Jacobs
Mix engineer · Kendrick Lamar, Sabrina Carpenter, Harry Styles

Even with complex custom-coded automation, I still struggled in the studio. With Forte that burden is gone. Priceless.

Ricky Damian
Mix engineer · Mark Ronson, Lady Gaga, Jorja Smith

Forte has changed everything for me when it comes to mix prep. I can't recommend it enough.

Emre Ramazanoglu
Producer · David Bowie, Brian Eno, David Holmes

Check for mono files as stereo, import them, move tracks around, color code, strip silence. Forte makes all of it quicker so you get to the good bit faster.

Cameron Craig
Mix engineer · Adele, Björk, Amy Winehouse

Forte has become a daily part of my Pro Tools workflow. The import and batch stem export is a massive time saver.

Sean P. Jones
Mix engineer · Timbaland, J Balvin, Alessia Cara

Frequently asked questions

Have a question about AAF Checker? These are the ones we hear most. If yours is missing, get in touch.

An AAF (Advanced Authoring Format) file is an interchange container used to hand a project from a video editor to an audio workstation. It carries the timeline structure, audio clips and metadata, with references to the underlying media. Before importing one into Pro Tools, the free AAF Checker tells you whether it will import cleanly.
AAF Checker is a free macOS app that checks an AAF before you import it. It validates the state of the file, including whether the media is properly linked and readable and whether the timecode, session start, sample rate and frame rate are configured correctly, so you know in advance whether the AAF will import without problems.
AAF Checker sorts issues into warnings and failures. Warnings are cases where the import will work but a professional should review them, such as a misconfigured timecode, session start time, sample rate or frame rate. A failure means the import will not work, because audio media linked to the AAF is missing or unreadable.
No. AAF Checker is a pre-import quality check, not a clip-level content viewer. It reports on the integrity and configuration of the AAF, such as media links, timecode, sample rate and frame rate, rather than the contents of each track. To turn an AAF into a ready-to-mix Pro Tools session, that is fPost.
An AAF imports with missing or offline media when Pro Tools cannot locate the linked files, or when the media is unreadable. Run the AAF through AAF Checker first: it flags missing or unlinked media before you import, so you fix relink problems up front instead of discovering them mid-session.
Yes. AAF Checker is free forever and needs no account; you only need an internet connection to download it. It runs on macOS and checks any AAF locally on your Mac, with nothing uploaded.
No. AAF Checker reads your AAF locally on your Mac. Nothing is uploaded, which matters for material under NDA or embargo where sending a file to an online service is not an option.
AAF Checker checks whether an AAF will import cleanly. It does not show clip-level contents, and it does not convert, repair or import the file. For automated import into a named, template-matched Pro Tools session, that is fPost, the paid step.
AAF Checker tells you, for free, whether an AAF will import cleanly and what to fix first. fPost goes further and automatically builds a mix-ready Pro Tools session from the AAF, named and matched to your template. fPost will also fold AAF Checker’s import-readiness reports in directly in an upcoming release.

Try Forte.

Any AAFNo DAW requiredmacOS 13+