MAS Review

Media formats

Drop in the file you have — it opens or it is kept.

Video, stills, documents, audio and 3D go into one project and open in one viewer. 87 file types open; the rest are stored and downloadable under their own names, and the few refusals are named at the door.

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One project's media grid holding H.264 MP4s and a ProRes MOV, PNG and JPEG stills, PDFs, a PowerPoint shown as its PDF, a WAV, a GLB and a stored InDesign file — the ProRes clip selected, its codec and frame rate in the facts column
  1. Five files (a MOV, a PNG, a .pptx, a WAV and a GLB) mid-drag over the media column — the column outlined solid where they would land, the clip under the pointer opening its version slot, the stage and the comment composer dashed as the other places a file can go

    Drop the file you have

    87 file types open in the browser — MOV to MXF, JPEG to camera RAW and PSD, PDFs and Office documents, WAV and AIFF, glTF to FBX and Blender. The app works out what it is and how to show it.

  2. A .pptx open as its converted PDF page in the viewer, the media-column tile's hover card naming the original production_schedule_v03.pptx with Download, Delete and Info

    A display copy, the original kept

    Where a browser cannot draw a file, a converter makes the copy it can — H.264 for video, a JPEG for RAW and PSD, a PDF for Office files, glTF for FBX and .blend. The file you uploaded is kept exactly as sent.

  3. A stored-only tile — an InDesign file — showing its extension in place of a preview

    Unopenable files are kept, not refused

    A file with no preview still gets a tile, a download and a share — and when a different export would give you a preview, the app says which.

Example footage from commercials produced by Smoke & Mirrors (Tag) and its team. All rights belong to their owners. Their appearance here is not an endorsement of MAS Review.

3D model: “Damaged Helmet” © 2018 ctxwing, licensed CC BY 4.0, rebuilt from the 2016 model by theblueturtle_ (via the Khronos glTF sample assets).

How it works

  1. 01

    Drop files into a project; every place a file can land lights up.

  2. 02

    Review it like everything else — comments, drawings, measure and search work on a .pptx or an FBX as on a PDF or a GLB.

  3. 03

    Download the original: the .docx, not the PDF; the .aiff, not the AAC; the .CR2, not the JPEG.

At a glance

Available on
Free and Pro; file size (2 GB / 25 GB) and playback resolution (1080p / 4K (2160p)) differ by plan

MAS Review is in closed beta. The plans are shown for reference: nothing is on sale and no payment can be taken until a registered company operates MAS Review. Until then every studio runs by invitation.

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