Send a link.
They’re in.
Live review for colour and editorial. Whoever you invite opens it in a browser, on a Mac, on an iPad, or on an Apple TV in the screening room — same colour pipeline on every player. The session ends and nothing is stored on our side.

No appliance.
No rack. No extra purchase.
Sessions runs on the Apple Silicon Macs you already have, and ingests from the NDI sources and Blackmagic capture cards you already use. No encoder boxes, no second machine, no line item your finance team hasn’t already approved.
What you see
is what they see.
What you graded is what your client opens. We don’t transcode it. We don’t re-encode it. We don’t flatten it. Drag the bar — there’s nothing to find.

Four steps.
No build link.
- 01Open VDO Streamer on the host. Pick a source: window, capture card, or NDI.
- 02The pipeline carries 8/10-bit 4:2:0/4:2:2/4:4:4 — SDR, HDR PQ/HLG and DCI — with colour management you configure to your room.
- 03Send the session link to whoever you want in the room.
- 04They open the link in a browser — or our macOS, iPadOS or Apple TV player. You direct in real time.
Two rooms.
One pipeline.
Sessions runs the colour suite and the cutting room. Same pipeline, same security model, different shapes for the people in the chair. Pick the player that fits the room.
The grade, on a calibrated screen.Resolve · Baselight · Nucoda
Live colour review for the people who actually grade. 8/10-bit 4:2:0 / 4:2:2 / 4:4:4 to the client display, SDR, HDR PQ/HLG and DCI. Direct peer-to-peer by design, so the colourist’s adjustment lands on the client display as fast as the network will carry it.
- 01Peer-to-peer by design — lowest possible latency.
- 02Calibrated Apple TV in screening rooms.
- 03iPad Pro for remote DPs, macOS for review.
The cut, with the producer in the room.Premiere · Final Cut · Avid
Live editorial review for cutting rooms. Frame-accurate scrubbing, smooth playback, multi-channel audio for music and dialogue passes. Relay-based by design so the editor, producer and exec stay perfectly in sync — same frame, same comment, same room.
- 01Relay-based — collaborative sessions stay in sync.
- 02Producer on iPad, exec on Apple TV, editor at the suite.
- 03Up to twenty people in a session.
Works with the apps
you already know.
Anything that can output NDI, render through OpenFX, or feed a Blackmagic capture card lands inside a session unchanged. No bridges, no proxies, no plugins to babysit.
DaVinci Resolve
Premiere Pro
Final Cut Pro
Media Composer
Nuke
Flame
Assimilate ScratchThings people ask
first.
The five questions every new client sends back the first time you mention a browser-based review tool. Plain answers, in the order they tend to arrive.
- Do my clients install anything?Most join in a browser — Chrome, Safari, Firefox, Edge. For client suites and screening rooms we also ship native players for macOS, iPadOS and Apple TV. All free.
- What’s the maximum participant count?Up to twenty per session. More on request for enterprise plans.
- Is the session recorded?No. Nothing is stored on our side. Session metadata kept only for billing.
- Why does Colour use P2P and Editorial use relay?Colour rooms go peer-to-peer for the lowest possible latency — the colourist’s adjustment hits the client display as fast as the network allows. Editorial rooms use our relay so an editor, a producer and an exec can stay in sync at scale.
- What happens if the network is bad?Bitrate adapts in real time. Colour rooms stay peer-to-peer; editorial rooms stay on the relay. Encryption is identical on either path.
- Does it work outside Resolve?Yes. Any window, any capture card, any NDI source. For Resolve specifically there’s a free OpenFX bridge — VDO OFX — that emits NDI from the timeline.
Specs, plainly.
- 8/10-bit chroma: 4:2:0 / 4:2:2 / 4:4:4
- SDR · HDR PQ/HLG · DCI
- Rec.709 / P3 / Rec.2020 / DCI-P3
- Configurable colour management
- Discrete-channel, lossless audio
- Pipeline overhead: <50ms end-to-end
- Up to 20 concurrent participants
- Per-link expiry and waiting room
- Optional fixed-region relay
- Optional IP allow-list
- No archive; deletion default
- Session metadata for billing only
- Browser: Chrome, Safari, Firefox, Edge
- Native players: macOS, iPadOS, tvOS
- Custom protocol, QUIC transport
- Colour rooms: P2P direct (lowest latency)
- Editorial rooms: relay (collaborative scale)
- Plus: free VDO OFX for Resolve (NDI output)
— A note on latency.The <50ms above is what our pipeline adds. The rest of any total round-trip you measure is your network and the physical distance between machines. The pipeline is aggressively optimised; the speed of light is not on our roadmap.
Two extras
in the box.
Multi-stream, self-hosted.Linux + Nvidia, your hardware
Software you install on a Linux workstation with an Nvidia GPU. Run up to four HD or UHD streams from a single box, all colour-managed end to end. Bring your own hardware — we publish minimum and recommended specs per stream count.
Read moreNDI from your timeline.For DaVinci Resolve
An OpenFX plugin for DaVinci Resolve. Drop it on a clip; your timeline emits NDI alongside the render. No capture card, no middleware, no second machine. Free with any VDO account.
Read more