The Studio in the Cloud.
Stream, preview, and annotate professional media assets instantly in your browser.
No credit card required
HLS Streaming Everywhere
We treat your videos like Netflix treats movies. Every upload is converted into an adaptive HLS stream, ensuring instant playback on any connection, from 4G to Fiber.
Review and Approve Any Asset
Get stakeholder sign-off on videos, designs, documents, and presentations without leaving Fast.io. Pin feedback to specific frames, pages, or regions and track approvals in one place.
Built for Creators
Universal Previews
View PSDs, AI files, RAW photos, and technical CAD drawings directly in the browser. No expensive software licenses required for viewers.
Waveform Audio
Visual navigation for audio files. See silence, music, and speech patterns at a glance. Perfect for podcasting and music production.
Instant Transcoding
We create optimized proxies for every asset. Original files are safe, but the web experience is lightweight and fast.
Ready to stream?
Experience 1080p playback and instant previews for all your team's assets.