Free Streaming Tools
Test a stream, diagnose one that will not play, or check a video file before you schedule it as a live event. Everything runs in your browser.
Your files and stream URLs never leave your browserVideo Pre-Flight Checker
Start hereDrop in an MP4 and find out whether YouTube, Facebook and Twitch will accept it — codec, H.264 level, resolution, framerate, bitrate and faststart, checked against each platform's own limits.
HLS (M3U8) Player & Stream Checker
Play any HLS stream and watch the rendition ladder, buffer health, dropped frames and live-edge latency in real time. When a stream fails, it tells you why.
DASH (MPD) Player & Stream Checker
Test MPEG-DASH manifests in the browser with the full representation list, adaptive switching events and throughput readings.
MP4 Player & Playback Checker
Play a direct MP4 URL and check resolution, buffer health and dropped frames — the quickest way to confirm a hosted file is reachable and decodable.
Why these tools exist
Most streaming problems are decided before you go live. A file encoded at the wrong H.264 level, a manifest served without CORS headers, a bitrate above what the platform will accept — each one fails at the worst possible moment, and the error message you get rarely names the cause.
These tools exist to move that discovery earlier. They run entirely on your machine, so you can point them at an unlisted stream or a private file without handing either to a third party.