FastPlay guides
FastPlay Guides: Fix Windows Video Playback Problems
Practical guides to specific Windows video playback problems: HDR that looks wrong, files that refuse to open, codecs Windows does not ship with, playback that stutters, and faster ways to review footage. Each guide explains the cause, gives fixes you can try with any player, and shows where FastPlay helps.
HDR & Color
HDR & Color
Play HDR video on Windows
What HDR video needs to play correctly on Windows, why HDR files often look wrong, and how FastPlay chooses native HDR output or SDR tone mapping.
Read the guideHDR & Color
HDR looks washed out
The real reasons HDR footage looks gray or faded on Windows: missing tone mapping, the Windows HDR toggle, and display limits, plus how to tell them apart.
Read the guideFormats & Codecs
Formats & Codecs
MOV file not playing on Windows
Why .MOV files fail to open or play badly on Windows: container versus codec, HEVC and HDR recordings from phones and cameras, and practical fixes.
Read the guideFormats & Codecs
Play HEVC (H.265) on Windows
Why HEVC (H.265) video often refuses to play on Windows, how hardware decode support works, and how FastPlay plays HEVC without codec-pack setup.
Read the guidePlayback Performance
Playback Performance
Fix stuttering video playback
Why video stutters or drops frames on Windows: software decode of heavy codecs, slow drives, display judder, background load, and the fixes that work.
Read the guidePlayback Performance
Play 120 FPS video smoothly
How display refresh rate, decoding, storage, and playback timing affect 120 FPS video, and how to diagnose choppy high-frame-rate playback on Windows.
Read the guideWorkflow
Workflow
Faster video review workflow
A keyboard-first workflow for reviewing long recordings on Windows: frame stepping, in/out loop ranges, speed control, screenshots, and per-file resume.
Read the guideWorkflow
Add SRT subtitles to a video
How to load an external SRT subtitle file beside an MP4, MOV, or other local video on Windows, plus filename, encoding, and troubleshooting tips.
Read the guideSkip the codec hunt
FastPlay is a free, open-source Windows video player with hardware-accelerated decode, HDR-to-SDR tone mapping, and keyboard-first controls. One MSI installer, no codec packs.