hdvideoconverter guides & articles
18 in-depth guides on HD Video Converter for Mac and related topics.
Video on Mac & iPhone
Video on Mac & iPhone
iPhone HDR Video Looks Washed Out? Why and How to Fix It
iPhone HDR video looks washed out on non-HDR screens because tone mapping is missing. Learn why this happens and how to fix or avoid it.
Video on Mac & iPhone
Old Mac Stuttering on HEVC Video? Convert It to H.264
If HEVC video stutters on your Mac, software decoding may be the cause. Convert to H.264 for smooth playback.
Video on Mac & iPhone
Video Won't Import Into iMovie or Final Cut? Convert It First
If iMovie or Final Cut Pro won't import your video, converting it to MOV or MP4 is the fix. This guide covers supported formats and how to convert.
Video on Mac & iPhone
iPhone Videos Won't Play on Windows? The HEVC Fix
If your iPhone video won't play on Windows, the HEVC codec is likely the reason. This guide explains the fix and how to convert clips to H.264 MP4.
Video on Mac & iPhone
QuickTime Can't Open Your Video? Why and How to Fix It
Troubleshoot the QuickTime 'cannot open' error: learn which formats it supports, which it never will, and how to convert your video.
Video on Mac & iPhone
The Best Video Format for iPhone and iPad in 2026
The best video format for iPhone and iPad explained: why MP4 with H.264 plays flawlessly, when HEVC makes sense, and how to convert any clip for Apple devices.
Video to MP4 how-to
Video to MP4 how-to
How to Convert WebM to MP4 on a Mac
Learn how to convert WebM to MP4 on a Mac for free, so you can play or edit your videos in QuickTime and iMovie without compatibility issues.
Video to MP4 how-to
How to Export an iMovie Project as MP4 (Not MOV)
Export your iMovie project as MP4 instead of MOV by choosing Low, Medium, or High Quality in the File > Share > File dialog.
Video to MP4 how-to
How to Convert AVI to MP4 on a Mac (and Why You Should)
Convert dated AVI files to modern MP4 on a Mac to fix playback, shrink size, and unlock editing. A clear step-by-step guide and the reasons it matters.
Video to MP4 how-to
How to Convert MKV to MP4 on a Mac the Easy Way
Convert MKV to MP4 on a Mac so QuickTime and iPhones can play it. Learn what MKV is, when remuxing is instant, and follow a clear step-by-step workflow.
Video to MP4 how-to
How to Convert MOV to MP4 on a Mac Without Losing Quality
Convert MOV to MP4 on a Mac to fix compatibility and reduce file size. A clear step-by-step guide plus the real difference between the two formats.
Video to MP4 how-to
How to Convert Video to MP4 on a Mac (Step by Step)
Learn how to convert any video to MP4 on a Mac with a clear step-by-step workflow, the right codec choices, and tips for quality, size, and compatibility.
Video to MP4 how-to
How to Reduce Video File Size on a Mac Without Losing Quality
Reduce video file size on a Mac without wrecking quality. Learn the three levers that control size, how to compress to MP4, and a clear step-by-step workflow.
Codecs & containers
Codecs & containers
ProRes vs H.264: How to Convert ProRes MOV to MP4
A practical guide explaining ProRes, its large file sizes, and when to convert ProRes MOV to H.264 MP4 for delivery.
Codecs & containers
H.264 vs H.265: Which Video Codec Should You Use?
H.264 vs H.265 compared for Mac users: file size, quality, compatibility, and power use, plus clear guidance on which codec to choose when converting video.
Codecs & containers
Video Codecs and Containers Explained for Mac Users
A plain-English guide to video codecs and containers for Mac users: what H.264, H.265, MP4, MOV, MKV, and WebM really mean, and how to pick the right combo.