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  1. Member DJRumpy's Avatar
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    I've written a GUI app that I use to do HDR to SDR conversions, and have added features to it for the last couple of years for general conversions from one format to anther. Its written for Apple silicon in Swift, and it works with FFmpeg as well as utilizing fprobe if you have it. Lets you select any specific FFmpeg binary if you have multiple versions or just uses whatever is in our PATH, does audio normalization, supports VideoToolBox acceleration where applicable, H.264, H.265, and AV1 output. It will support any input that FFmpeg does. It also has some simple controls for gamma and hue, supports 6 different HDR color mapping algorithms, upscaling, downscaling (Bicubic or Lanczos), cropping/auto-cropping, Filtering (HQDN3D, NLMeans, BM3D, CAS, and Unsharp), audio normalizing via LoudNorm including 2-pass analysis on audio if needed, audio conversion/mapping as well as setting default audio track, subtitles (SRT/TXT and burn in for PGS supported), Queue support, and quick samples.

    I've put a lot of work into it, and was thinking of paying for an apple developer license to sell in the App Store. I figure a $2-$5 for the software. No plans for subscriptions or any of that nonsense, and I don't want to mess with maintaining a website. I found the command line a bit tedious trying to get the tone mapping right, mapping audio tracks for sources with 5 different audio tracks, various subtitles, and whatnot all just a pain, so wrote this initially for a simple one-click HDR to SDR.It just kind of expanded from there as I added functionality to it.

    Do you think anyone would be interested in yet another GUI for FFmpeg?
    Last edited by DJRumpy; 7th Aug 2026 at 09:09.
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  2. Member DJRumpy's Avatar
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    Some additional screenshots to show the full features. Also supports copying of audio and video streams, drag/drop for inputs, pathed or specific FFmpeg versions, volume normalization, and color/luma analysis and adjustment.
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    Impossible to see the future is. The Dark Side clouds everything...
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