MediConvert

Video & Audio Format Converter — offline, fast, Apple Silicon native.
Drag in. Convert. Done. No network. No bloat.

macOS 14+ HW Accelerated 100% Offline Self-Contained
Download on GitHub Star on GitHub
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FEATURES

Why MediConvert?

A video/audio converter built for speed — hardware-accelerated, fully offline, zero dependencies.

⚡

Hardware Accelerated

VideoToolbox H.264/HEVC + AudioToolbox AAC. Near-zero CPU usage on Apple Silicon.

🔌

100% Offline

No network, no tracking, no data collection. Your files stay on your machine. Always.

đŸ“Ļ

Self-Contained

FFmpeg 8.1.2 bundled inside the app. No Homebrew, no dependencies to install.

🎨

18 Format Support

8 video formats (MP4, MKV, MOV, WebM, AVI...) + 10 audio formats (MP3, AAC, FLAC, WAV...).

📊

Real-Time Progress

Live speed indicator, ETA timer, and visual progress bar. Always know how long it will take.

🌐

Bilingual Interface

English and Simplified Chinese. Follows your macOS system language automatically.

SUPPORTED FORMATS

What Can You Convert?

8 video + 10 audio formats, with hardware acceleration where available

Video Formats

FormatEncoderSpeed
MP4h264_videotoolbox⚡ HW
MKVhevc_videotoolbox⚡ HW
MOVh264_videotoolbox⚡ HW
M4Vh264_videotoolbox⚡ HW
WebMlibvpx-vp9đŸ–Ĩ SW
AVIlibx264đŸ–Ĩ SW
FLVlibx264đŸ–Ĩ SW
WMVwmv2đŸ–Ĩ SW

Audio Formats

FormatEncoderSpeed
MP3libmp3lameđŸ–Ĩ SW
AACaac_at⚡ HW
FLACflacđŸ–Ĩ SW
WAVpcm_s16le— RAW
OGGlibvorbisđŸ–Ĩ SW
M4Aaac_at⚡ HW
OPUSlibopusđŸ–Ĩ SW
WMAwmav2đŸ–Ĩ SW
ALACalac_at⚡ HW
AIFFpcm_s16be— RAW

⚡ Formats marked with HW use the built-in media engine on Apple Silicon — near-zero CPU, very low power consumption.

HOW IT WORKS

From Drop to Done

Three simple steps — the app handles everything else

1

Drop Your File

Drag any video or audio file into MediConvert. ffprobe instantly detects format, codec, and duration.

2

Choose Output & Convert

Pick a target format and quality. ffmpeg converts with hardware acceleration — track speed and ETA in real time.

3

Done!

Your converted file is ready. Open the output folder or find it where you chose to save.

SCREENSHOTS

See It in Action

Beautiful, native macOS design — clean and intuitive

Main Window
Main Window with Format Picker
Settings
Conversion Settings
File Selected
File Selected — Ready to Convert
Completed
Conversion Completed
Main Settings File Done
TECH STACK

Built With

Modern, lightweight, purposeful

SwiftUI
Native macOS UI, Swift 6
FFmpeg 8.1.2
Bundled, 17 codec libraries
VideoToolbox
Hardware H.264/HEVC encode
AudioToolbox
Hardware AAC/ALAC encode
DOWNLOAD

Get MediConvert

Free. Open source. MIT Licensed.

MediConvert

MediConvert

For macOS 14 Sonoma and later

Download from GitHub Releases
Apple Silicon & Intel 100% Offline MIT License

Or build from source: bash build.sh — needs macOS 14+ & Xcode CLT