Video Converter Offline

📱 Key Features

Completely Offline: No internet connection required—all conversions are done on your device.

High Conversion Speed: FFmpeg optimization and libx264 “fast” presets ensure fast processing without sacrificing quality.

Wide Format Support:

Video: mp4, m4v, mkv, webm, avi, mov, flv, mpeg, mpg, ts, 3gp, 3g2, wmv, gif

Audio: wav, mp3, aac, ogg, flac, m4a, wma, opus, amr, ac3, aiff, mp2, wv, alac

Detailed Settings: Set resolution, video & audio bitrate, FPS, encoder presets, and CRF to your needs.

Intuitive Interface: Colorful dropdown format selection, large conversion buttons, and simple status display.

🔧 Recommended Parameter Values

To make it easier for you to choose, here are the standard (recommended) values ​​for each setting:
Parameter Function Default
Resolution (W×H) Determines the quality & size of the output file 1280×720
Video Bitrate Video stream speed: higher → sharper & larger 1000k
Audio Bitrate Audio quality: higher → clearer & larger 128k
FPS Number of frames per second 30
Preset libx264 encoding speed (fast ↔ quality/file size trade-off) fast
CRF libx264 constant quality factor (smaller → better) 23
Resolution Recommendation Details
Resolution Common Name Description
426×240 SD (240p) Very small size, save data
640×360 nHD (360p) Medium quality
854×480 SD/480p YouTube Standard 480p
1280×720 HD (720p) Good quality
1920×1080 Full HD (1080p) High quality
3840×2160 4K UHD (2160p) Very large, for high quality
Recommended Video Bitrate
Bitrate Quality Suitable for Resolution
500k Low 360p
800k Medium 480p
1000k–1500k Fairly good 720p
2000k–4000k Good 1080p
8000k–16000k Very high 4K
Recommended Audio Bitrate
Bitrate Quality
64k Low
96k Fair
128k Standard
192k Good
256k–320k Very high
Recommended FPS
FPS Uses
15 GIFs, screen recordings
24 Cinema films
25 Standard PAL
30 YouTube general
60 High FPS (gameplay)
Recommended Preset libx264
Preset Encode Time File Size Quality
ultrafast Very fast Very large Low
superfast Fast Large Low
veryfast Fast Medium Standard
fast Recommended Medium Good
medium Default Optimal Good
slow Slow Small Good
veryslow Very slow Very small Very good
Recommended CRF
CRF Video Quality File Size
18 Very high Large
20–23 Good (default) Medium
24–28 Medium Small
30+ Poor Very small
🚀 How to Use

Select the media File or Folder to convert.

Specify the output format (mp4, mkv, etc.).

(Optional) Adjust the resolution, bitrate, FPS, preset, and CRF.

Press Convert and wait for the process to complete.

Tip: For a balance of quality & speed, use the fast preset, CRF 23, and 1280×720 resolution with 1000k videoBitrate.

Download Now!

Convert your videos easily, quickly, and without connection limitations. Enjoy full flexibility with Video Converter Offline—the ultimate solution for your Android conversion needs!