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!