An x264 GUI for encoding video files. The program can decide automatic resolution and bitrate settings for you, or you can set them yourself. You can input nearly any video that is playable on your computer.

Features
Import any type of video file
Output to MP4, MKV, or Blu-ray
Import separate audio sources
Drag and Drop Source Files
Ability to remux audio instead of recompressing.
Automatic Resize based on bitrate
Automatic Bitrate based on resolution
Overrideable Aspect Ratio
Maximum Resolution (default maximum is original resolution adjusted for Aspect Ratio)
Custom Bitrate and Resolution
Ability to change Frame Rate
Deinterlacing/Inverse Telecine (Click deinterlace and change FPS to 23.976)
Ability to encode in ether 1 or 2 pass
Ability to encode Lossless (1 pass, target Quantizer 0)
Auto crop off black bars
Custom audio bitrate
Save settings as Default or Custom profiles
Ability to enforce x264 profiles
Ability to set a maximum bitrate
Custom crop
Advanced x264 Options
Job Queue
Ability to downmix Audio to stereo
Select from multiple audio tracks in vob/mpg files
Options Dialog
Multiple Audio Track Encoding
Import/Export Profiles
About Dialog
Encode.log saved for each encoding job. (Saved in ASXGuiLogs)
Add Black Bars (Maximum resolution, Allow Black Bars)
Separate Aspect control for input and output, useful for anamorphic encodes.
Auto Shutdown/Hibernate/Exit control
Add to iTunes (for iPod formatted video)
Generates Screenshots from input file

What´s New
Fixed a bug with append mode and resampling audio.
Modified auto bitrate for a higher bitrate when baseline profile is selected.
Replaced missing files causing problems with MKV output.
Fixed Windows 7 Taskbar Progress bar for 1 pass encodes.
Fixed a bug with loading crf values.
Fixed a bug with advanced x264 settings while using crf.
Added "Weighted P-frame prediction" options to advanced x264 options.
Fixed a problem hiding the tabs in the classic gui.
Added a dialog warning that the classic gui will be discontinued as of 3.0.
Fixed a bug with incompatible job queue files.
Fixed a bug with crf command lines.
Enabled maximum bitrate with crf.
Added the capability to update profiles.
Fixed a small annoyance in the way the crf control works when typed in manually.
Added "Adaptive I-Frame Decision" to advanced x264 settings.
Added Blu-ray options to advanced x264 settings.
Updated Profiles.