Features
Create the most common text-based subtitle formats in minutes without writing scripts !!.
Edit subtitles using the mouse !! don't enter numbers if you want and edit subtitle timings using the TimeLine control.
Get access to mp3's ID3 Tag (Synchronized Lyrics) frames and manage them, load them to your project and save them to the same mp3 file.
OpenSubtitles.org integration, ability to search, download and upload subtitles from/to OpenSubtitles.org.
Use multi-tracks projects by storing subtitles data in subtitle tracks.
Use the time format (Second, Millisecond) to guarantee the most accuracy.
Translate subtitles using Google Translate® service.
Spell check subtitles and support all dictionaries available at OpenOffice.com
Supports all encoding that installed Windows® version may support.
Auto detect encoding feature which help user to choose the right encoding for importing and exporting.
Convert between formats by importing them to your project, then export them to your desired format. Also convert using AHD Subtitles Convertor
Convert subtitle formats and any text file encoding easily using AHD Encoding Converter tool.
Synchronize subtitle timings using the synchronization tool inside the program or stand alone program "Synchronization Tool "
Use your system's media codecs to be playable for any media kind (Audio and Video) available.
Editable user-interface layout with save and load.
Can Rip subtitles from Matroska (.mkv) files.
Can import subtitles from VobSub (IDX & SUB)
Multilingual interface.

Whats New:
Version 5.10.10:
Added: AHD Encoding converter, a tool that convert between text encoding for text files.
Added: new hotkeys for "Next Frame (FWD)" and "Previous Frame (REW)" with default assignment with arrow keys.
Improved: SubRip subtitles format now support "Advanced SubStation Alpha" tags for import and export, also new export options added to this subtitles format.
Improved: event lines fields (font and color tags) for Advanced SubStation Alpha subtitles format.
Improved: auto detect encoding in export/import subtitles format window now done automatically.
Improved: auto detect encoding in import subtitles format window will also refresh and detect subtitles format depending on encoding used.
Fixed: bug after finished exporting a subtitles format file and user disables (close this wizard) option in the export finish message the window closes anyway.
Fixed: playback can be triggered via 'Space' button (Add Subtitle hotkey) while editing text in the "Prepared Text" and/or "Project Description" tab.
Fixed: bug when attempting to 'auto fix subtitle errors' when there is no subtitles track selected.
Fixed: bug when attempting to save the log into file while the project is not saved.