MCPatcher HD [1.9.1] [1.8.9] [1.7.10]
MCPatcher is a patch manager and texture converter for minecraft. After installing it you can play with high-resolution textures.
How to install MCPatcher HD:
1. Open MCPatcher
(If the jar file opens as an archive, then right-click on it and choose "Open with" -> "Java")
2. Press the 'Patch'