This video tutorial about WebMAUS - the Munich AUtomatic Segmentation explains how you can easily generate a textgrid file that aligns an audio signal to a transcription out of the application. If you want to learn more about WebMAUS in general click here. The procedure to receive the textgrid is quite simple. You just need your text file containing the transcription and your corresponding audio file with spoken language and feed it into the application via drag-and-drop (careful! the files need to have the same name.
After this step, a menu drops down where you can select your preferences and hit the 'run' button. After a few seconds, WebMAUS has created a textgrid for you which you can download and open in PRAAT along with your audio file and check where WebMAUS has segmented your file and further process it.