Balabolka is a text-to-speech (TTS) software tool. All computer software installed on your system is available on Voices software. The on-screen text can be saved as a WAV, MP3, MP3, OGG or WMA file. The program can read the contents of the clipboard, view text from documents, customize fonts and background colors, control the reading from the system tray or by global hotkey. It supports text file formats: DOC, DOCX, AZW, AZW3, CHM, EML, EPUB, FB2, FB3, HTML, MOBI, ODP, ODS, ODT, PDB, PRC, PDF, PPT, PPTX, WPD, XLS, XLSX. The program uses different versions of Microsoft Speech API (SAPI); This allows changing the parameters of the voice, including the rate and pitch. The user can apply a special replacement list to improve the quality of the voice speech. The rules for pronunciation modification use regular expression syntax sentences.