Amazon Polly TTS

Access Key ID
Secret Access Key
Select Engine
Select Language
Each time you click Synthesize, a request is made to Amazon Text-to-Speech service, and the corresponding number of characters will be billed. So only click when you're ready. Currently there's no API to get the total number of characters you have used, so be conservative.
Enter Text or SSML ({{#totalChars}} total chars billed during this session) {{#charCount}} chars