Free Tool
Free TTS Developer Tools
Useful calculators and utilities for text-to-speech development. No sign-up required.
TTS Cost Calculator
Compare monthly costs across Speeko, ElevenLabs, and OpenAI.
Open →
Audio Duration Estimator
Paste any text and get estimated audio length and Speeko cost instantly.
Open →
SSML Builder
Select text and insert SSML tags visually. Copy the result into your API call.
Open →
TTS Provider Comparison
Side-by-side feature and pricing table for major TTS API providers.
Open →
TTS Script Cleaner
Optimize raw text for TTS: expand numbers, fix abbreviations, clean special chars.
Open →
Video Script Word Counter
Get word count, estimated duration, TTS and video cost from your script.
Open →
Voice Over Pricing Calculator
Compare professional voice actor rates vs AI TTS. See how much you save.
Open →