Compare tools
Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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ttsMP3.com
✓ verifiedFree
Free browser-based text-to-MP3 converter using Amazon Polly voices across 28+ languages with SSML controls.
599K visits/mo
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Speechify
✓ verifiedFreemium
Text-to-speech and voice-typing assistant that reads PDFs and web pages aloud and dictates text across apps, for readers and multitaskers.
6.7M visits/mo17K saves
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Hume AI
✓ verifiedPaid
Voice AI research lab offering emotionally intelligent speech models and APIs for developers building empathic voice applications.
247K visits/mo
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Udio
✓ verified
Popular AI music generator that turns text prompts into full songs with vocals and instrumentation in seconds.
1.7M visits/mo
Pricing
No public pricing
Free: $0/month (10 robotic voices, up to 1.5x speed)
Premium: $29/month (1,000+ voices, 60+ languages, up to 5x speed, dictation, podcasts)
No public pricing
No public pricing
Core features
- ✦Text-to-MP3 conversion powered by AWS Polly
- ✦28+ languages and multiple regional accents/voices
- ✦SSML tags for pauses, emphasis, speed, and pitch
- ✦Multi-speaker conversation formatting
- ✦Daily free character limit (~3,000 characters)
- ✦1,000+ natural-sounding AI voices in 60+ languages
- ✦Adjustable playback speed up to 5x
- ✦Text highlighting synced to audio
- ✦Scan-and-listen photo-to-speech
- ✦Voice dictation/typing across apps
- ✦AI podcast generation from documents
- ✦Voice AI assistant for Q&A on read content
- ✦Cloud storage integrations (Drive, Dropbox, OneDrive)
- ✦Empathic, emotionally intelligent voice models
- ✦Human-feedback and evaluation APIs
- ✦Open-source models and datasets
- ✦Coverage of 50+ languages and dozens of emotions
- ✦Expression measurement and speech tooling
- ✦Text-to-music generation with vocals and instrumentation
- ✦Song extension and remixing tools
- ✦Genre and style-guided generation
- ✦Library of user-generated tracks to explore
Use cases
- →Creating narration for e-learning or presentations
- →Adding accessible audio to websites
- →Producing quick voiceovers for YouTube videos
- →Generating multi-character dialogue audio clips
- →Listening to long articles, PDFs or emails hands-free
- →Studying by having textbooks or lecture notes read aloud
- →Dictating text faster than typing across apps
- →Turning documents into podcast-style audio
- →Reducing eye strain from extensive reading
- →Building empathic voice assistants
- →Measuring emotional expression in speech
- →Running human evaluations of voice models
- →Adding emotional intelligence to apps
- →Musicians and hobbyists generating original song ideas from prompts
- →Content creators needing background music or soundtracks
- →Songwriters exploring melody and lyric ideas quickly
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