SpeechGen.Io

SpeechGen.io is an Audio & Music tool that converts text to realistic speech using AI. It offers over 5,000 voices in 150 languages and allows downloads in MP3, WAV, and FLAC formats, with a free tier available.

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At a glance

Pricing

Freemium · Usage-based

Free tier

Yes

API

Yes

Skill level

Non-technical

About

What is SpeechGen.io?

SpeechGen.io is an advanced online AI voice generator that transforms text into natural-sounding speech. Leveraging powerful neural networks, it provides access to over 5,000 realistic voices across 150 languages. Users can customize speech parameters like speed, pitch, and volume, and download audio in various formats including MP3, WAV, FLAC, OGG, and OPUS. The platform supports long texts, up to 2 million characters per generation, and includes features like multi-voice dialogue, SSML support, AI background music, and a Smart Cache for cost-free re-generation. It also offers built-in tools for PDF/DOCX to audio conversion, Audio to Text transcription, Video to Text transcription, and SRT/VTT to synced audio, making it a comprehensive solution for diverse audio production needs.

Best used for

Ideal for content creators who need to generate realistic voiceovers for videos, e-learning modules, or podcasts, and localize content for global audiences. Especially valuable for marketers and production teams needing quick voice talent, instructional designers scaling training, and businesses requiring automated phone systems or audio guides.

Common actions

generate voiceovers

convert text to speech

create audio content

localize audio

transcribe audio

realistic-sounding audiomultiple formatscommercial licensestext to speechaimulti-voice editorPodcastingcustomizationAPI accessvideo production+ 2 more

Capabilities

Key features

5,000+ AI voices
150 languages
MP3, WAV, FLAC export
Multi-voice dialogue
SSML support
AI background music
Smart Cache

Target Audience

content creatoryoutuberpodcaster

Integrations

n8nmakezapier

Pricing & Plans

Freemium · Usage-based

25k Limits Pack

FAQs

What are the free tier limits for SpeechGen.io?

You can instantly generate 1,000 characters without signing up. Registering for free increases your daily limit to 3,000 characters, which renews every day for 7 days. All free usage includes commercial license and no watermarks.

What audio formats can I download from SpeechGen.io?

SpeechGen.io allows you to download generated audio in various formats including MP3, WAV, FLAC, OGG, and OPUS. You can also select bitrates from 8 to 320 kbps and sample rates from 8000 Hz to 48000 Hz.

Can I use multiple voices in a single audio file?

Yes, SpeechGen.io supports multi-voice dialogue. You can use the Dialog mode to assign different voices to different paragraphs within the same text, allowing for dynamic conversations or character interactions in one file.

Does SpeechGen.io offer commercial licensing for generated audio?

Yes, a commercial license is included with every plan, both free and paid. This means you own the audio files you create and can use them for commercial purposes, including YouTube, TikTok, or other platforms, without watermarks.

What is the maximum text length SpeechGen.io can handle?

SpeechGen.io can handle up to 2 million characters per generation. This allows users to convert very long texts, such as entire books, scripts, or documents, into high-quality audio files efficiently.

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Research & Education › Course Creation

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