Speechgen

Speechgen

SpeechGen.io is a browser-based AI text-to-speech service that converts text, documents, and subtitles into realistic, natural-sounding audio using neural voices with adjustable prosody and SSML support.

Speechgen is voice & speech software teams evaluate for creative & design. Use this page to review pricing, integration signals, and the best alternatives before you commit.

Free API 70/100
#75 in Voice & Speech (75 tools)
Added 3 months ago
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Quick Overview

Best for: Creative & Design

What it does

Voice & Speech software for decision-makers comparing workflow fit and alternatives.

Best fit

Creative & Design

Pricing snapshot

Free from Starting at $0.08 per 1,000 characters (usage-based pricing)

Next step

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Speechgen

SpeechGen.io is an online text-to-speech (TTS) and AI voice generator that synthesizes natural-sounding speech from text using neural networks. The service targets content creators, video makers, educators, developers, marketers, and businesses that need fast, cost-effective voiceovers, IVR prompts, audiobook narration, or audio versions of documents and articles. SpeechGen supports dozens of languages and hundreds to thousands of voices, SSML controls, and downloadable audio formats.

The platform is designed to be accessible from any browser, offering pay-as-you-go pricing and a free trial allowance. It also provides features for converting subtitle files (SRT) to timed audio, uploading DOCX/PDF files for conversion, cloud-saved history, multi-voice dialogue editing, and integrations with common video and audio editing tools.

SpeechGen.io is a browser-based AI text-to-speech service that converts text, documents, and subtitles into realistic, natural-sounding audio using neural voices with adjustable prosody and SSML support.

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Key Features

Realistic neural voices

Hundreds to over 1,000 natural-sounding voices across many languages, including male, female, child and specialty voices.

Multi-voice editor & dialogue

Create multi-voice dialogues in one project, assigning different voices to sections of text.

SSML and prosody controls

Support for SSML tags and controls for speed, pitch, emphasis, pauses, intonation and pronunciation adjustments.

Subtitle (SRT) to audio

Convert subtitle files into perfectly timed multilingual voiceovers for videos.

Multiple output formats & audio settings

Download audio in MP3, WAV, OGG, M4A, FLAC and other formats with configurable sample rate, bitrate, channels and codecs.

Background music & pause controls

Add background tracks, loop/background volume control and fine-grained pause duration settings for natural pacing.

Cloud-saved history and favorites

All files and texts are automatically saved to the user profile on the cloud; favorite files can be saved for quick access.

Pay-as-you-go billing

Flexible usage-based pricing model with one-time payments for consumed characters; limits and balances control usage.

Commercial usage allowed

Generated audio can be used commercially (YouTube, podcasts, ads, etc.) according to site terms.

Compatibility with editing tools

Works with common video/audio software such as Adobe Premiere, After Effects, Audition, DaVinci Resolve, Apple Motion, Camtasia, iMovie, Audacity and others.

Pricing

Free Tier Available

Free test: 1,000 characters free. Registering the account grants an additional 1,000 characters to test voices. (Full features require paid plans or top-ups.)

Pay-as-you-go

Starting at $0.08 per 1,000 characters (usage-based pricing)
  • Flexible one-time payments
  • Limits based on purchased character balance
  • Access to premium voices depending on selection

Use Cases

Voiceover for videos

Create voiceovers for YouTube, social media, promotional and explainer videos without studio recording.

E-learning and training

Generate narrated lectures, language learning audio, and corporate training modules.

Advertising and creatives

Produce voice audio for ads, promos and creatives to increase conversions and engagement.

Podcasts and audiobooks

Convert scripts or books to spoken audio for podcast episodes or audiobook content.

Accessibility and article audio

Convert articles, PDFs and website content into audio to improve accessibility and time-on-page.

IVR and system prompts

Generate IVR prompts and voicemail greetings for telephony and customer service systems.

Game/dialogue voices and animation

Create dialogue for animations, games and character speech with multiple voices.

Integrations

WordPress plugin

Embed audio players and add article voiceovers directly to WordPress sites.

Video & audio editors

Compatible with Adobe Premiere, After Effects, Audition, DaVinci Resolve, Apple Motion, Camtasia, iMovie, Audacity and similar tools for post-production workflows.

API

Programmatic access to TTS functionality via the platform's API (see API page in site menu).

Benefits

High-quality, natural-sounding neural voices that approximate human speech.
Cost-effective pay-as-you-go pricing (cheaper than hiring live voice talent).
Fast browser-based workflow — generate audio in a few clicks without complex tools.
Flexible controls (SSML, speed, pitch, pauses, emphasis) for precise voice tuning.
Commercial usage allowed, suitable for a wide range of applications and platforms.

Limitations

Free usage is limited to test character allowances (1,000 free characters; +1,000 after registration).
Some premium voices or extended usage require purchasing character balances or paid plans.
Specific API rate limits and detailed technical quotas are not specified on the provided page.

Frequently Asked Questions

Can I use audio for YouTube, TikTok, Instagram or other video platforms?
Yes. You can download generated audio files and use them in videos on YouTube, TikTok, Instagram, and other platforms; commercial usage is allowed per site terms.
How do I insert a pause in the generated speech?
You can click the pause control in the editor or insert an SSML pause tag specifying length in milliseconds (e.g., 1000ms = 1 second).
How can I save voiced text to favorites?
Click the favorites icon in the editor to save files; favorites are available in your profile cloud history.
Can I download the generated audio?
Yes. After conversion you can download audio in formats such as MP3 and WAV (and other supported formats).
Are the voices allowed for commercial use?
Yes. The site states generated audio may be used for commercial purposes, including ads and monetized content.
Is there a free trial?
Yes. Users get 1,000 characters free for testing; registering grants an additional 1,000 characters.

Getting Started

  1. 1 Step 1: Go to https://speechgen.io and (optionally) register to receive additional free characters.
  2. 2 Step 2: Type or paste text, or upload a DOCX/PDF/SRT file; choose language and voice and adjust settings (speed, pitch, pauses, SSML).
  3. 3 Step 3: Click Generate to synthesize audio, then preview and download as MP3, WAV, OGG or other supported formats.

Support

Docs / FAQ

Site FAQ and blog available from the footer/menu provide usage instructions and guides.

Telegram group / chat

Community and support channels referenced in the site footer (links to Telegram group and chat).

Github

Github link is provided in the site footer for code or integration resources.

Email / contact page

General contact available via the website's contact links (see site footer).

API

Available: Yes
Documentation:

API is listed in the site menu; see the site 'API' page for developer documentation and examples.

Rate Limits:

Not available

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