Speechgen
SpeechGen is an online AI text-to-speech platform that produces realistic speech using neural synthesis, offering 5,000+ voices in 150+ languages with downloads in MP3, WAV, FLAC and pay-as-you-go credits. It supports browser-based editing, multi-speaker dialogue, SSML control, background music, and an API for integrations.
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Review official source →Quick Overview
Best for: Content & Marketing
What it does
Voice & Speech software for decision-makers comparing workflow fit and alternatives.
Best fit
Content & Marketing
Pricing snapshot
Freemium from 0.5 per char
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SpeechGen is a browser-based AI text-to-speech service that uses neural networks to generate natural-sounding speech. The product advertises more than 5,000 voices across 150+ languages and offers multiple output formats (MP3, WAV, FLAC, OGG/OPUS) and quality tiers (Standard, Pro, HD). It targets creators, businesses, and teams that need scalable voiceover production — from single sentences to entire books — and supports pay-as-you-go credits, a free trial allotment, and commercial licensing.
The platform includes an editor with SSML support, multi-speaker/dialogue tags, background music mixing, file upload (DOCX/PDF/SRT), and an API for integration into production workflows. SpeechGen positions itself for high-volume, iterative, and multilingual audio production where speed, cost, and flexibility are primary concerns.
SpeechGen is an online AI text-to-speech platform that produces realistic speech using neural synthesis, offering 5,000+ voices in 150+ languages with downloads in MP3, WAV, FLAC and pay-as-you-go credits. It supports browser-based editing, multi-speaker dialogue, SSML control, background music, and an API for integrations.
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Claim this listing for $29Key Features
Extensive voice and language library
5,000+ realistic voices across 150+ languages and regional accents, with filters for gender, accent, and quality tier (Standard, HD, PRO).
Multiple output formats & bitrates
Download audio as MP3, WAV, FLAC, OGG or OPUS with selectable sample rates and bitrates from telephony (8 kHz) up to studio (320 kbps).
Quality tiers and per-character pricing
Three synthesis tiers (Standard, Pro, HD) with per-character pricing: Standard 0.5 per char, Pro 1 per char, HD 2 per char.
Smart Cache
Regenerate identical content at zero cost (cached synthesis) to fix typos or re-render without deducting credits.
Multi-speaker / Dialog mode
Assign different voices to paragraphs with <Name> tags to create multi-speaker files or character dialogues in a single export.
SSML and fine prosody control
Insert SSML tags (break, prosody, sound) and control speed, pitch, volume, pauses, and emphasis for precise speech rendering.
Background music & sound effects
Built-in AI music library and option to upload your own tracks; mix voice and music levels inside the editor.
File uploads & converters
Upload DOCX, PDF, or SRT/VTT to convert text/subtitles to synced audio per line or per segment; uploads extract text automatically.
REST API
Text-to-speech REST API that returns an audio URL; noted integrations with n8n, Make, Zapier and any JSON-capable app.
Transcription & Video-to-Text
Audio-to-text transcription and video-to-text extraction supporting 140+ languages with timestamps and speaker labels.
Large text support & batch export
Handle very long texts (up to multi-million characters per project), auto-splitting into segments and exporting per chapter when using <cut> tags.
Pricing
Initial free: 1,000 characters with no sign-up. Register for additional free credits (+2,000) and temporary daily balances (3,000/day for 7 days); no watermark on free samples.
Standard
0.5 per char- Everyday synthesis for internal docs and bulk content
Pro
1 per char- Enhanced neural voices for YouTube, e-learning, marketing
HD
2 per char- Studio-grade AI voices with lifelike emotion for broadcast and premium narration
Pay-as-you-go packs
From $4.99 (no subscription)- Credits that do not renew monthly; buy what you need
Use Cases
Marketing & Video voiceovers
Create quick AI voiceovers for product videos, explainer clips, and campaigns when hiring voice talent is impractical or too slow.
E-learning & Training
Generate narrated lessons and multilingual training content at scale without being physically present in every classroom.
Business Phone & IVR
Produce professional IVR prompts and bilingual phone systems for clinics, shops, and multi-site businesses; updates deploy quickly via API.
Audio Guides & Tours
Produce museum or tour audio guides with multiple narrators and background music, exported and synced to timecodes for editors.
Industrial Safety & PA Alerts
Automate multilingual safety announcements and on-site alerts, triggered by API events and sensors for large facilities.
Localization & Export
Localize voiceover content into multiple languages from a single script and export per-language audio with consistent voice styles.
Integrations
REST API
One HTTP call returns an audio URL; used for automated and production workflows.
n8n, Make, Zapier
Works with automation platforms that accept JSON payloads for integration into existing pipelines.
Video & DAW editors
Downloaded audio is compatible with Premiere Pro, DaVinci Resolve, CapCut, Final Cut Pro, iMovie, Camtasia, and other editors.
Benefits
Limitations
Frequently Asked Questions
Is there a free AI voice generator without sign-up?
Can I download AI voice files for free?
How do I convert text to MP3 for free?
What is the maximum text length?
What audio formats can I download?
Can I use multiple voices in one file?
Can I use SpeechGen commercially?
Getting Started
- 1 Step 1: Paste text into the online editor or upload a DOCX/PDF/SRT file (up to the platform limits).
- 2 Step 2: Choose language, voice, and quality tier; adjust speed, pitch, and volume and optionally add SSML or background music.
- 3 Step 3: Click Convert to Speech and download the audio (MP3/WAV/FLAC). Optionally use the REST API for automated workflows.
Support
Docs
Detailed documentation, interactive audio demos, examples, and walkthroughs available on the site.
API docs
REST API documentation and examples provided via the site.
Community / Chat
Telegram Group and Telegram Chat links are listed on the site for community support.
GitHub
GitHub referenced on the site for related resources or integrations.
API
https://speechgen.io/ (documentation, examples and REST API described on the site)
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