Built for subtitle timing
Unlike a normal text-to-speech tool, it reads each subtitle block and keeps audio aligned with SRT timestamps.
Free SRT to Speech Online
Convert .SRT files into natural AI voiceovers. Perfectly synced with your video's timestamps and captions.
Convert subtitle (.SRT) files into synchronized AI speech using 75+ languages and 1,800+ voices from Google, Azure, OpenAI, Gemini, and more.
75+ Languages1,800+ AI VoicesGoogle, Azure, OpenAI, GeminiAuto Subtitle TimingMulti-speaker Voice Mapping
31,949,582+
credits processed
75+
languages
1,800+
AI voices
100+
creator countries
Voice providers:GGoogleAAzureOOpenAIGemGemini+Others
4-step wizard
SRT to Voice Dubbing
Upload SRT, edit the content, map each speaker to a voice, then generate audio in a simpler step-by-step flow.
0/0 credits. Resets: N/A.
Usage details
Max Characters / Block: 2,000
Max Blocks: 0/0
+Credits / Block: 0
Source
Input ModeVoice
Auto-detect [A], [B], then map each speaker to a voice.
Select language
Generate
Tutorial Video
How it works
The workflow keeps the primary SRT to Speech intent simple while still supporting subtitle editing, SRT to Voice generation, SRT to Audio export, and subtitle dubbing.
- 1
Upload SRT
- 2
Edit subtitles
- 3
Choose voices
- 4
Generate speech
- 5
Download MP3
Why choose our SRT to Speech tool?
Voice choice at scale
Use 75+ languages and 1,800+ AI voices across Azure, Google, OpenAI, Gemini, and other providers.
Edit before export
Fix subtitle text, format blocks, translate subtitles, replace words, and download edited SRT files before generating speech.
Made for character dialogue
Auto speaker detection and voice mapping help turn [A] and [B] subtitle lines into multi-speaker narration.
Use cases
Movie Dubbing
Create timed narration from subtitle scripts.
YouTube
Turn captions into voiceovers for videos.
Podcasts
Reuse subtitle scripts as audio episodes.
Education
Make lessons and course subtitles listenable.
Localization
Convert translated subtitles into AI voices.
Accessibility
Offer subtitle narration for more viewers.
TTS For Free vs typical SRT tools
Need
TTS For Free
Typical SRT tools
SRT to Speech focus
Timestamp-aware AI speech
Basic subtitle editing only
Voice options
1,800+ AI voices and multiple providers
Limited or no voice generation
Subtitle workflow
Edit, translate, format, and export SRT
Often requires separate tools
Output
Synced MP3 audio for dubbing
Subtitle file only
Related Tools
Related Workflows You Can Run Next
If you do not already have subtitles, convert your content with Video to SRT, then come back here to edit subtitle blocks and generate AI voiceover.
If you only need subtitle translation and SRT export, open SRT Translator for the translation-only workflow before returning here for dubbing.
If your content is stored in documents, use PDF to Speech or Document to Speech for direct audio output, or convert into subtitle blocks first for timeline-based dubbing.
For multi-character scripts, after refining subtitles you can continue with Multi-Voice TTS to assign different voices per role.
Frequently Asked Questions
Q: What is SRT to Speech (Auto Dubbing)?
A: SRT to Speech is a technology that converts subtitle files (.srt) into spoken audio. The AI reads each subtitle block and ensures the audio matches the start and end times defined in the file, making it perfect for video dubbing.
Q: Can I convert SRT to MP3 for free?
A: Yes. You can convert subtitle (.srt) files into synchronized MP3 audio online. Free credits are available for testing before upgrading.
Q: Does the AI voice speed adjust automatically?
A: Yes, our system optimizes the reading speed to fit within the subtitle's time window, ensuring natural synchronization without overlapping dialogue.
Q: Can I edit my subtitles before generating audio?
A: Yes. Our built-in subtitle editor allows you to correct text, fix typos, adjust timing, or refine lines before converting your SRT file to speech.
Q: Can I translate my SRT file into another language?
A: Yes. You can edit and translate subtitle text directly inside the editor before generating AI voiceovers in a different language.
Q: How many languages and AI voices are supported?
A: The SRT to Speech workflow supports 75+ languages and 1,800+ AI voices, making it useful for subtitle dubbing, localization, education, accessibility, and social video production.
Q: Can I use Azure AI voices for SRT to Speech?
A: Yes. You can choose Azure AI voices when converting SRT to voice or SRT to MP3, alongside other supported providers.
Q: Can I switch between Google, OpenAI, and Gemini voices?
A: Yes. The voice selector supports multiple AI providers, including Google, OpenAI, Gemini, Azure, and others, so you can test different voice styles before generating audio.
Q: Which voice provider should I choose for subtitle dubbing?
A: It depends on your language, tone, and project. Google and Azure offer broad language coverage, OpenAI and Gemini voices can work well for natural narration, and the preview tool helps you compare voices.
Q: How is this different from a normal text-to-speech tool?
A: Unlike traditional text-to-speech tools, our SRT to Speech engine respects subtitle timestamps and automatically synchronizes audio with video timing. No manual alignment is required.
Q: Can I use different voices for different characters?
A: Yes. You can use one voice for the full file or assign voices per line, selected rows, keyword, or speaker tags such as [A] and [B].
Q: What audio format will I receive?
A: The generated audio is provided in high-quality MP3 format. You can download a single merged file or a ZIP archive containing individual subtitle segments.