Skip to main content

Overview

FlowSub - Screenshot showing the interface and features of this AI tool
  • Get studio-quality, near-human accuracy subtitles in minutes using OpenAI's Whisper AI for clear audio files.
  • Expand your global reach by generating and translating subtitles into over 99 languages, with auto-detection for multilingual files.
  • Boost video engagement by up to 40% with ready-to-use subtitle files (SRT, VTT, TXT, ASS) compatible with all major editors and platforms.
  • Make educational and course content instantly accessible with automatic closed captions generated for lecture videos and podcasts.
  • Start for free with 10 minutes of daily transcription, then upgrade to Pro for unlimited minutes, translations, and advanced formatting.

Pros & Cons

Pros

  • Studio-quality subtitles
  • Supports all file types
  • Quick turnaround
  • Ideal for educators
  • Ideal for podcasters
  • Ideal for content creators
  • Multilingual support
  • Subtitle export formats
  • Language detection
  • Subtitle translation
  • Automatic captions
  • Dependent on audio quality
  • Increased accessibility
  • Free trial available
  • Unlimited transcriptions Pro option
  • VTT format in Pro
  • Trusted by leading creators
  • Compatible with video editors
  • Suitable for social media
  • No ads
  • Converts MP4 to SRT
  • Converts MP4 to VTT
  • Converts MP4 to ASS
  • Converts MP4 to TXT
  • Audio to subtitle conversion
  • Subtitle format flexibility
  • Pro options for extensive use
  • Clear speaker accuracy
  • Supports 99+ languages
  • Exportable files for integration
  • Fast transcription process
  • Subtitle translation for Pro
  • Subtitle burning to video
  • Video preview with captions
  • Supported by leading platforms
  • Increases video engagement
  • Improves course accessibility
  • Instant subtitle translation
  • Subtitles in multiple languages
  • Automatic daily free transcriptions
  • Affordable Pro plan
  • Supports various audio formats
  • Supports various video formats
  • Secure sign up process
  • Integrated infinite use cases
  • Global audience reach
  • Quick file upload and download
  • SRT, VTT, TXT, ASS export

Cons

  • Dependent on audio quality
  • No offline functionality
  • Limited free plan
  • No built-in video player
  • No real-time transcription
  • No live chat support
  • No specific support for mobile
  • Potential language translation inaccuracies
  • Subscription needed for advanced features
  • Limited file size upload

Reviews

Rate this tool

0/2000 characters

Loading reviews...

Frequently Asked Questions

FlowSub generates subtitles from uploaded files using OpenAI's Whisper AI technology. This AI analyses the audio content of the files and generates precise subtitles with timestamps.
You can upload various types of files on FlowSub, including video formats like MP4, MKV, MOV, AVI, WebM, and audio formats like MP3, WAV, M4A, OGG. The maximum file size supported is 500 MB.
Typically, it takes FlowSub between 1-3 minutes to generate subtitles, ensuring a swift turnaround for users.
FlowSub supports over 99 languages, accommodating for a vast global audience. Languages include, but are not limited to, English, Spanish, French, German, Italian, Portuguese, Russian, Japanese, Korean, Chinese, Arabic, Hindi, Dutch, Polish, Turkish, Swedish, Danish, Finnish, Norwegian, Ukrainian, Czech, Romanian, Hungarian, Greek, Hebrew, Indonesian, Malay, Thai, Vietnamese.
Subtitles generated by FlowSub can be exported in SRT, VTT, TXT, and for Pro users, the advanced styling format ASS is also available.
The subtitles generated by FlowSub boast near human-level accuracy, thanks to the utilization of OpenAI's Whisper. However, accuracy does depend on the quality of the audio, the clarity of the speaker, and the amount of background noise.
The technology behind FlowSub's functionality is OpenAI's Whisper, an automatic speech recognition system.
Yes, FlowSub does have a language detection feature. This feature auto-detects the spoken language in the uploaded file.
Yes, FlowSub has the capability to translate subtitles into different languages. This service is specifically available for Pro users.
FlowSub is an ideal tool for podcasters, educators, content creators, and any individual or business in need of accurate and quick subtitle generation or translation.
For podcasters, FlowSub turns every episode into searchable, shareable content with accurate transcripts. This significantly increase the reach of their content.
Yes, educators can use FlowSub to automatically generate closed captions for their lecture videos. This makes content more accessible and aids in better comprehension for students.
Content creators can utilize FlowSub for transcribing their video or audio content, translating it to various languages and hence, significantly expanding their reach.
The advantage of using FlowSub for subtitling lies in its seamless user experience, the accuracy of the transcriptions, multiple language support, and fast subtitle generation.
Yes, FlowSub does offer a Pro version. Users can upgrade to Pro for $5.99/month or $49.99/year.
The Pro version of FlowSub offers a range of additional features such as unlimited minute transcription, subtitle translation, the option to export in advanced VTT and ASS formats, and video preview with captions.
To get started with FlowSub, you just need to sign up for free, upload your video or audio file, and let FlowSub automatically generate accurate subtitles. You can then download these subtitles in SRT, VTT, or TXT format.
Yes, given its wide language support (99+ languages), FlowSub is equipped to handle multilingual audio and video files. Its AI auto-detects the spoken language in the uploaded files.
FlowSub ensures studio-quality accuracy in generated subtitles by leveraging the powerful OpenAI Whisper technology. This AI technology analyses the audio precisely, thus delivering highly accurate transcriptions.
You can use FlowSub for audio transcription by simply uploading your audio file. FlowSub will automatically transcribe the file, providing you an accurate text transcript in minutes.
FlowSub is an AI-powered tool that specializes in automatic generation of subtitles and closed captions from video or audio files. It's particularly useful for podcasters, educators, and content creators. FlowSub uses OpenAI's Whisper for its operations and supports a variety of languages and file formats for export, including SRT, VTT, or TXT. It also features translation capabilities for Pro users.
FlowSub works by allowing the users to upload any video or audio file. Then, it utilizes OpenAI Whisper to transcribe those files, ensuring high levels of accuracy. It also offers capabilities such as language detection and translation for Pro users. The generated subtitles can be exported in SRT, VTT, or TXT formats for further use.
FlowSub provides high-quality and accurate subtitles. This is due in large part to FlowSub's use of OpenAI’s Whisper which provides near-human level accuracy in transcribing clear audio. However, the quality of the subtitles directly depends on the quality of the audio, clarity of the speaker, and the level of background noise.
Yes, FlowSub can be used for audio transcription. Users can upload audio files, and the tool will transcribe these into accurate, studio-quality subtitles or translations. The subtitles can then be exported in various formats like SRT, VTT, or TXT for further use.
FlowSub supports a wide variety of languages, making it a suitable tool for global use. It provides service in over 99 languages including English, Spanish, French, German, Italian, Portuguese, Russian, Japanese, Korean, Chinese, Arabic, Hindi and many more.
FlowSub supports multilingual functionality through its ability to generate subtitles in a wide range of 99+ languages. It also provides language detection capabilities. Additionally, for Pro users, the tool offers on-demand translation of the generated subtitles into any supported language.
The subtitles generated by FlowSub can be exported in a number of different formats. These include SRT, the most compatible format; VTT, the web standard format; TXT, the plain transcript format; and ASS, the format that supports advanced styling.
OpenAI's Whisper is the AI technology behind FlowSub's functionality. It analyzes uploaded audio and video files and generates precise subtitles with timestamps. The use of Whisper ensures high accuracy and reliability of the transcriptions provided by FlowSub.
FlowSub supports a wide range of video and audio file types. These include MP4, MKV, MOV for video files, and MP3, WAV, M4A, and OGG for audio files.
Yes, the quality of the subtitles generated by FlowSub is dependent on the audio quality. Factors that affect the accuracy of the transcriptions include the clarity of the speaker, the quality of the audio, and the level of background noise.
FlowSub has a two-tiered pricing model. There's a Free plan which offers 10 minutes of transcription per day and 99+ languages support with no credit card required. Furthermore, there's a Pro plan which costs $5.99 per month and offers unlimited minutes of transcription, subtitle translation, and several other features.
Yes, FlowSub does offer a free version. This includes 10 minutes of transcription per day and support for more than 99 languages. Users aren't required to enter their credit card information to use the free version of FlowSub.
The Pro plan of FlowSub, priced at $5.99 per month, offers several additional features. These include unlimited minutes of transcription, the ability to burn subtitles to videos, and a video preview function with captions. Subtitle translations are also included, along with support for exporting subtitles in various file formats including SRT, VTT, TXT, and ASS.
FlowSub is designed to quickly generate subtitles from uploaded video or audio files. Specifically, the entire process of uploading a file, transcribing it, and providing precise subtitles typically takes between 1 to 3 minutes.
FlowSub ensures accuracy in transcript generation through the use of OpenAI's Whisper. This AI technology can achieve near-human level accuracy when working with clear audio. However, the accuracy does depend on factors like audio quality, speaker clarity, and the degree of background noise.
Subtitle translation in FlowSub is part of the service offered to Pro users. This feature allows subtitles to be translated to any of the supported languages on demand, greatly increasing accessibility to a global audience.
Yes, FlowSub can certainly be used for educational purposes. Educators can make their courses more accessible by using FlowSub to generate automatic captions for every lecture in minutes. It's also a valuable tool for enabling greater comprehension for learners in multiple languages.
FlowSub can significantly enhance content response on social media. Subtitled videos are found to get 40% more engagement. This heightened engagement is especially true for users who watch on mute or in noisy environments, as the subtitles provide clarity regardless of the audio situation.
Yes, there is a size limit for the video or audio files that can be uploaded on FlowSub. The maximum file size that FlowSub allows for upload is 500 MB.
Yes, FlowSub can be used for podcast transcription. Podcasters can turn each episode into searchable, shareable content with accurate transcripts, thereby making their podcasts more accessible, engaging, and shareable among audiences globally.

Pricing

Pricing model

Paid

Paid options from

$49.99/month

Billing frequency

Monthly

Use tool

Related Videos

Upload any video or audio. Flowsub.ai generates studio-quality subtitles in minutes.

flowsub_ai4 viewsMar 12, 2026

Top alternatives