Online Captioning
The best 50 Online Captioning AI tools - Free & Paid
Explore 50 AI for Online Captioning
Captions App is an AI tool that simplifies adding subtitles and captions to videos with auto-generation, translation, and customization options. It also offers AI dubbing in over 100 languages, enabling creators to enhance accessibility and engage a broader audience effortlessly.
Freemium
Auto Caption AI instantly generates subtitles in 99+ languages, preserving full HD 1080p/60 fps video quality. Editors can adjust fonts, colors, placement, and use ready‑made or custom templates, with one‑click emoji insertion to enhance captions.
Subscription
- $14/mo
CaptionCreator automatically transcribes and captions audio/video in over 50 languages, detecting input language and translating to English. It handles noisy and multilingual speech, supporting files up to 2 GB and offering unlimited processing for registered users.
Paid
- $30
AirCaption offers offline, privacy‑first speech‑to‑text transcription and captioning for audio/video across 67 languages. It supports batch processing, hotkeys, editable timings, and export to standard formats, aiding editors, podcasters, researchers, and educators.
Subscription
- $9.99/mo
SyncWords delivers real‑time AI captioning, subtitling, and voice dubbing for live broadcasts and events, reproducing speaker voices via Vocalics cloning and translating into 30+ languages with minimal latency. It outputs broadcast‑grade captions in multiple formats and supports FCC compliance.
Freemium
- $0.5
Automatically generate captions or subtitles from any video with a single upload. The tool transcribes dialogue or translates it into multiple languages, embedding subtitles back into the file. All processing occurs locally in the browser, ensuring privacy and quick creation for creators.
Free
Zubtitle automatically captions videos, offers brand‑style templates and editing tools, and outputs ready‑to‑post formats for TikTok, YouTube, and LinkedIn. It adds subtitles, chapter timestamps, watermarks, and AI‑generated post copy.
Freemium
EasySub AI automatically transcribes and translates videos into over 150 languages. It supports MP4, MOV, AVI, MKV, MP3, WAV, and YouTube uploads, offers downloadable SRT/TXT/ASS files, an editor for fine‑tuning, and export presets for major social media platforms.
Freemium
Captionic is a free AI caption generator that creates subtitles for short videos, enhancing accessibility and engagement. It supports multiple languages and allows seamless integration, optimizing content for a wider audience and improved SEO.
Free
Akkadu delivers real‑time, multilingual AI translations and captions for live meetings, events, and streams on Zoom, Teams, Webex, YouTube Live, and Facebook Live. It lets users choose engines, add glossaries, customize fonts, apply safety filters, capture audio via OBS, and store transcripts online
Paid
SubEasy AI delivers near‑perfect transcription and multilingual subtitles for video and audio, supporting 100 languages with 99 % accuracy. It offers dubbing, animated captions, speaker ID, OCR extraction, audio splitting, and export to VTT/SRT for social media publishing.
Freemium
- $9.9/mo
FreeSubtitles.AI converts MP4, MKV, MOV, MP3, WAV, and FLAC files up to 1 hour and 300 MB into accurate transcripts in over 100 languages, then translates subtitles into 91 languages, supporting educators, podcasters, and researchers.
Free
Videofa.st automates subtitling for short videos, providing accurate captions in 99 languages. It enhances accessibility, engagement, and maintains brand aesthetics with customizable, professional-quality outputs, compatible with various video formats and easy to integrate into workflows.
Freemium
- $6/mo
Subtitlegen is an AI-powered tool that automatically transcribes videos and generates subtitles with high accuracy in multiple languages. It features online editing, easy export options, and strong privacy measures, enhancing accessibility for content creators.
Freemium
- $10/mo
Maestra transcribes and translates audio/video into searchable text, subtitles, and dubbed audio across 125+ languages, offering live transcription, subtitle editing, voice cloning/TTS, collaboration tools, content workflows, and APIs for integrations and automated publishing.
Freemium
SubtitleBee automatically generates and syncs subtitles for video and audio files, supports on‑screen editing, customization, and multilingual translation, offers multiple export formats, and provides social‑media cropping for creators and podcasters, enabling accessible content across platforms.
Freemium
InterSub offers side‑by‑side subtitles in native and target languages on major streaming platforms. Hovering reveals real‑time AI definitions; highlighted words auto‑save to a personal wordbook that syncs with Anki, Telegram, and mobile apps.
Freemium
Rask is an AI-powered localization tool that offers video translation, captioning, subtitling, voice over, and dubbing services in multiple languages, with a 14-day free trial for businesses, content creators, and educators.
Free trial
- $60/mo
Generate one‑click captions for photos in any language. Upload an image, pick a target platform, and receive a tailored caption from a library of 100+ categories. Copy or download the text directly for use on social media.
Freemium
TurboScribe is an AI-powered transcription tool offering ultra-fast conversion of audio and video files to text. It supports over 98 languages, handles uploads up to 10 hours long, and features speaker recognition for meetings, interviews, and podcasts.
Freemium
- $10/mo
OneAccord delivers live AI text and audio translation for church services in 50+ languages, including dialects. Captions stream to congregants’ mobile browsers, with pre‑translation moderation, multi‑campus support, branding, audio monitoring, and downloadable transcripts.
Subscription
- $150/mo
Language Reactor enhances language learning with dual subtitles, a popup dictionary, and precise video controls on Netflix. Features like Turtle Tube, machine translation, vocabulary suggestions, PhrasePump, and a chatbot support interactive and immersive learning experiences, making it a valuable t
Translate.video automates video localization: it transcribes, generates subtitles, and dubs content in 75+ languages using voice cloning from a 50‑second clip. Users can edit captions, export SRT/VTT/MP4, and integrate plugins for Photoshop, Illustrator, and Figma.
Freemium
- $29/mo
Zapcap is an AI-driven video creation tool that automates caption generation, adds trendy templates and sound effects, and selects b-rolls. It simplifies the video editing process to enhance viewer engagement and maximize social media discoverability.
Free trial
YTvidhub is a YouTube subtitle downloader that extracts transcripts and captions from videos, playlists, and channels. It supports bulk downloads, multiple export formats (SRT, VTT, TXT), and includes an AI-powered summary generator for content analysis and repurposing.
Freemium
Vozo AI Video Translator converts video content into 110+ languages with context‑aware translation and automatic transcription. It clones original speaker voices, syncs lip movements, replaces on‑screen text, and offers bilingual subtitles, real‑time editing, and secure enterprise integration.
Subscription
- $25/mo
Imagetocaption.ai generates on‑brand captions, hashtags, and emojis for images and videos in 27 languages. Upload photos, carousels, or 2 GB/3‑min videos; instant copy‑to‑clipboard and brand‑voice matching. Useful for creators, agencies, merchants, and e‑commerce.
Subscription
- $100/mo
VideoLingo is an AI tool for generating bilingual subtitles and dubbing, focusing on precise translations and cultural localization. It supports over eight languages, enhancing global accessibility while maintaining emotional tone and technical accuracy.
Free trial
- $5/mo
Submagic automates short‑form video editing, offering multilingual captions, text‑based trimming, AI‑powered features like auto‑zoom and eye‑contact correction, and direct multi‑platform publishing up to 4K@60fps, cutting editing time by up to 90%.
Free
- $1.33/mo
PolyPal provides millisecond‑latency AI live translation and real‑time subtitles across 43 languages and 95 accents for meetings, events, and streams, with accent recognition, live transcription, searchable/exportable transcripts, mobile/desktop apps, and privacy‑first controls.
Free trial
Video Transcriber AI is a tool that instantly converts videos from MP4, YouTube, or Zoom into text. It offers speaker recognition and accuracy modes for transcriptions up to 1GB, with no sign-up required.
Freemium
CaptionKit is an AI application that streamlines video subtitle creation in over 100 languages. It features customizable templates, a translation option, and a preview mode for optimized visibility across social media, enhancing video accessibility for all users.
Free
Scribewave converts audio and video up to 5 GB and 5 hours into accurate transcripts in over 90 languages. The platform offers real‑time editing, export to Word, Docs, SRT/VTT, subtitle burning, AI‑generated summaries, chapter markers, and GDPR‑compliant European data storage.
Subscription
TransLinguist delivers real‑time speech‑to‑speech translation across 15+ languages for live meetings, conferences, and support calls. It offers video remote interpretation, captions, sign‑language support, and a marketplace for on‑demand interpreters, all secure and browser‑based.
Freemium
BlipCut AI Video Translator automates localization for over 140 languages, using speech recognition, transcription, AI‑dubbed voice cloning, and lip‑sync. It supports batch processing, subtitle editing, and customizable voice libraries for global video content.
Subscription
- $25/mo
Voscribe automatically transcribes audio and video with over 95% accuracy, converting 15 minutes of content in about one minute. Transcripts sync to media and can export SRT subtitles, simplifying editing for podcasters and video producers.
Freemium
- $9/mo
Verbalate automates video translation into 230+ languages, providing subtitles, voice cloning, and lip‑sync options. Users edit transcripts, perform back‑translation, and integrate via API, supporting industry terms and optional human verification for accuracy.
Subscription
- $9/mo
LingoSub lets learners watch videos in their target language with AI‑generated subtitles and translations. Tap words for definitions and pronunciations, reinforcing vocabulary in context. It offers level‑appropriate content, speed adjustment, and a curated library of learning titles across multiple
Paid
Kapwing is an online video platform offering drag‑and‑drop editing for trimming, layering, overlays, and team collaboration. Its audio tools record, edit, and clean tracks; subtitler auto‑generates captions in 40+ languages.
Freemium
VidCap is an AI tool for automatic subtitle generation and video translation, supporting over 100 languages. It offers features like custom fonts, background noise removal, 4K exports, and design previews to enhance video quality and accessibility.
Freemium
TranscribeToText.AI turns audio and video files—up to 10 hours or 5 GB—into accurate text in 100+ languages, supporting MP3, MP4, WAV, OGG, etc. Export as DOCX, PDF, TXT, SRT, VTT or import from URLs, YouTube, Google Drive, Dropbox, or live meetings.
Freemium
VMEG provides AI-driven video translation, dubbing, lip sync, subtitle generation and voice cloning across 170+ languages, with text-to-speech, IPA pronunciation control, editing studio, workflow APIs, batch processing and human-in-the-loop localization for scalable multilingual content production.
Subscription
Speechnotes is a web‑based speech‑to‑text tool for real‑time dictation and batch transcription in multiple languages. It offers speaker tagging, timestamps, subtitle export, and imports from Google Drive, YouTube, or local files. Export to text, markdown, PDF while preserving privacy.
Freemium
- $1.9/mo
Hello8 automates speech‑to‑text transcription and adds human editing to deliver broadcast‑ready subtitles in 90+ languages. It enforces quality criteria, supports SRT/VTT/TTML, and stores data encrypted on EU servers, meeting GDPR and C2PA standards.
Subscription
- $9.99/mo
EasyDictation.app converts YouTube videos into interactive learning modules, auto‑generating multilingual transcripts, auto‑pausing per sentence, offering repeat practice, instant accuracy feedback, real‑time shadowing pronunciation scoring, and tracking vocabulary and progress for learners and educ
Subscription
Banva transcribes audio/video into subtitles in over 80 languages with 95% accuracy, handles background noise and multiple speakers, and offers an editor for corrections and styling. Export as SRT, VTT, TXT, JSON, or burn directly into the video.
Free
All‑in‑one platform integrating GPT‑4o, Claude, Gemini, and others for unified text, image, video, and document AI. Offers summarizing, translation, prompt templates, workflow tools, quiz creation, SCORM export, web search, subtitles, dubbing. SOC II‑compliant with field‑level encryption and data is
Subscription
- $8/mo