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
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
Zeemo.ai is an automatic video captioning tool with features such as dynamic captioning, subtitle translation, batch-edit captioning, and video editing tools to create customized videos in 17 languages with a 98% accuracy rate.
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
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
Taption transcribes audio or video into text and subtitles in over 40 languages, auto‑labels speakers, offers translations, editable timelines, video trimming, memos, AI summaries, chapter markers, Q&A search, and exports to MP4, SRT, PDF, etc., with collaborative permissions.
Freemium
- $12/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
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
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
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
Felo Subtitles offers real-time captions and translated subtitles for online meetings and live streams across platforms like Zoom and Google Meet. It ensures effective multilingual communication with automatic speech recognition and easy language switching.
Subscription
- $39
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
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
Animaker Subtitle Generator auto‑transcribes audio, adds and edits subtitles with a click, supports 20+ animated styles, translates to 100+ languages, allows manual adjustments or .srt/.vtt uploads, and exports videos or subtitle files for broader use.
Free
- $10/mo
Transcri is an AI transcription and subtitle generation tool that supports over 50 languages. It allows users to upload various audio formats, offers built-in correction, project collaboration, and multiple export options for easy integration into projects.
Freemium
- $2.99/mo
Immersive Translate is a browser and mobile extension that offers side‑by‑side bilingual web pages, translates PDFs, ePub, DOCX, subtitles, adds subtitles to videos, provides live translation for Zoom, Google Meet, Teams, OCR‑based image translation for students, researchers, and professionals.
Free
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
SubtitlesDog AI Subtitle Translator offers effortless translation of subtitles in over 100 languages, supporting popular formats like SRT and VTT. With advanced AI models ensuring accuracy and secure processing, it provides flawlessly timed subtitles for seamless playback.
Freemium
- $9.9/mo
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