Everything you need to know about Capllio. Can't find your answer? Try it free and see for yourself.
Capllio is a AI-powered transcription and captioning tool. It converts speech in video and audio files into accurate text and SRT subtitle files in under 60 seconds, with no account or subscription required.
Yes — completely free, for everyone, with no account, no credit card, and no usage tiers to unlock.
Capllio uses one of the most accurate speech recognition models available. It performs exceptionally well across accents, technical vocabulary, and multiple languages. Clear audio consistently produces near-perfect transcripts.
For video: MP4, MOV, AVI, MKV, and WEBM. For audio: MP3, WAV, M4A, OGG, FLAC, and AAC. No file size or duration limits.
Capllio supports 99 languages including English, Spanish, French, German, Hindi, Arabic, Japanese, Chinese, Portuguese, and many more. Select your language before uploading for best results, or use Auto-detect.
No. Your video never leaves your device. Only the decoded audio is sent securely to our servers for transcription. The audio is processed in memory and is never saved, stored, or logged. Your content is completely private.
An SRT file is a standard subtitle format containing timestamped caption text. Upload it to YouTube Studio, TikTok, Instagram, Adobe Premiere, DaVinci Resolve, or any platform that supports manual captions. It works everywhere.
Yes. The Subtitle Translator tool lets you upload a video, transcribe it, and translate the captions into any of 99 languages — all in one step. The translated SRT downloads ready to use.
Yes. The Audio to Text tool supports MP3, WAV, M4A, OGG, FLAC, and AAC files. You can download your transcript as a plain TXT file or an SRT file with timestamps.
Generate your SRT with Capllio, then go to YouTube Studio → your video → Subtitles → Add → Upload file. YouTube replaces its auto-generated captions with your accurate ones immediately — no review period needed.
No account needed. No credit card. Just upload and get your SRT in under 60 seconds.
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