Hwavoice STT
⚡ AI-Powered · Audio & Video to Subtitles

Speech to Subtitles & Subtitle TranslationOne AI Subtitle Platform

Audio to subtitles, speech to subtitles, speech to transcript, video to subtitles and video transcript extraction, plus subtitle translation, bilingual and multilingual subtitles — all in one workflow with high-quality subtitle generation, AI subtitle correction, an online editor and manual alignment. No tool switching.

🎙️ Start Speech to Subtitles🌐 Translate Subtitles
98%
speech-to-subtitle accuracy
AI
AI correction & translation
100+
subtitle translation languages
SRT/VTT
subtitle formats in & out

Transcribe, Translate & Edit End to End

From audio to subtitles and video to subtitles to subtitle translation and online editing — AI-driven capabilities in one place.

Audio to Subtitles / Speech to Subtitles

Upload audio and get audio to subtitles or speech to subtitles automatically, with accurate timecodes and high-quality subtitle generation.

Speech to Transcript / Speech to Text

Speech to transcript, speech to text and speech transcription in one click — clean, editable text ready to export.

Video to Subtitles

Convert MP4, MOV, MKV and more with automatic video to subtitles, timing segmentation and no manual typing.

Video Transcript Extraction

Video to transcript extraction turns any video into a clean, editable script for repurposing and publishing.

Subtitle Translation / Bilingual Subtitles

Keep original timing with subtitle translation, bilingual subtitle translation and multilingual subtitle translation into 100+ languages.

Online Subtitle Editor / Manual Alignment

Edit text and timecodes with the online subtitle editor, then fine-tune sync with online manual subtitle alignment and waveform preview.

AI Subtitle Correction

AI subtitle correction fixes typos, sentence breaks, punctuation and terminology to cut manual proofreading.

High-Quality Subtitle Generation

High-quality subtitle generation combines recognition, segmentation, punctuation and timing so exports are ready to use.

🚀Try It NowStart speech to subtitles for free →

FAQ

Common questions about audio to subtitles, video to subtitles, subtitle translation and online editing. Click to expand.

Audio to subtitles and speech to subtitles use AI speech recognition with up to 98% accuracy, but some errors may remain. We recommend running AI subtitle correction afterwards.
Subtitle translation uses large AI language models, which are more accurate and idiomatic than traditional machine translation. Bilingual subtitle translation keeps the source text and outputs a paired version for proofreading and publishing.
Subscriptions can be canceled at any time, but you will lose access to the paid services or software. You can cancel via Personal Center - Manage Subscription.
Yes. Multilingual subtitle translation outputs 100+ language versions while keeping the original timing. Bilingual subtitles are useful for proofreading and for audiences abroad.
Import and export SRT and VTT subtitle files. You can also copy the transcript or export plain text for further editing.
Yes. The online subtitle editor lets you edit text and start/end timecodes, while online manual subtitle alignment offers waveform preview so you can drag subtitle edges to sync precisely.
Video to subtitles and video transcript extraction support MP4, MOV, MKV, AVI and other common formats, automatically separating the audio track for recognition.
High-quality subtitle generation combines speech recognition, automatic segmentation, punctuation restoration and timing. AI subtitle correction then fixes typos, terminology and formatting to produce ready-to-use subtitles.

Hwavoice STT is an AI subtitle platform. Upload audio or video and finish everything in one workflow: audio to subtitles, speech to subtitles, speech to transcript, video to subtitles, video transcript extraction, subtitle translation, bilingual and multilingual subtitles, an online subtitle editor with manual alignment, AI subtitle correction and high-quality subtitle generation. Export SRT/VTT in one click.

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