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Free Online Speech to Text & Audio Tools

Transcribe, convert, trim, validate. Everything runs in your browser. No signup required.

Speech to Text

Transcribe Audio/Video
Upload any file and get a transcript
Live Transcription
Real-time speech to text from mic
MP3 to Text
Transcribe MP3 audio files
MP4 to Text
Transcribe MP4 video files
WAV to Text
Transcribe WAV audio files
M4A to Text
Transcribe M4A audio files
FLAC to Text
Transcribe FLAC audio files

Text & Transcript Tools

Word Counter & Speaking Time
Count words, characters, estimate speaking time
Transcript Comparison
Compare two transcripts side-by-side
Transcript Formatter
Clean and format raw transcripts
Timestamp Converter
Convert between timecode formats
Transcript Search
Find words with timestamps
Meeting Minutes Template
Generate professional meeting minutes
Podcast Show Notes
Create show notes with timestamps
AI Content Generator
Turn transcripts into blog posts, social media & more
Filler Word Detector
Count um, uh, like — improve speaking clarity
Speaking Pace Analyzer
Calculate words per minute and pace rating
Readability Score
Flesch-Kincaid, Gunning Fog & more
Reading Speed (CPS)
Check Netflix reading speed guidelines
Topic Cluster Visualizer
Visualize themes and connections

Subtitle Tools

Caption Converter
SRT, VTT, ASS, SBV, JSON
Subtitle Validator
Check for errors and auto-fix
Subtitle Editor
Edit text and timing online
Subtitle Sync
Shift timing to match video
Reading Speed (CPS)
Check Netflix reading speed guidelines
Subtitle Translator
Translate subtitles to 100+ languages
Burn Subtitles to Video
Hardcode captions into video
Subtitle Overlay Preview
Preview subtitles on video with custom styles
Visual Timeline Editor
Drag, resize, split, check compliance

Audio Tools

Voice Recorder
Record and transcribe live
Audio Trimmer
Cut audio to exact segments
Speed Changer
0.25x to 4x playback speed
Silence Remover
Remove silent sections
Noise Remover
Remove background noise
Format Converter
MP3, WAV, FLAC, OGG, M4A
Audio Joiner
Merge multiple files into one
Audio Compressor
Reduce file size
Audio Metadata
View bitrate, duration, codec
Audiogram Generator
Waveform videos for social
Audio Text Editor
Edit audio by editing text
Microphone Test
Level meter, waveform, playback
Volume Booster
Increase audio volume
Pitch Changer
Shift pitch without changing speed
Audio Reverser
Play audio backwards
Audio Fade In/Out
Smooth fade transitions
Vocal Remover
Remove vocals or isolate voice
BPM Detector
Detect tempo and beats per minute
Ringtone Maker
Create custom ringtones
Audio Equalizer
Adjust EQ bass, treble, mid
Mono/Stereo Converter
Switch between mono and stereo

Audio Format Converters

MP3 to WAV
Convert MP3 to lossless WAV
WAV to MP3
Compress WAV to smaller MP3
FLAC to MP3
Convert FLAC to compact MP3
M4A to MP3
Convert Apple M4A to MP3
OGG to MP3
Convert OGG Vorbis to MP3
WebM to MP3
Extract audio from WebM
MP4 to MP3
Extract audio from MP4 video
MOV to MP3
Extract audio from MOV video

Video Tools

Video to Audio
Extract audio from video
Video to GIF
Convert video to animated GIF
Burn Subtitles
Hardcode captions into video

Other Tools

Text to Speech
Convert text to natural speech
YouTube Transcript
Extract captions from videos
AI Voice Cloner
Clone any voice from audio
Language Detector
Identify language from audio or text
Microphone Test
Check if your mic is working
Readability Score
Flesch-Kincaid, Gunning Fog & more
Chrome Extension
Right-click to transcribe any media
Transcription Widget
Embed speech-to-text on your site

Transcribe from 1319+ Platforms

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Paste a URL from any supported platform and get a transcript.

Video Platforms
YouTube Vimeo Dailymotion Twitch Rumble Odysee BitChute PeerTube Bilibili Streamable Wistia Vidyard Brightcove Loom Archive.org
Social Media
TikTok Instagram Facebook Twitter/X Reddit
Audio & Podcasts
SoundCloud Spotify Apple Podcasts Mixcloud Bandcamp Deezer Google Podcasts
Meeting Platforms
Zoom Google Meet Microsoft Teams Webex
Education
Coursera Udemy Khan Academy TED Talks
News & Media
BBC CNN C-SPAN PBS

More

Speech to Text
Free AI-powered transcription
Audio to Text
Convert any audio file to text
Video to Text
Transcribe video files to text
Speaker Detection
Identify who said what
Export Formats
TXT, SRT, VTT, DOCX, JSON, PDF
Security & Encryption
Client-side encrypted storage
What is Speech to Text?
How AI transcription works
Accessibility
STT for deaf & hearing impaired
Phone Call Transcription
Transcribe call recordings
Voice Notes
Speech to text note taking
Auto Subtitles
Generate subtitles & captions
Meeting Transcription
AI notes & action items
Voice Typing
Type with your voice for free
AI Models
Compare Whisper, Canary & more
Private Cloud
Dedicated GPU — your data never leaves
100+ Languages
See all supported languages
Compare Alternatives
STT.ai vs other platforms
Bookmarklet
One-click transcribe from any page
API Playground
Test API endpoints live
Transcript Library
Browse public community transcripts
Podcast Directory
Auto-transcribed podcast episodes
Free for Educators
Free Pro plan for .edu emails
Free for Open Source
Free Pro for open-source projects
Slack Integration
Transcribe audio in Slack
WordPress Plugin
Auto-transcribe audio/video posts
Zapier & Make
Automate transcription workflows