Free tools that run in your browser
No signup, no upload, no email wall. Every tool here runs as JavaScript in the tab you already have open, so your transcripts and recordings never touch a server. Open your network tab and check. That is the point.
Subtitles & transcripts
Transcript cleaner
Strip timestamps, speaker labels, cue numbers and filler words out of any meeting transcript. Free, no signup, and the text never leaves your browser.
Transcript redactor
Mask emails, phone numbers, card numbers and names in a meeting transcript before you share it. It runs in your browser, so the transcript is never uploaded.
SRT to text
Turn an SRT or VTT subtitle file into clean, readable plain text. Timecodes and cue numbers out, sentences in. Free, no signup, and the file never leaves your browser.
SRT to VTT converter
Convert SubRip .srt subtitles to WebVTT .vtt for the web. Validates the timecodes and tells you which line is wrong instead of quietly corrupting the file.
VTT to SRT converter
Convert WebVTT .vtt subtitles to SubRip .srt for video editors and players. Free, no upload, and malformed cues are reported by line number.
Subtitle timing shifter
Move every subtitle cue forward or back by a set number of seconds, or merge two subtitle files with an offset. Runs in your browser, nothing uploaded.
By meeting platform
Zoom transcript to text
Turn a Zoom audio transcript or closed-caption .vtt into readable text. Timecodes and cue numbers out, speaker names optional. Free, and the file stays in your browser.
Teams transcript to text
Convert a Microsoft Teams meeting transcript .vtt into plain readable text. Handles the <v Speaker> tags and the long cue IDs. Free, no signup, nothing uploaded.
Google Meet transcript to text
Paste a Google Meet transcript from the Doc it saves to Drive and get clean readable text. Free, no signup, and the transcript never leaves your browser.
Otter transcript to text
Turn an Otter.ai export into clean plain text: speaker headers and elapsed times out, paragraphs in. Free, no signup, nothing uploaded.
Fireflies transcript to text
Turn a Fireflies.ai transcript export into clean plain text. Speaker headers and timestamps out, readable paragraphs in. Free, no signup, no upload.
Transcript analyzer
Paste a meeting transcript and see who talked for how long, how many filler words there were, and the speaking rate. Free, no signup, runs in your browser.
Calculators & pickers
How long does transcription take?
Put in the length of your recording and see what each method actually costs you in time and money: typing it yourself, a human service, a cloud AI, or your own machine.
Transcription cost calculator
Enter your monthly meeting hours and compare Rev, Otter, Fireflies, Sonix and GoTranscript against a one-time local recorder. Break-even in months, published list prices.
Which Whisper model should I use?
tiny, base, small, medium or large? Enter your memory, graphics and whether you want speed or accuracy, and get the model that actually fits, with the sizes and speeds side by side.
Microphone test
Live level meter, clipping and background-noise readout, and a five-second playback so you can hear what everyone else will. Nothing is recorded or uploaded.
Transcribe in your browser
Extract audio from video
Pull the audio track out of an MP4, MOV, WebM or MKV as MP3, WAV or M4A. It runs in your browser with ffmpeg compiled to WebAssembly, so the video is never uploaded.
Transcribe audio in your browser
Transcribe an audio file with Whisper running inside your own browser. No account, no upload, no minute limit. The model downloads once; your recording never leaves the tab.
Transcribe a video in your browser
Upload nothing. Pick a video and this extracts the audio and transcribes it with Whisper, entirely inside your browser. Download the transcript as .txt or .srt.
Audio & video
Audio converter
Convert between MP3, WAV, M4A and OGG without uploading anything. ffmpeg compiled to WebAssembly does the work inside your own tab. Free, no signup.
Audio trimmer
Cut a section out of an MP3, WAV or M4A by start and end time. It runs in your browser with ffmpeg compiled to WebAssembly, so the file never leaves your machine.
Audio compressor
Make an audio file smaller by re-encoding it at a lower bitrate. It runs in your browser with ffmpeg compiled to WebAssembly, so there is no account to make and nothing to upload.
Tell us what to build
autorec for Mac
The Mac build is out for Apple Silicon. It is not notarized by Apple yet, so the first launch takes an extra click. Leave your email for the notarized build and Intel support.
Which app should autorec watch?
autorec detects Zoom, Teams and Google Meet automatically. Tell us which app you use and we'll look at adding it. Free, no account needed.
Request a feature
Tell us what autorec is missing. Small team, short list, no ticket queue to disappear into. Free, no account.
Stop doing this by hand
autorec records your Zoom, Teams and Meet calls on your own machine and transcribes them locally. No bot joins the call, and nothing is uploaded. €20 once.
Download autorec