Free tools
Every tool here is free and needs no account. All of them except the subtitle translator and WhatsApp audio to text work in your browser: your files are not uploaded anywhere.
Subtitles
- SRT ↔ VTT converterConvert SRT subtitles to WebVTT or VTT to SRT in your browser. Free, no sign-up, and your file never leaves your computer.
- VTT to SRT converterConvert WebVTT (.vtt) subtitles to SRT in your browser. Cues are numbered and VTT-only tags removed. Free, no sign-up, the file never leaves your device.
- SRT to TXT (subtitles to text)Turn an SRT subtitle file into plain text without numbers, timestamps or tags: one subtitle per line or running paragraphs. Free, in your browser, nothing is uploaded.
- VTT to TXT (WebVTT to text)Extract plain text from a WebVTT (.vtt) file without the header, timestamps, cue settings or tags: one cue per line or paragraphs. Free, in your browser.
- ASS/SSA to SRT converterConvert Advanced SubStation (.ass) and SubStation Alpha (.ssa) subtitles to SRT. Italic, bold and underline are kept; positions, colours and effects are removed. Free, nothing is uploaded.
- SBV to SRT converterConvert YouTube .sbv captions to SRT or VTT for video editors, players and other platforms. Free, in your browser, nothing is uploaded.
- SRT to TTML (DFXP) converterConvert SRT or VTT subtitles to TTML (DFXP) XML for streaming and broadcast platforms. Italic, bold and underline become TTML styles. Free, nothing is uploaded.
- SRT to CSV (subtitles to a spreadsheet)Convert SRT or VTT subtitles into a CSV table with number, start, end and text columns — ready for Excel or Google Sheets. Free, in your browser.
- Transcript to SRT/VTTPaste a transcript with timestamps and get SRT or WebVTT subtitles. Works with lines like “00:01:23 Anna: text”. Free, nothing is uploaded.
- Subtitle time shiftSubtitles out of sync? Move every SRT or VTT cue earlier or later by the same amount. Free, in your browser, no sign-up.
- Subtitle frame rate converterSubtitles drift further out of sync as the video goes on? Recalculate SRT or VTT times for another frame rate: 23.976, 24, 25, 29.97, 30 fps and more. Free, nothing is uploaded.
- Subtitle readability checkerCheck SRT or VTT subtitles for lines over 42 characters, reading speed over 17 characters per second, cues with more than two lines and overlapping cues. Free, in your browser.
- Subtitle line length fixerRewrap subtitle lines that are too long: set the characters per line (e.g. 42) and lines per subtitle (e.g. 2). Subtitles that don't fit are split with their timing. Free, in your browser.
- Remove subtitle tags and SDHClean SRT or VTT subtitles: remove HTML and ASS tags, descriptions for the hard of hearing such as [music] or (laughs), song lyrics and speaker names. Free, in your browser.
- Split and merge subtitlesSplit a subtitle file at a time you choose, or merge several files into one with the times shifted correctly. SRT and VTT, free, in your browser.
- Dual-language subtitlesMerge subtitles in two languages into one SRT or VTT file, one language above the other — handy for learning a language. Free, in your browser, nothing is uploaded.
- Online subtitle editorEdit subtitle text and timing in your browser, check them on your own video and save as SRT or VTT. Opens SRT, VTT, SBV and ASS. Free, nothing is uploaded.
- Subtitle translator (SRT, VTT)Upload an SRT or VTT file, choose a language and download translated subtitles with the original timings. Free machine translation, no account needed.
Transcripts
- WhatsApp audio to textTurn a WhatsApp voice note into text: save it from your Android phone or iPhone, upload it here and read the transcript. One note up to 5 minutes, free, no sign-up.
- Anonymize a transcriptReplace names from your list, emails, phone numbers and long numbers in an interview transcript with labels like [P1] and [ORG1]. Free, in your browser, with a table of replacements to download.
- Remove timestampsDelete timestamps like [00:01:23], speaker names, or both from a transcript or SRT/VTT subtitles and keep clean text. Free, in your browser, no sign-up.
- Remove filler wordsRemove um, uh, er and other hesitation sounds from a transcript. Ready lists for 27 languages, or your own list. Free, in your browser.
- Timestamp converterConvert 00:01:02,500 to seconds, frames or timecode and back, at 23.976, 24, 25, 29.97 (drop frame), 30, 50, 59.94 or 60 fps. Free, in your browser.
- Transcript word countCount the words in a transcript without timestamps and speaker names, see how many words each speaker said, and how long the text takes to read and to say. Free.
- Transcript formatterRename speakers (Speaker 1 → Anna), merge their lines into paragraphs and download the transcript as a Word document (DOCX) or a text file. Free, in your browser.
- Transcription time calculatorWork out how many hours it takes to transcribe your recordings by hand, using the published norm of 6–7 hours per hour of interview. Add your hourly rate to see the cost. Free.
- Speech time calculatorHow long is a 1,000-word speech? Paste your text or enter a word count to see the speaking time at a slow, average and fast pace, or turn minutes into words. Free.
Audio converters
- Video to MP3Extract the audio from MP4, MOV, MKV or WebM and save it as MP3. Free, no account, and the file never leaves your device.
- M4A to MP3Convert M4A recordings from iPhone Voice Memos and other apps to MP3. Free, in your browser, the file stays on your device.
- OPUS/OGG to MP3Turn WhatsApp and Telegram voice notes (OPUS, OGG) into MP3 files that play everywhere. Free, in your browser, nothing is uploaded.
- AMR/3GP to MP3Convert AMR and 3GP recordings from older phones and voice recorders to MP3. Free, in your browser, nothing is uploaded.
- WAV to MP3Convert WAV recordings to MP3 and make them several times smaller. Free, no account, and the file never leaves your device.
- FLAC to MP3Convert FLAC to MP3 for phones, car stereos and players that don’t play FLAC. Free, no account, nothing is uploaded.
- OGG to MP3Convert OGG files (Vorbis, Opus) to MP3 that opens in every player and on every phone. Free, in your browser, nothing is uploaded.
- AAC to MP3Convert AAC audio files to MP3 for older players, car radios and programs that expect MP3. Free, no account, the file stays on your device.
- WebM to MP3Take the audio from WebM files — browser and screen recordings, downloaded videos — and save it as MP3. Free, in your browser, nothing is uploaded.
- 3GP to MP3Convert 3GP videos and voice recordings from phones to MP3. Free, in your browser, and the file never leaves your device.
- MOV to MP3Extract the sound from MOV videos — iPhone, iPad and Mac screen recordings, cameras — and save it as MP3. Free, nothing is uploaded.
- MKV to MP3Extract the audio from MKV videos — screen recordings, lectures, downloads — and save it as MP3. Free, in your browser, nothing is uploaded.
- MP3 to WAVConvert MP3 to WAV (16-bit PCM) for editors, samplers and programs that need WAV. Free, no account, and the file never leaves your device.
- M4A to WAVConvert M4A recordings — iPhone Voice Memos, recorders, apps — to WAV for editing programs. Free, in your browser, nothing is uploaded.
- MP4 to WAVExtract the sound from an MP4 video and save it as WAV (16-bit PCM) for editing and audio programs. Free, nothing is uploaded.
Audio editing
- Compress audioMake a recording smaller for email or a messenger: choose the quality and see the size before you start. Free, in your browser, nothing is uploaded.
- Trim audioCut the part of a recording you need: set the start and the end, listen, download as MP3. Free, in your browser, nothing is uploaded.
- Merge audio filesJoin several recordings into one MP3, in the order you choose. Free, in your browser, the files stay on your device.
- Make audio louderMake a quiet recording louder: the whole file is set to −16 LUFS and peaks are held below clipping. Listen before and after, save as MP3 or WAV. Free, nothing is uploaded.
- Remove background noiseReduce hiss, fan, air conditioning and street noise behind speech. Listen before and after, save as MP3 or WAV. Free, in your browser, nothing is uploaded.
- Change audio speedSpeed up or slow down a recording from 0.5× to 2× without changing the pitch of the voice. Save as MP3 or WAV. Free, in your browser, nothing is uploaded.
- Remove silenceCut long pauses out of a recording: choose how long a pause may be and see how much time was removed. MP3 or WAV, free, in your browser, nothing is uploaded.
- Split audioCut a long recording into parts every few minutes or at the times you choose. Download each part or all of them in one ZIP. Free, in your browser, nothing is uploaded.
- Fade in and fade outAdd a smooth fade-in at the start and a fade-out at the end of a recording. Choose the length in seconds and save as MP3 or WAV. Free, in your browser.
- Stereo to monoTurn a stereo recording into mono and lower the sample rate to make the file smaller. MP3 or WAV, free, in your browser, nothing is uploaded.
- Audio length calculatorDrop in many audio or video files and see the length of each one and the total in hours and minutes. Free, in your browser, nothing is uploaded.
- Online voice recorderRecord your voice with the microphone, listen back and download MP3 or WAV. Free, no account, and the recording stays on your device.
- Microphone testTest your microphone in the browser: watch the level live, check for distortion and background noise, record 5 seconds and listen. With tips for clean recordings.
Templates
- Meeting minutes templateThree meeting minutes templates: short notes, standard minutes and formal board minutes. Preview them, download a DOCX file or copy the text. Free, no sign-up.
- Interview transcript templateFree interview transcript template with the interview details, speaker labels, timestamps and transcription conventions. Download a DOCX file or copy it as Markdown.
- Focus group transcript templateFree focus group transcript template for many speakers: session details, a participant key, conventions for crosstalk and group reactions, and a transcript table. DOCX or Markdown.
- Qualitative codebook templateFree codebook template for qualitative research: code, definition, when to use, when not to use and an example quote. Download a DOCX document or an XLSX spreadsheet.
- Podcast show notes templateFree podcast show notes template: episode summary, time-stamped chapters, guest bio, key takeaways, quotes, links and credits. Download a DOCX file or copy it as Markdown.
- Transcription style guideVerbatim or clean verbatim? A free transcription style guide with side-by-side examples, the tags both styles use, and space for your project's own rules. DOCX or Markdown.