Free Audio & Voice Tools

Record, convert, calculate, and optimize. Every tool runs in your browser — no signup, no uploads, completely free.

Send Voice Message Online

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Record a voice message and share it with a link. Free, no signup, password protection, configurable auto-expiry. Works on any device.

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Audio to Text

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Drop an audio or video file and get the transcript back — transcribed on your device with Whisper. No upload, no signup, 35+ languages.

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Subtitle Generator

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Turn any audio or video into an .srt or .vtt caption file with timestamps. Runs on your device — no upload, no signup. Also an SRT and caption generator.

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YouTube Transcript

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Paste a YouTube link and get the full transcript with timestamps. Copy it or download as .txt or .srt. Free, no signup.

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Speech to Text

Click the mic and talk — your words become text instantly, right in your browser. 35+ languages, no signup. Private on-device Whisper option keeps audio on your device.

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Online Notepad

A free notepad that autosaves as you type. Write with the keyboard or dictate with your voice in 35+ languages. No signup, no install — notes stay in your browser.

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Online Audio Recorder & Editor

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Record audio directly in your browser with waveform visualization. Trim your recordings, preview edits, and export as WAV. No signup or installation needed.

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Audio Format Converter

Convert audio files between formats right in your browser. Support for WAV, WebM, and more. All processing happens locally — your files never leave your device.

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Audiobook Speed Calculator

Enter your audiobook duration and playback speed to instantly see adjusted listening time and time saved. Perfect for Audible, Spotify, and podcast listeners.

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Voice Note Duration Calculator

Paste your text or enter a word count to instantly estimate how long your voice note will take. Adjust for slow, normal, or fast speaking pace.

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Voice vs Typing: Time Saved Calculator

Calculate how much time you save using voice notes instead of typing. See your weekly, monthly, and yearly savings at a glance.

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BPM Tap Tempo

Tap along to any song to find its BPM. Just tap the button or press any key in rhythm — instant tempo detection with Italian tempo classification.

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Online Metronome

A free browser-based metronome with adjustable BPM, multiple time signatures, accent on beat one, and visual beat indicator. Perfect for practice sessions.

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Why use SendMyVoice tools?

Every tool on this page is completely free and runs entirely in your browser. Your audio files and data never leave your device — there are no server uploads, no accounts to create, and no limits on usage. Whether you need to quickly record a voice note, convert an audio file, or calculate how long your next audiobook will take, these tools are designed to get you an answer in seconds.

Built for voice-first productivity

These tools complement SendMyVoice, a platform that turns voice notes into structured data for your workflows. If you find yourself recording voice notes, converting audio, or calculating speech durations regularly, SendMyVoice can automate the next step — extracting data from your voice and sending it directly to Notion, Google Sheets, email, and more.

Ready for voice-powered workflows?

Record a voice note. AI structures it. Data lands in your workspace.

Try SendMyVoice free