Voice Recorder

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Record straight from your microphone — everything stays in your browser, nothing is uploaded. Choose your mic, watch the live waveform, then trim, polish, and download.

?Choose which microphone or input device to record from. The list fills in after microphone permission is granted.

Input settings

100%

Off = faithful capture (better for music). Applies to your next recording.

CLIP 0:00.0
Advanced mode: record again to add another take. ?After a take is ready, pressing Record in Advanced mode appends a new take to the same recording. Use New to delete it and start over.
?Open an existing audio file so you can trim, de-click, clean up, and export it again. Loading a file replaces the current recording.
Tap the red button to start recording.

Your recording

Take {n} trim

Drag this take's waveform handles, or type exact start and end seconds before it is joined into the final clip.

0:00.0
0:00.0
0:00.0 selection 0:00.0 0:00.0
1×
0:00.0
0:00 / 0:00
Effects post-recording · adjustable anytime

Cleanup

Echo distinct repeats bouncing back

35%
More echo options
250ms
40%

Reverb room ambience

30%
More reverb options
2.2s
20ms
40%

Voice character & speed

0%
1.0×

Polish & export

?Moves the trim handles inward to remove quiet leading and trailing sections.

Effects are applied after recording — adjust them on the clip and the preview and downloads update to match. Play speed changes the preview only (pitch is preserved).

Preparing edited audio… 0%
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About This Tool

The Voice Recorder captures audio straight from your microphone and lets you shape it before you save. You can pick which microphone to use, choose faithful or cleaned-up input, watch a live waveform as you speak, and trim the result with a draggable selection. Everything runs in your browser. Your audio is never uploaded, so recordings stay private to your device.

How to Use

  1. Choose your microphone and tap the red button to start recording.
  2. Watch the live waveform, then tap Stop when you're done.
  3. Trim the clip, add any effects, and download it as WAV, MP3, WebM, Opus, or M4A.

Methodology

Recording uses your browser's built-in microphone access and media recorder to capture the live input, with optional echo cancellation, noise suppression, and automatic gain control passed as standard audio settings. Effects are applied after recording by re-playing the clip through an offline audio graph: filters shape the tone, a delay line creates echo, and a convolution with a generated impulse response creates reverb. Downloads use the same edited clip for WAV, MP3, WebM, Opus, and M4A when the format is available in your browser.

Sources: MDN — MediaRecorder · MDN — getUserMedia · MDN — Web Audio API · Xiph.Org — Opus

Understanding Your Results

The live waveform shows how loud you are as you record. Tall bars mean a strong signal; bars that turn red mean the input is clipping, so lower the volume or move back from the mic. On the saved clip, drag the edges to trim and click to move the playhead — playback and every download follow your selection. Echo adds distinct repeats that bounce back, while reverb adds the smooth ambience of a room; use a little of each rather than a lot.

Practical Examples

Voice note: keep echo cancellation and noise suppression on, record, trim the silence at the ends, and download a compact Opus file to share. Singing or an instrument: turn the input processing off for a faithful capture, add a touch of reverb at around 25%, normalize, and download a lossless WAV. Phone-style skit: pick the Telephone character, add a little grit, and the voice comes out band-limited like a call.

Tips for a better recording

• Record a few seconds of silence first to hear your background noise, then decide whether to leave noise suppression on. • Watch the live waveform and keep the bars well below the top. If they turn red, the sound is clipping — turn the volume down. • Use echo and reverb sparingly. A small amount adds space; too much makes speech hard to follow. • In Advanced mode you can record several takes and join them, then delete any take you don't want. • Trim silence with one tap, then fine-tune the start and end by dragging the waveform edges.

Sources

Your recordings never leave your device. Audio is captured and processed entirely in your browser, with no uploads and no server requests, and nothing is stored after you close the page unless you download it.

Frequently Asked Questions
Does this recorder upload my audio?
No. Your microphone audio is captured and processed entirely in your browser. Nothing is uploaded to a server, and nothing is kept after you close the page unless you download it yourself.
Which file formats can I download?
WAV is always available and preserves the edited audio without compression. MP3 is offered for broad sharing, while WebM and Opus provide compact browser-friendly downloads when supported. M4A appears only when the current browser can encode AAC audio.
How do I choose or switch microphone?
Pick a microphone from the dropdown at the top. The list fills in once you've granted microphone permission. If you plug in a new device, it appears automatically, and you can switch before each recording.
What do echo cancellation, noise suppression, and automatic gain do?
They are standard input settings your browser applies as it captures. Echo cancellation removes sound fed back from your speakers, noise suppression reduces steady background noise, and automatic gain control levels quiet and loud speech. Turn them off for the most faithful capture, which is better for music.
What's the difference between echo and reverb?
Echo is a set of distinct repeats that bounce back after a clear gap, like calling out in a canyon. Reverb is the smooth wash of a room's reflections blending together, like singing in a hall. The recorder lets you add each separately and adjust its level.
Can I record several clips and join them?
Yes. In Advanced mode, each time you record it adds a take, and the takes are joined into one clip in order. You can jump to a take, remove any take you don't want, and the joined result is what you trim and download.
Why did the recorder ask for permission again, or show blank microphone names?
That happens when the page is opened directly from a file rather than over the web. On the live site, served securely, your browser remembers permission and shows each microphone's real name.
Does it work offline?
Yes. Once the page has loaded, recording, editing, and downloading all run in your browser with no server requests, so it keeps working without a connection.