Video Volume Booster

Often followed by + Fade

Drag & Drop or Click to Select a Video

MP4, MOV, WebM, or MKV

Tip: paste a video file from clipboard (Ctrl/⌘+V).

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Settings are written to the URL as you change them. Nothing differs from the defaults yet.

Fix a video that plays too quietly. The whole soundtrack is raised by the boost you set, and a lookahead limiter stops the loudest moments from going past the ceiling, so speech gets louder without crackling on shouts, laughs, or music hits.

Boost and ceiling

Boost sets how much louder the soundtrack gets. Start at +6 dB, listen, and raise it until quiet speech is comfortable. Ceiling is the highest level any sample may reach; -1 dB leaves a little room for players and platforms that convert the audio again.

Release

Release sets how quickly the limiter lets go after a peak. Short releases keep the soundtrack loud but can make it pump on music; longer releases sound smoother at slightly lower loudness.

Noise before loudness

Boosting raises hiss, wind, and room tone along with speech. For noisy recordings, clean the sound first with remove background noise from video, then boost the result here.

Frequently Asked Questions

Why does the boosted video not distort?

A plain volume increase pushes loud moments past the maximum level, which clips them into harsh distortion. The limiter looks 5 ms ahead and turns down only the peaks that would cross the ceiling, so everything else gets the full boost and nothing clips.

How much louder can it get?

Up to 24 dB of boost. +6 dB doubles the signal level; a sound needs roughly +10 dB to seem twice as loud. Past about +12 dB on already-loud footage, the limiter works hard enough to flatten the dynamics audibly.

Why is the preview louder than the original?

Level matching is off in this tool, so you hear the real difference. Turn it on in the transport to compare the two at the same loudness.

Will quiet background noise get louder too?

Yes. A booster lifts everything below the ceiling, including room noise and hiss. Remove the noise first with the background noise tool, then boost.

What happens to the picture?

Nothing. The video stream is copied packet for packet, so the picture keeps its exact quality and the export finishes in a fraction of the time a re-encode takes. Only the soundtrack is processed and re-encoded, and a note under the export button says which audio codec was written.

Explore Our Tools

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Audio Limiter

Raise the level of an audio file against a ceiling that peaks cannot cross, using 5 ms of lookahead, an input gain, and an adjustable release.

Audio Volume Changer

Raise or lower the level of an audio file by a set number of decibels, compare the result against the original while it plays, and export it in the format the source arrived in.

Change Pitch of Video

Raise or lower the pitch of a video's soundtrack by up to 12 semitones without changing its speed or length, and keep the picture untouched. Presets for deeper and higher voices and whole octaves. Exports MP4, WebM, MOV, or MKV.

Remove Background Noise from Video

Reduce steady background noise in a video's soundtrack: hiss, fan and air-conditioning noise, room tone, and optional electrical hum at 50 or 60 Hz. The picture is copied untouched. Exports MP4, WebM, MOV, or MKV.

Video Color Balance

Shift the red, green, and blue channels of a video up or down to correct a color cast or warm, cool, or tint the picture. Exports MP4 or WebM with the original soundtrack.

Remove Audio from Video

Remove the soundtrack from a video and keep the picture exactly as it is: the video stream is copied without re-encoding, into the same format. Works with MP4, MOV, WebM, and MKV.

Tilt-Shift Video

Make video look like a miniature model: blur above and below a sharp focus band, and boost color and contrast. Set focus shape, position, size, blur strength, and miniature pop. Exports MP4 or WebM with the original soundtrack.

VHS Video Effect

Make video look like a worn VHS tape: shifted color, a soft picture, scanlines, tracking errors, dropouts, and head-switching noise at the bottom of the frame, all moving from frame to frame. Exports MP4 or WebM with the soundtrack.

Video Vibrance

Boost the muted colors of a video more than the strong ones, with skin protection so faces do not turn orange. Exports MP4 or WebM with the original soundtrack.

Blur Video

Blur every frame of a video with a Gaussian blur, and mix the blurred frame back over the sharp one to soften rather than erase detail. The blur scales with the output size, so the preview matches the export. Exports MP4 or WebM with the original soundtrack.

CRT Video Effect

Make a video look like it is playing on a CRT television: barrel curvature, scanlines, a phosphor mask, color bleed, and glow, with fresh static on every frame. The soundtrack is copied into the MP4 or WebM export.

Dispersion Video Effect

Break the edges in every frame of a video into particles that drift left, right, up, or down, with a new particle layout on every frame. Set particle amount, travel distance, edge threshold, and direction. Exports MP4 or WebM with the original soundtrack.