toolkitta.
Local file processing

Change Video Volume

Make a quiet video louder, turn a loud one down, or bring a batch to the same level. A limiter keeps boosted peaks from crackling, compatible picture tracks are copied, and nothing is uploaded.

Your videos are never uploaded

Use this focused tool, then choose Edit in editor to carry originals and settings onto the timeline.

  • Loudness & peak limiting
  • No uploads · Preview before downloading
About Batch and Interactive Editor

How to use Interactive Editor

  1. Open Batch originals as a sequence, or choose Edit in editor to also carry your current settings.
  2. Select a clip to trim, split, slip, set speed, frame the picture or mix its sound. Add tracks, titles, images and music; Undo keeps changes reversible.
  3. Export MP4/WebM or explicitly save a project to keep originals and tracks editable. A recipe repeats the arrangement in either workflow mode.

Mode switching resumes independent sessions. Editor output uses one frame size up to a 1,920 px longest side / 30 fps, and re-encodes frames. Batch retains its existing fast operations and limits. Trim/Crop Batch still edit one video at a time.

Editor limits: 20 sources / 1 GB total, videos up to 500 MB and 15 minutes each, audio up to 50 MB / 15 minutes, 30-minute output. Saved projects include originals and their metadata. Recipes contain only settings and generic source slots; nothing is saved automatically.

How it works

How to make a video louder or quieter in Batch

  1. Add up to 20 MP4, MOV, MKV or WebM videos, 500 MB each. Each video's sound is measured, and its row shows its loudness and loudest peak.
  2. Choose Louder or quieter and a change from −6 dB to +10 dB (or Custom, ±20 dB), Even out to bring every video to about −16 LUFS, or Maximize to adjust measured peaks toward −1 dBFS, with boosts capped at +40 dB and silence unchanged. Play a preview to hear the new level.
  3. Click Change volume, play each result and download one video or a ZIP. Use Also to add music, change the speed, resize or compress in the same pass.

Lower a video’s soundtrack by 6 dB

Add the 12-second practice MP4. Choose Louder or quieter, select −6 dB, preview the change and click Change volume. Keep the optional Also steps off.

Expect the same 12-second, 640 × 360 moving picture with a quieter tone. The H.264 picture in this sample is copied; the changed soundtrack is encoded again. Compare original and result with your device volume unchanged.

To raise speech in your own recording, start with +3 dB and listen for limiting or amplified noise. Volume cannot repair clipped sound or separate a voice from wind.

Frequently asked questions

Useful details

6 answers
Can I arrange clips on a timeline?

Yes. Interactive Editor offers tracks, trim/split/slip, per-clip speed, framing, titles and audio mixing. Edit in editor carries Batch originals and settings. Each mode retains its own session.

How much louder is +6 dB?

Clearly louder. About +10 dB sounds roughly twice as loud, and −10 dB about half as loud. For a phone video where speech is hard to hear, start with +6 dB or Even out.

Will boosting the volume distort the sound?

A boost that pushes peaks past full scale would crackle. Here a limiter lowers the level just around those peaks so they stay under −1 dB, and each row says how much it will hold back. A very large boost on a clip that is already loud can still sound squashed; choose a smaller change or Maximize.

What is the difference between Even out and Maximize?

Even out brings measured loudness toward −16 LUFS, subject to gain and peak limits. Maximize adjusts measured peaks toward −1 dBFS, can lower loud audio, caps boosts at +40 dB and leaves silence unchanged. A single loud spike can limit how much the rest gets louder.

Does the picture lose quality?

A compatible video stream is copied into MP4 without re-encoding. An incompatible codec or an added frame-changing step such as Crop, Resize, Speed or Compress re-encodes the picture and can change quality.

Is my video uploaded?

No. Measuring, the volume change and saving all happen in your browser on this device, and there is no watermark.

More help

Guides, common conversions and useful next steps.

Edit the video

Arrange clips, music and titles together on a local timeline.

Continue with your result

Use the action beside a finished result to send it directly, or open another tool: