MASTIKFree browser tools for video & audio
NewFree browser tools

Free Online Video & Audio Tools

Convert, compress, trim and extract audio — right in your browser, nothing uploaded

Video converterCompressorVideo → GIFAudio extractorVideo trimmerMute video
  • No login required
  • Files never stored
  • Free forever
Runs in your browser, nothing uploadedFree and unlimitedNo signup, no watermark added

A free toolkit for your own video and audio files: convert formats, shrink file size, make GIFs, extract audio, mute or trim clips. Everything runs in your browser, so your files never leave your device — no app, no signup, no watermark added.

Explore the full toolkit

More tools

Explore the full toolkit

Extract

Hashtag Generator & Analyzer

Free hashtag generator and analyzer. Paste a caption or a few keywords and get relevant, platform-ready hashtags for Instagram, TikTok, YouTube and X — no login, no app.

Extract Audio from Video

Extract the audio from your own video and save it as MP3, M4A or WAV — free, right in your browser. Nothing is uploaded; your file never leaves your device.

Convert & Process

Video Converter

Convert video to MP4, MOV or MKV for free, right in your browser. Nothing is uploaded — your file never leaves your device. No app, no signup, no watermark added.

Video to GIF Converter

Convert any video to a high-quality GIF for free, right in your browser. Nothing is uploaded — your video never leaves your device. No app, no signup, no watermark added.

Video Compressor

Compress and shrink video file size for free, right in your browser. Nothing is uploaded — your video stays on your device. No app, no signup, no watermark added.

Mute Video (Remove Audio)

Remove the sound from your own video for free, right in your browser. Mute any clip without uploading it — your file never leaves your device. No app, no signup.

Trim Video (Cut Clip)

Trim and cut your own video to length for free, right in your browser. Grab just the part you need without uploading — your file never leaves your device. No app, no signup.

Tools

Why use Mastik?

Edit your media in seconds, privately

Mastik is a set of fast, free browser tools for the everyday jobs you do with your own videos and audio — converting, compressing, trimming and more. There is nothing to install and nothing to upload; the work happens on your device.

100% private

Your file is processed in your browser and never uploaded to a server, so nothing is stored and nothing leaves your device.

Free & unlimited

Use every tool as much as you like. There are no hidden fees, file caps or account requirements.

Convert & compress

Change a video's format (MP4, MOV, MKV) or shrink its file size for email and chat without losing much quality.

Extract, trim & mute

Pull the audio out as MP3, cut a clip down to the part you need, or remove a video's sound in a couple of clicks.

No apps, no extensions

Everything runs in the browser. You do not install any software, so your device stays clean and secure.

Works on any device

Use it on iPhone, Android, Windows, macOS, Linux or tablets. Wherever your browser works, these tools work too.

How it works

Three steps, no upload

Every tool works the same way: pick a file from your device, choose what you want to do, then download the result.

  1. Choose a tool

    Pick the tool you need — convert, compress, video to GIF, extract audio, mute or trim — from the tools above.

  2. Select your file

    Choose a video or audio file from your device. It is loaded straight into your browser and never uploaded anywhere.

  3. Download the result

    The tool processes your file locally, shows a preview, and lets you download the finished file in one click.

FAQ

Frequently asked questions

Answers to the most common questions about using these free video & audio tools.

Yes. Every tool is completely free and unlimited. There are no hidden charges, file limits or sign-ups required.