How to make a GIF from a video

Simply upload the source video, set the frame rate and dimensions, and click Convert. The built‑in GIF maker creates the animation instantly in your browser.

How to compress a video

Select a video file, choose a compression preset or custom bitrate, and press Compress. The tool runs FFmpeg to reduce file size while preserving visual quality.

How to compress a video for email

Use the Email preset (≈10 MB) in the video compressor, which automatically adjusts resolution and bitrate to fit typical email attachment limits.

How to compress a video for Discord

Select the Discord preset (≈25 MB) to quickly shrink the video to a size that Discord accepts, keeping a balance of quality and size.

How to convert video to audio

Upload a video, choose the desired audio format (MP3, WAV, etc.), and click Extract Audio. The FFmpeg engine extracts the audio track locally in the browser.

How to convert a video to an audio file

Pick a video, select an output audio format, and press Convert. The app separates the audio stream and saves it as a downloadable file.

How to extract audio from video

Open the Audio Extraction tool, load your video, and click Extract Audio. The file is processed client‑side with FFmpeg and offered for download.

How to extract audio from video on iPhone

Visit the site on Safari, select your video from the iPhone’s library, and tap Extract Audio. The web app runs entirely in the browser, so no app store download is needed.

How does the silence remover work?

The silence remover analyzes the audio waveform of your video using FFmpeg in the browser. It detects silent segments below a configurable decibel threshold and automatically trims them, producing a seamless video without dead air.

Can I customize the silence detection threshold?

Yes. Use the Decibel (dB) slider in the Silence Remover panel to set the sensitivity (e.g., -60 dB to -10 dB) and the Minimum Silence Duration to fine‑tune detection.

How do I mute a video?

Open the Mute/Soundtrack tool, toggle the mute switch, and click Apply. The video is re‑encoded without its audio track using FFmpeg WASM.

How can I add a soundtrack to a video?

Upload your video, select an audio file, and press Add Soundtrack. The tool mixes the new audio with the video and outputs a combined file.

[NO UPLOAD · 100% PRIVATE]

A secure video compressor with no upload, ever.

Compress large video files without a server upload. Unsilence runs FFmpeg entirely in your browser tab, so nothing you process ever leaves your device — free, private, and instant.

Unsilence Media Studio

Select a video file to run browser-native WASM utilities

Click or drag & drop video file here

Supports MP4, MOV, WebM, AVI, MKV (100% Client-side)

00:00.0

Audio Extraction Settings

Extract audio track in high-quality formats

Output Audio Format

Audio Bitrate

Unsilence FFmpeg Console Log

[System] Unsilence WASM Engine ready.

[FAQ & GUIDES]

Video Compression FAQ

How do I compress video files for Discord or Email?+

Select the Discord (~25MB) or Email (~10MB) preset in Unsilence. The tool automatically adjusts CRF parameters and resolution to meet target size requirements.

Does compressing video reduce quality?+

Unsilence uses H.264 CRF encoding which optimizes compression efficiency to keep visual quality crisp while significantly shrinking file size.

Is this video compressor safe for private or confidential videos?+

Yes. Unsilence is a secure video compressor with no upload step — your file is processed entirely on your own device using FFmpeg WebAssembly, so confidential or personal footage never touches a server.

A secure video compressor with no upload, ever.

Unsilence Media Studio

Silence Removal Settings

Audio Extraction Settings

Video Size Compressor

Video to Animated GIF

Mute Video or Replace Audio

Lossless Instant Video Trimmer

Transcribe Audio (Whisper AI)

Video Compression FAQ