WebM FORMAT HUB

WebM Converter

An open media container designed for efficient browser and web delivery, commonly paired with VP9 or AV1 video.

Best forModern web playback and browser-focused delivery.Keep in mindCompatibility outside browsers can vary more than with MP4.

Start WebM Conversion

Converter readyUp to 400 MB per request • 250 MB per file

250 MB per file400 MB per request45 min max video~30 min auto-delete

Drop WEBM files here or click to browse from your device No files selected MP4, MOV, MKV, AVI, WebM, MP3, WAV, FLAC, M4A, AAC, OGG, OPUS + more

Popular:

Convert to Recommended MP4 is recommended for broad video compatibility.

Output quality

Highlarger file Balancedrecommended Smallermore compression

Smart output: MP4Best overall compatibility for video playback and sharing.

Size depends on source

Advanced settingsFine-tune the output

Maximum resolutionNever intentionally upscales; server limit: 1080p. Audio bitrateUsed by compressed audio outputs and video audio tracks. Sample rate48 kHz is common for video production. Output filename

.mp4

Available for single-file conversion. Trim startOptional HH:MM:SS or seconds. Trim endLeave blank to convert to the end. Remove audioCreate silent video output.

✓ Format-aware settings✓ Live queue progress✓ Files expire after ~30 min

WebM CONVERSIONS

Useful WebM Conversion Options

Choose a specific workflow below. Each page opens the converter with the relevant output already selected and includes format-specific guidance.

MP4 → WEBMConvert MP4 into WebM for browser-focused playback and efficient modern web delivery. MOV → WEBMConvert MOV footage into WebM for browser-oriented publishing and web delivery. MKV → WEBMConvert MKV media into WebM for browser-friendly playback and modern web workflows. AVI → WEBMConvert legacy AVI footage into WebM for modern browser-based playback. WEBM → MP4Convert WebM into MP4 for broader hardware, editing and software compatibility. WEBM → GIFConvert a short WebM animation or clip into GIF for services that do not accept WebM. WEBM → MP3Extract audio from a WebM file and save it as a widely compatible MP3. WEBM → MOVConvert WebM video to MOV for playback, editing, sharing or compatibility with another media workflow. WEBM → MKVConvert WebM video to MKV for playback, editing, sharing or compatibility with another media workflow. WEBM → AVIConvert WebM video to AVI for playback, editing, sharing or compatibility with another media workflow. M4V → WEBMConvert M4V video to WebM for playback, editing, sharing or compatibility with another media workflow. FLV → WEBMConvert FLV video to WebM for playback, editing, sharing or compatibility with another media workflow. WMV → WEBMConvert WMV video to WebM for playback, editing, sharing or compatibility with another media workflow. TS → WEBMConvert TS video to WebM for playback, editing, sharing or compatibility with another media workflow.

ABOUT WebM

When WebM Makes Sense

Modern web playback and browser-focused delivery.

An open media container designed for efficient browser and web delivery, commonly paired with VP9 or AV1 video.

CONVERSION NOTE

What Conversion Can—and Can’t—Do

Compatibility outside browsers can vary more than with MP4.

Conversion can improve compatibility or change file size, but it cannot manufacture detail missing from the source. Keep important originals when quality matters.

EXPLORE FORMATS

Related Format Hubs

MP4 MOV MKV AVI MP3 WAV FLAC M4A AAC