WebM to MP4 Converter

world4tech

About this app

WebM to MP4 Video Converter helps you convert videos directly on your device without requiring an internet connection.

Import one or multiple videos, choose MP4, MKV, or M4A as the output format, follow conversion progress, preview your files, and save the finished output locally.

🎬 WebM to MP4 Video Converter

Convert WebM videos into MP4 directly on your device.

The app is designed for users who need a simple way to convert WebM files into a more convenient output format without uploading videos to an online conversion service.

📱 Offline Video Conversion

Conversions are processed directly on your Android device.

No internet connection is required for video conversion, making the app useful when you want a straightforward offline WebM converter.

📂 Import Multiple Videos

Choose multiple videos at once using the Android system file picker.

Selected videos are displayed with useful information including:

• Video thumbnail
• File size
• Video duration

This makes it easier to review your files before starting a conversion.

🔄 Convert to MP4, MKV or M4A

Choose the output format that fits your needs.

Supported output options:

• MP4
• MKV
• M4A

Use MP4 or MKV for video output, or choose M4A when you only need the audio.

⚡ Batch Video Conversion

Import multiple videos and process them through a conversion queue.

You can follow each file as it moves through the conversion process instead of converting every video manually.

📊 Conversion Progress & Controls

Stay informed while your files are being processed.

The conversion queue includes:

• Conversion progress
• Cancel control
• Retry option

This gives you more control over each conversion.

▶️ Preview Videos In-App

Play videos directly inside the app.

You can preview selected source videos before conversion and play converted outputs after processing is complete.

This helps you quickly check the file before saving or sharing it.

💾 Save Converted Files Locally

Save completed outputs to your device after conversion.

Your finished exports remain available locally so you can access them when needed.

🕘 Export History

The app keeps a local history of completed exports for easier access.

From history you can:

• Play saved outputs
• Share exported files
• Remove items from history

This gives you a simple way to revisit previously converted files.

⚙️ Remembers Your Preferences

The app remembers your last selected:
• Output format

So you can return to the app without setting the same options again every time.

✅ Main Features

• WebM to MP4 conversion
• Offline video conversion
• MP4 output
• MKV output
• M4A audio output
• Multiple video import
• Batch conversion queue
• Thumbnail previews
• File size and duration display
• In-app video playback
• Conversion progress
• Cancel conversion
• Retry conversion
• Save outputs locally
• Export history
• Play saved outputs
• Share converted files
• Remove history items
• Remembered output format
• Remembered quality choice

🔄 How to Convert WebM to MP4

Open WebM to MP4 Video Converter.
Import one or multiple videos.
Choose MP4 as the output format.
Start the conversion.
Follow the conversion progress.
Preview the converted output.
Save the finished video locally.

You can also choose MKV for video output or M4A when you want audio-only output.

Whether you need to convert WebM to MP4, process multiple videos, export audio as M4A, preview converted files, or manage previous exports, WebM to MP4 Video Converter brings the essential tools together in one simple app.

Convert WebM to MP4 offline, directly on your device.

What’s new

First release of WebM to Mp4 Converter