# WEBM Converter, WEBM to MP4 — Convert WEBM files

> Free, fast, and unlimited WEBM file converter to MP4 and other formats. (iPhone/iPad app by Alberto Gonzalez.)

- Source: https://appshunter.io/ios/app/webm-converter-webm-to-mp4/id1567064204 (this page in markdown: same URL + `.md`)
- Developer: [Alberto Gonzalez](https://appshunter.io/developer/1566774376)
- Category: Utilities, Photo & Video
- Price: Free
- Rating: 2.14/5 from 22 App Store ratings · 16 written reviews indexed
- Age rating: 4+
- Requires: iOS 14.0 · 73 MB
- Languages: English
- Released: 2021-05-12
- Data updated: 2026-08-29
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/webm-converter-webm-to-mp4/id1567064204/reviews.md

## What is WEBM Converter, WEBM to MP4?

Need to convert WebM to MP4, GIF or AVI? With WEBM Converter you get unlimited, lightning fast conversions on your iPhone or iPad with no fees and no sign ups for flawless videos every time.

Make WebM videos viewable everywhere. WEBM Converter handles any WebM or turns dozens of formats back into WebM in seconds on your device free of charge.

• Wide format support – Convert WebM to MP4, GIF, MOV, MKV, VOB, FLV, WMV, AVI, MPEG and OGV.
• Unlimited & free – No file-size caps, quotas, subscriptions or paywalls.
• Fast & precise – Local engine optimizes each pixel and audio sample so even large videos finish in seconds.
• Custom output – Choose video size, bit rate, frame rate and aspect ratio before exporting.
• Private & secure – Files never leave your device; no email or registration required.

Download WEBM Converter today to unlock every video you own, convert, share and enjoy it anywhere!

## Key features

- Convert WEBM to MP4, GIF, AVI, MOV, MKV, VOB, FLV, WMV, MPEG, OGV
- Unlimited conversions with no file-size caps
- Fast and precise local conversion engine
- Customizable output settings (size, bit rate, frame rate)
- Private and secure, files stay on device
- No sign-up or registration required

## Recent user reviews (10 of 16)

All indexed reviews: https://appshunter.io/ios/app/webm-converter-webm-to-mp4/id1567064204/reviews.md

### 1/5 — Нерабочее приложение

*2025-05-23*

Не работает. Вообще ничего не делает

### 1/5 — The app is not working

*2024-09-28, version 1.5.13*

The app is not working because every time I try a different files it says <<something went wrong >>.

### 1/5 — Never works

*2023-11-12*

Always says servers broken. Just an ad machine. Don’t download

### 1/5 — Fake app

*2023-07-11*

You open the ad riddled App and the buttons don’t work.

### 1/5 — Useless

*2023-04-29*

after getting though so many ads ( I lost count) I was informed that I couldn’t do files over 50 MB.  Deleting this

### 1/5 — Useless

*2023-03-04*

Literally the most ad ridden app I have ever seen and it has a 50Mb file size limit.

Basically useless.

### 1/5 — the worst app ever

*2023-01-18*

what a …

### 1/5 — Это че

*2022-02-18, version 1.0*

Вместо приложения белый фон (iPhone 11)

### 1/5 — Behaved like a hacking app DON’T DOWNLOAD

*2022-02-13, version 1.0*

I gave it a simple WEBM file to convert to MP4 but it worked on it for over a minute.  It doesn’t take that long for such a convert - even my 12 year old Mac only takes seconds and my iOS device was the current iPad PRO.

### 1/5 — Failure

*2022-02-12*

It doesn’t do anything

## Frequently asked questions about WEBM Converter, WEBM to MP4

### What formats can WEBM Converter convert to?

WEBM Converter can convert WEBM files to MP4, GIF, AVI, MOV, MKV, VOB, FLV, WMV, MPEG, and OGV. This wide support ensures your videos are compatible with most devices and platforms.

### Is WEBM Converter free to use?

Yes, WEBM Converter is free to use with unlimited conversions and no file-size caps, subscriptions, or paywalls. You can convert as many files as you need without any fees.

### How fast are the conversions with WEBM Converter?

The app features a fast and precise local engine that optimizes each pixel and audio sample. Even large videos can be converted in seconds directly on your device.

### Can I customize the output video settings?

Yes, WEBM Converter allows custom output settings. You can choose the video size, bit rate, frame rate, and aspect ratio before exporting your converted files.

### Is my data safe when using WEBM Converter?

WEBM Converter is private and secure, as files never leave your device during the conversion process. No email or registration is required, ensuring your privacy.

### What devices is WEBM Converter available on?

WEBM Converter is available for iPhone and iPad. It is designed to work seamlessly on these iOS devices.

### How often is WEBM Converter updated?

The latest version, 1.5.14, was last updated on July 2, 2025. Updates typically include performance improvements and bug fixes to ensure a reliable user experience.

### What is the user sentiment for WEBM Converter?

The app has a rating of 2.1 stars from 22 ratings, indicating that user satisfaction is currently low. Users may be experiencing issues or finding the app does not meet their expectations.

## Version history (last 3 releases)

### 1.5.14 — 2025-07-02

• Faster, more reliable conversion engine
• Fixed minor bugs affecting certain outputs
• Reduced memory usage during long sessions
• Simplified UI - WEBM Converter streamlines converting WebM to MP4, GIF and more

### 1.5.13 — 2022-10-12

Fixed bugs that prevent file conversion
Additional file conversion improvements

### 1.0 — 2021-05-12

No release notes.

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## More apps by Alberto Gonzalez

- [XML Converter, XML to PDF](https://appshunter.io/ios/app/xml-converter-xml-to-pdf/id1566774374)
- [MP3 Converter, MP3 to WAV](https://appshunter.io/ios/app/mp3-converter-mp3-to-wav/id1566862333)
- [CSV Converter, CSV to PDF](https://appshunter.io/ios/app/csv-converter-csv-to-pdf/id1566863167)
- [AVI Converter, AVI to MP4](https://appshunter.io/ios/app/avi-converter-avi-to-mp4/id1566863490)
- [AZW3 Converter, AZW3 to PDF](https://appshunter.io/ios/app/azw3-converter-azw3-to-pdf/id1566863631)
- [EPUB Converter, EPUB to PDF](https://appshunter.io/ios/app/epub-converter-epub-to-pdf/id1566863731)

All apps by Alberto Gonzalez: https://appshunter.io/developer/1566774376

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-29.*