oConvert: MP4 to MP3 Converter
by Shion Washida
· Utilities
· Free
On the App Store since March 2026
· Data updated
oConvert: MP4 to MP3 Converter is made and published by Shion Washida. AppBrain is an independent app data site and isn't affiliated with Shion Washida. The app name, icon, screenshots and description belong to Shion Washida and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- November 2, 2026
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Releases
Updates seen on the App Store- Version
- 1.8.0
- Launched
- March 2026
No changelog data
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Technology
Found in the app by AppBrain- Price
- Free
- App size
- 69.2 MB
- Content rating
- Everyone
Technologies used by oConvert: MP4 to MP3 Converter
About the app and developer
About oConvert: MP4 to MP3 Converter
oConvert: MP4 to MP3 Converter is an utilities app developed by Shion Washida.
User Ratings
The app has no ratings yet.
App Information
oConvert: MP4 to MP3 Converter is freely available from the App Store. The app size is 69.21 MB. The latest version available is 1.8.0. The last update was on November 2, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since March 2026.
Developer information for Shion Washida
Address:
Store listing
By Shion Washida, from the App Store
Screenshots by Shion Washida, from the the App Store listing
Description by Shion Washida Written by the developer, not by AppBrain. Click to read.
oConvert — Video, photo & audio tools. Just pick what you want to do.
"What are we doing today, boss?"
A little ghost in a headset helps you convert.
Pick what you want to do, then pick your file. No complicated settings.
【 Your files never leave your device 】
Every conversion happens right on your iPhone.
・Private: Your videos and photos are never uploaded to a server.
・Fast: No waiting for uploads or downloads.
・Works without internet: Convert even with no signal.
【 What you can do 】
・Shrink: Make videos and photos small enough to send. Choose "Under 10 MB", "Under 25 MB", "Half size" or "Auto".
・Convert: MOV to MP4, HEIC to JPG. Not sure? The ghost picks a recommended format.
・Extract audio: Pull just the sound out of a video as MP3 and more.
・Make a GIF: Turn a video into a looping GIF.
・Trim: Keep only the part of a video you want.
・Save a frame: Save one moment of a video as a photo.
・Remove location: Strip the place, date and other details from a photo before you send it. You can check what was removed right away.
・Rotate: In 90° steps, or 1° at a time with your finger. Straighten tilted videos and photos.
・Change speed: 0.5x, 1.5x, 2x.
・Mute: Remove just the sound from a video.
・Batch convert: Convert several files at once.
Save results to Photos, or share them straight to messages and social apps.
【 Supported formats 】
・Video
MP4 / MOV / MKV / AVI / WebM
・Audio (can also be extracted from video)
MP3 / WAV / M4A / FLAC / AAC / OGG
・Images
JPG(JPEG) / PNG / WebP / HEIC(HEIF) / GIF / BMP / DNG(ProRAW)
【 Free 】
・Every conversion works with no sign-up.
・Ads are shown.
・Batch conversion is up to 3 files at a time.
・Watch one ad to use Family features once (once a day).
【 Family (monthly, yearly or one-time purchase) 】
・All ads are hidden.
・Batch conversion has no file limit.
・Fine-tune quality, resolution, FPS and more.
・With the one-time purchase, you're Family for life with a single payment.
Subscription details
・The length and price of each plan are shown on the in-app purchase screen (a free trial may be offered).
・Payment is charged to your Apple ID account once you confirm the purchase.
・The subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours prior to the end of the current period.
・You can manage or cancel your subscription anytime in Settings > Apple ID > Subscriptions on your iPhone.
・If you purchase while a free trial is still active, the unused portion of the trial is forfeited.
● Terms of Use
https://devshion.github.io/oconvert/terms.html
● Privacy Policy
https://devshion.github.io/oconvert/privacy.html
"What are we doing today, boss?"
A little ghost in a headset helps you convert.
Pick what you want to do, then pick your file. No complicated settings.
【 Your files never leave your device 】
Every conversion happens right on your iPhone.
・Private: Your videos and photos are never uploaded to a server.
・Fast: No waiting for uploads or downloads.
・Works without internet: Convert even with no signal.
【 What you can do 】
・Shrink: Make videos and photos small enough to send. Choose "Under 10 MB", "Under 25 MB", "Half size" or "Auto".
・Convert: MOV to MP4, HEIC to JPG. Not sure? The ghost picks a recommended format.
・Extract audio: Pull just the sound out of a video as MP3 and more.
・Make a GIF: Turn a video into a looping GIF.
・Trim: Keep only the part of a video you want.
・Save a frame: Save one moment of a video as a photo.
・Remove location: Strip the place, date and other details from a photo before you send it. You can check what was removed right away.
・Rotate: In 90° steps, or 1° at a time with your finger. Straighten tilted videos and photos.
・Change speed: 0.5x, 1.5x, 2x.
・Mute: Remove just the sound from a video.
・Batch convert: Convert several files at once.
Save results to Photos, or share them straight to messages and social apps.
【 Supported formats 】
・Video
MP4 / MOV / MKV / AVI / WebM
・Audio (can also be extracted from video)
MP3 / WAV / M4A / FLAC / AAC / OGG
・Images
JPG(JPEG) / PNG / WebP / HEIC(HEIF) / GIF / BMP / DNG(ProRAW)
【 Free 】
・Every conversion works with no sign-up.
・Ads are shown.
・Batch conversion is up to 3 files at a time.
・Watch one ad to use Family features once (once a day).
【 Family (monthly, yearly or one-time purchase) 】
・All ads are hidden.
・Batch conversion has no file limit.
・Fine-tune quality, resolution, FPS and more.
・With the one-time purchase, you're Family for life with a single payment.
Subscription details
・The length and price of each plan are shown on the in-app purchase screen (a free trial may be offered).
・Payment is charged to your Apple ID account once you confirm the purchase.
・The subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours prior to the end of the current period.
・You can manage or cancel your subscription anytime in Settings > Apple ID > Subscriptions on your iPhone.
・If you purchase while a free trial is still active, the unused portion of the trial is forfeited.
● Terms of Use
https://devshion.github.io/oconvert/terms.html
● Privacy Policy
https://devshion.github.io/oconvert/privacy.html