oConvert: MP4 to MP3 Converter
ShionDev Video Players & Editors In-app purchases Contains ads
Shrink, trim & convert videos, photos and audio — right on your phone.
- Downloads
- 3+
- on Google Play
- Price
- Free
- In-app purchases
- Updated
- Oct 30
- 2026 · v1.8.0
Screenshots
About oConvert: MP4 to MP3 Converter
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 phone.
・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 your gallery, 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 Google Play account once you confirm the purchase.
・Subscriptions renew automatically until you cancel.
・You can manage or cancel your subscription anytime in the Google Play Store app > Profile > Payments & subscriptions > Subscriptions.
● 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 phone.
・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 your gallery, 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 Google Play account once you confirm the purchase.
・Subscriptions renew automatically until you cancel.
・You can manage or cancel your subscription anytime in the Google Play Store app > Profile > Payments & subscriptions > Subscriptions.
● Terms of Use
https://devshion.github.io/oconvert/terms.html
● Privacy Policy
https://devshion.github.io/oconvert/privacy.html
What’s new
Version 1.8.0 · Updated October 30, 2026
• Compress videos and photos to a size that's easy to send • Convert formats, extract audio, and make GIFs • Trim, rotate, mute, change speed, and remove photo location data • Everything is converted on your device — nothing is uploaded