File Size Converter is made and published by Phuc Pham. AppBrain is an independent app data site and isn't affiliated with Phuc Pham. The app name, icon, screenshots and description belong to Phuc Pham and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- August 19, 2026
- Size
- 5.21 MB
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Store listing
By Phuc Pham, from the App StoreDescription by Phuc Pham Written by the developer, not by AppBrain. Click to read.
Most converters give you a rough number and stop there. File Size Converter shows the exact byte count, switches between decimal (KB, 1000) and binary (KiB, 1024) in one tap, and explains why a "1 TB" drive shows less space once your computer counts it. No rounding surprises, no guessing.
WHAT YOU GET
- Instant two-way conversion across bit, byte, KB, MB, GB, TB and PB
- A one-tap switch between decimal (1000) and binary (1024) so you always use the right unit
- An all-units breakdown that shows the same size in every unit at once
- Transfer-time estimates for any file over 4G, 5G, Wi-Fi or fiber
- A storage planner that shows how many photos, songs and hours of video fit in a drive
- A plain-English reference that clears up bits vs bytes, Mbps vs MB/s, and the missing-space mystery
PERFECT FOR
- Anyone comparing drive or phone storage before they buy
- People downloading or uploading big files who want a real ETA
- Developers and IT folks who need exact byte math
- Students learning how data units actually work
WHY NOT JUST SEARCH IT ONLINE
A quick web search rounds the answer and ignores the binary-vs-decimal gap that makes your storage look smaller than the box promised. This app gives you the exact bytes, both unit systems side by side, and a transfer time you can plan around — offline, with no ads breaking your focus.
PRIVACY
Every calculation runs entirely on your device. No account, no ads, and nothing you type ever leaves your phone.
FULL ACCESS
The converter, all-units breakdown and reference guide are free. Full Access unlocks the transfer-time estimator, the storage planner and saved conversion history. Choose weekly or yearly billing, or pay once for lifetime access. Subscriptions renew automatically until cancelled; manage or cancel anytime in your App Store settings.
Type your first size and see it converted exactly, both ways, right now.
Terms of Use (EULA): https://web-levi.web.app/terms
Privacy Policy: https://web-levi.web.app/privacy-policy
Questions? Contact tphuc.work@gmail.com
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 5.21 MB
- Content rating
- Everyone
Technologies used by File Size Converter
Releases
Updates seen on the App Store- Version
- 1.1.2
- Launched
- May 2026
No changelog data
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About the app and developer
About File Size Converter
File Size Converter is an utilities app developed by Phuc Pham.
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The app has no ratings yet.
App Information
File Size Converter is freely available from the App Store. The app size is 5.21 MB. The latest version available is 1.1.2. The last update was on August 19, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since May 2026.
Developer information for Phuc Pham
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