Optical File Transfer
Icon Optical File Transfer

Optical File Transfer

by Paweł

Copy small files to your phone through camera - as a stream of QR images.

App NameOptical File Transfer
DeveloperPaweł
CategoryTools
Download Size5 MB
Latest Version0.0.15
Average Rating0.00
Rating Count0
Google PlayDownload
AppBrainDownload Optical File Transfer Android app
Screenshot Optical File Transfer
Screenshot Optical File Transfer
Screenshot Optical File Transfer
Send small files to your phone through camera - as a stream of QR images.

Features :

• Requires no WiFi, no Bluetooth/NFC, no irDA and no USB cable to transfer files
• Both wireless and offline at the same time
• Minimal setup - when in download mode, just point the camera on the stream and wait
• Generates little radio frequency noise - so can be safely used in the airplane mode on the plane (might be also useful in the military)
• Can process requests to send file from other apps in the system (like your favourite file manager app)
• Can be used to broadcast file full-screen on TV in the loop - e.x. to allow people walking by to quickly grab some small pdf guide on their phones.

Notes :

• To receive file from desktop PC - see a web version (Chrome and Firefox - IE11 not supported) : http://wrobel.wroclaw.pl/opticalfiletransfer/webuploaderjs.php
Also, windows native uploader at http://wrobel.wroclaw.pl/opticalfiletransfer/en/win/index.php or Linux uploader at http://wrobel.wroclaw.pl/opticalfiletransfer/en/lin/index.php - they are compatible with this app.

• Sending larger files is very time consuming - so this app does not intend to replace USB/WiFi/Bluetooth/NFC/IrDA way of file transmission at all.
It rathers allows to quickly grab some small pdf/text/image from the PC/phone to phone, when you do not feel like searching for
USB cable/setup Bluetooth/WiFi just for that one small file.

• It also does not guarantee that transmission will ever succeed on every phone on the default settings. How fast phone can handle capture of the stream depends on the camera/general phone performance/stream brightness/camera ability to focus.

• Default settings are likely not optimal for every phone.

• If you have problems succeeding to transfer anything on default settings, experiment with the settings - slow down with FPS/allow more errors/etc.

• If you want to speed up a little bit, you can also tweak settings a little - towards faster ones - and find what is the limit for your phone/camera.

• Transmission settings affects only QR stream producer in upload mode - receiver in download mode only fits to what it sees.

• Free version supports files up to 5MB in size.

Recent changes:
Fix rare crash on some phones, when the autofocus is being canceled.

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