Original
Original file
Best quality
Large file transfer
Send large files free, with no signup.
Choose the file, share the QR code or link, and keep both browsers open. The bytes move during the live session instead of waiting in cloud storage.
Start the transferEither way you get a code. Whichever device has a camera scans it.
Choose a file.
Scan this.
Or open the link, or type the name.
—
Locked
Enter the code.
Smart Send
Recipient ready.
Checking whether the original file is the best fit.
Recipient capabilities are approximate and temporary.
Recommended
Optimized version
Better compatibility
Technical details
FCShare never changes your original file. Optimization only happens after you choose it.
Save this?
Transferring
Moving now.
What should the sender prioritize?
The sender still chooses what is sent.
0%
—Speed
ConnectingPath
EncryptedIn transit
Delivered.
No copy was kept anywhere.
Stopped.
Ready
Room—
Route—
Payload—
The short answer
A large-file transfer without an upload queue
FCShare is useful when an attachment limit or free-plan cap is the only thing stopping you. It does not impose a service-level file-size ceiling because it does not store the file first. The sender reads it in small chunks and sends those chunks over an encrypted WebRTC connection.
That design removes the upload-then-download cycle, but it changes the tradeoff: the sender and receiver must be online at the same time, both pages must stay open, and the transfer is only as reliable as the two devices and networks. For extremely large files, desktop browsers with direct disk writing are the safest choice.
How to do it
Three steps, in the browser.
- 1
Choose Send
Select one file or several files. Nothing is uploaded when you choose them.
- 2
Share the room
Let the other person scan the QR code, open the link, or type the short room name.
- 3
Keep both pages open
The receiver accepts a save location and the live browser-to-browser transfer begins.
Best for
- Multi-gigabyte archives
- RAW photo batches
- Project exports
- One-time live delivery
What stays intact
- Original filenames
- Original file bytes
- Original video quality
- Multiple-file selection
Know before sending
- No resumable transfer yet
- Both people must be online
- Free disk space still matters
- Older browsers may still use memory
What “no size limit” means here
FCShare sets no product-plan or server-upload cap. Browsers, RAM, storage, battery life, bandwidth, and connection stability still create practical limits. If the receiving browser supports direct file-system writing, the file can be written as it arrives; otherwise it may need to be assembled in memory before download.
Why it can feel faster
A cloud transfer normally sends the whole file to a storage server and then makes the recipient download it. A live peer transfer removes that waiting stage. It does not make either internet connection faster, and the slower upload/download path still determines throughput.
Questions people ask
Can I send a 10 GB, 50 GB, or 100 GB file?
There is no FCShare plan cap, but success depends on both browsers, available storage, and a stable connection. Test a smaller file first and prefer desktop-to-desktop for very large transfers.
Does the recipient need an account?
No. They only need the room link or code and a current browser.
Can the recipient download later?
No. This is a live transfer, not a stored download link. Both pages must remain open until it finishes.