Revived Protocol
The Modern Firefox Send Alternative for 2026
When Mozilla shut down Firefox Send in 2020, millions of privacy-conscious users lost their favorite client-encrypted file transfer tool. LimeShare was architected on the same core principle: full client-side AES-GCM encryption with keys held strictly in the URL fragment.
Send up to 5 GB free right now
Up to 500 files or folders · Client-side AES-256-GCM encryption · Need more? Send up to 1 TB with Exceed.
Start Free TransferSample Encrypted Package3.4 GB / 5.0 GB Free
project/master_cut_4k.mov1.9 GB
project/raw_selects.zip1.1 GB
project/print_deck.pdf390 MB
project/notes_nda.txt4 KB
✓ Zero-Knowledge Sealedlimeshare.org/d/…#1.k…
Key advantages
The spiritual successor to Firefox SendZero accounts, browser-based cryptography, self-destructing links, and open-source protocol.
Upgraded for 2026 scale3 GB per file (vs 1 GB in Firefox Send), parallel multi-part encrypted streams, and instant resume.
Client-side ZIP64 and streaming sinksStream multi-gigabyte downloads directly to disk without memory crashes.
Feature comparison
| Feature | Traditional methods | LimeShare |
|---|---|---|
| Current status | Defunct (Discontinued 2020) | Active & High-Speed (2026) |
| Free size limit | 1 GB (1 file) | 3 GB per file (up to 3 files) |
| Encryption protocol | WebCrypto AES-GCM | LSC1 STREAM (AES-256-GCM + HKDF) |
| P2P transfer | No | Yes (LimeDrop) |
Step-by-step guide
- Open LimeShare: No installation required — works in any modern browser.
- Drop your files: Files are encrypted in 4 MB frames before sending.
- Share link with hash key: The decryption key stays in the URL fragment (#) and never touches our servers.
Frequently asked questions
Why was Firefox Send shut down?
Mozilla discontinued Firefox Send due to abuse by malware actors and organizational refocusing. LimeShare incorporates invisible Turnstile bot protection, daily IP budget ceilings, and strict abuse intake pipelines to ensure sustainable operation.