croc

Free#75 of 105 in File Transfer Services

croc: A private, scriptable transfer tool for direct file sharing without accounts. Ranked #75 of 105 in File Transfer Services by our editors (3.0/10); pricing: Open source; best for open-source encrypted peer-to-peer transfers.

3.0/10★★☆☆☆Editor score

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At a glance

• Editor score
  3.0 / 10
• Pricing
  Open source
• Best for
  Open-source encrypted peer-to-peer transfers
• Paid from
  Free
• Facts checked
  22 Sep 2026

• Where it wins

  • End-to-end encryption with peer-to-peer and relay fallback
  • Resumes interrupted transfers and supports multiple files
  • Works across Windows, macOS, Linux, browsers, proxies, and Tor

• Where it doesn't

  • Command-line workflow may not suit users seeking a polished desktop app
  • Support is limited to documentation
  • No verified integrations, API, or business administration controls

Our verdict on croc

croc is an open-source command-line file-transfer tool for individuals, developers, and small teams that need to send files or folders between computers without accounts or port forwarding. It supports Windows, macOS, Linux, and browser-based sending or receiving, with cross-platform transfers and QR-code initiation. Its design centers on direct peer-to-peer connections, while relay fallback helps transfers proceed when a direct connection is unavailable.

Privacy and transfer continuity are the standout strengths. croc uses end-to-end encryption through password-authenticated key agreement, supports interrupted-transfer resumption, and can handle multiple files in one transfer. Proxy-compatible SOCKS5 transfers and Tor support suit users with specific network-routing needs. For teams that want more control over the transfer path, the project supports self-hosted relays. Encrypted temporary storage with expiring links adds a browser-friendly option when direct transfer is not practical.

The trade-off is a narrow, technical product scope. croc is built around a command-line workflow, and the project distinguishes its official CLI and browser client from community-made desktop GUI applications. Support is provided through documentation, and the product does not provide verified integrations, an API, or business controls for administration and collaboration. Choose croc if open-source software, encrypted peer-to-peer transfers, resumable delivery, and flexible network routing matter more than a managed workspace. Consider an alternative if your priority is a polished desktop experience, centralized administration, or a broad integration ecosystem.

Your product? Our editors can test croc in depth and publish a review, labelled as paid · from $149/mo →

croc pricing

croc fact sheet

Alternatives to croc

• Progress MOVEit TransferA compliance-focused managed file transfer service for regulated organizations.9.3
• AWS Transfer FamilyA broad, usage-priced managed transfer service for teams built around AWS.9.2
• IBM Sterling Secure File TransferA multiprotocol transfer platform for organizations coordinating secure file flows across partner networks.9.1

See all croc alternatives →

Featured on iTechGuides

croc is listed in our File Transfer Services directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated 7 Oct 2026 · How we research and update