IDrive From $0.25/mo · Free plan 9.5 Visit Tarsnap
tarsnap.com
Spec sheet
- Product
- Tarsnap is a secure, efficient command-line online backup service for Linux, BSD, macOS, and other UNIX-like operating systems.Read 11 Oct 2026 · tarsnap.com
- Supported platforms
- linux,macos,windowsRead 20 Sep 2026 · tarsnap.com
- Paid from
- 0.25Read 20 Sep 2026 · tarsnap.com
- Integrations
- Tarsnap uses Amazon S3 for archived data and Amazon EC2 for its server, and uses Stripe and PayPal for payment processing.Read 11 Oct 2026 · tarsnap.com
- Support
- The site lists documentation, an EFnet #tarsnap IRC channel, mailing lists, and contacting the author as support options.Read 11 Oct 2026 · tarsnap.com
- Founded
- Work on Tarsnap began in September 2006, according to the company’s about page.Read 11 Oct 2026 · tarsnap.com
- Account limit
- If the account balance stays below zero for more than a week, the account is permanently removed.Read 11 Oct 2026 · tarsnap.com
- Backup scope
- fileRead 20 Sep 2026 · tarsnap.com
- Company history
- The site says Tarsnap Backup Inc. was incorporated in British Columbia, Canada, in September 2011.Read 11 Oct 2026 · tarsnap.com
- Computer backup
- YesRead 20 Sep 2026 · tarsnap.com
- Deduplication
- The client removes duplicate variable-length data blocks before uploading archives, reducing storage and bandwidth use.Read 11 Oct 2026 · tarsnap.com
- Encryption
- Tarsnap uses client key files containing separate authentication and encryption keys, and says the service cannot disclose or tamper with archive data even if compromised.Read 11 Oct 2026 · tarsnap.com
- Key protection
- Key files can be passphrase-protected using the scrypt key derivation function, and restricted key files can limit permitted actions.Read 11 Oct 2026 · tarsnap.com
- Payments
- Users must deposit $5 or more before using Tarsnap and can add money whenever they want.Read 11 Oct 2026 · tarsnap.com
- Platform support
- The download page provides installation paths for Linux distributions, FreeBSD, NetBSD, OpenBSD, macOS, and Windows Subsystem for Linux.Read 11 Oct 2026 · tarsnap.com
- Restore modes
- fileRead 20 Sep 2026 · tarsnap.com
- Snapshots
- Each archive acts independently, and the site says there are no arbitrary limits on archive count, creation frequency, or retention duration.Read 11 Oct 2026 · tarsnap.com
- Source code
- The client source code is available for review, but Tarsnap states that it is not distributed under an open source license.Read 11 Oct 2026 · tarsnap.com
Plans and prices
Storage $0.25 a month $0.25 / GB-month Prepaid usage-based storage · Charged on encoded data after deduplication, compression, and encryption Read 20 Sep 2026 · tarsnap.com
Bandwidth $0.25 a month $0.25 / GB Prepaid usage-based bandwidth · Charged on encoded data transmitted Read 20 Sep 2026 · tarsnap.com
Pay-as-you-go bandwidth $2,500.25, paid once Prepaid; usage based Encoded data transmitted after deduplication, compression, and encryption · no fixed or minimum monthly fees Read 11 Oct 2026 · tarsnap.com
Pay-as-you-go storage $2,500.25 a month Prepaid; usage based Encoded data stored after deduplication, compression, and encryption · no fixed or minimum monthly fees Read 11 Oct 2026 · tarsnap.com
Where Specifiction places it
- Backup software#69 of 1517.9
- Cloud storage#51 of 667.7
- Cloud Storage Services#51 of 647.6
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