Backblaze, Inc. is an American cloud storage and data backup company based in San Mateo, California. It was founded in 2007 by Gleb Budman and others. Its services are intended for both business and personal markets.

Backblaze was established in 2007 in San Mateo, California. In 2008, the company released online backup services to support PCs running Apple's macOS and Microsoft's Windows.

In October 2021, Backblaze filed to go public on the Nasdaq under the symbol BLZE. In November, the company launched its public IPO.

Backblaze and Catalogic, a data protection vendor, announced their partnership in March 2022.

Since 2013, Backblaze has reported quarterly reliability statistics for its data center hard drives, showing annual failure rates for each model.

On November 28, 2025, Backblaze announced a strategic integration with Shareio, a new platform enabling creators to monetize and protect their digital content.

Backblaze has six data centers; four in the United States, one in Canada and one in Europe.

As of April 2025, Backbaze has been reporting losses every quarter ever since going public in November 2021.