    <SEC-DOCUMENT>0001462056-23-000125-index.html : 20230405
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    <ACCEPTANCE-DATETIME>20230405164913
    ACCESSION NUMBER:		0001462056-23-000125
    CONFORMED SUBMISSION TYPE:	S-8
    PUBLIC DOCUMENT COUNT:		6
    FILED AS OF DATE:		20230405
    DATE AS OF CHANGE:		20230405
    EFFECTIVENESS DATE:		20230405

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Backblaze, Inc.
    		CENTRAL INDEX KEY:			0001462056
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
    		IRS NUMBER:				208893125
    		STATE OF INCORPORATION:			DE

    	FILING VALUES:
    		FORM TYPE:		S-8
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-271148
    		FILM NUMBER:		23803214

    	BUSINESS ADDRESS:
    		STREET 1:		500 BEN FRANKLIN CT
    		CITY:			SAN MATEO
    		STATE:			CA
    		ZIP:			94401
    		BUSINESS PHONE:		650.352.3738

    	MAIL ADDRESS:
    		STREET 1:		500 BEN FRANKLIN CT
    		CITY:			SAN MATEO
    		STATE:			CA
    		ZIP:			94401
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>S-8
    <SEQUENCE>1
    <FILENAME>blze-sx820230331.htm
    <DESCRIPTION>S-8
    <TEXT>
    Document 1 - file: blze-sx820230331.htm

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    <DOCUMENT>
    <TYPE>EX-FILING FEES
    <SEQUENCE>2
    <FILENAME>ex1071blzeforms-8.htm
    <DESCRIPTION>EX-FILING FEES
    <TEXT>
    Document 2 - file: ex1071blzeforms-8.htm

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    <DOCUMENT>
    <TYPE>EX-5.1
    <SEQUENCE>3
    <FILENAME>ex51blzeforms-8.htm
    <DESCRIPTION>EX-5.1
    <TEXT>
    Document 3 - file: ex51blzeforms-8.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-23.1
    <SEQUENCE>4
    <FILENAME>ex231blzeforms-8.htm
    <DESCRIPTION>EX-23.1
    <TEXT>
    Document 4 - file: ex231blzeforms-8.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>image_0a.jpg
    <TEXT>
    Document 5 - file: image_0a.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>image_1a.jpg
    <TEXT>
    Document 6 - file: image_1a.jpg

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