    <SEC-DOCUMENT>0001628280-25-038582-index.html : 20250807
    <SEC-HEADER>0001628280-25-038582.hdr.sgml : 20250807
    <ACCEPTANCE-DATETIME>20250807070929
    ACCESSION NUMBER:		0001628280-25-038582
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		43
    CONFORMED PERIOD OF REPORT:	20250807
    ITEM INFORMATION:		Entry into a Material Definitive Agreement
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Other Events
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20250807
    DATE AS OF CHANGE:		20250807

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Backblaze, Inc.
    		CENTRAL INDEX KEY:			0001462056
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
    		ORGANIZATION NAME:           	06 Technology
    		EIN:				208893125
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-41026
    		FILM NUMBER:		251191554

    	BUSINESS ADDRESS:
    		STREET 1:		201 BALDWIN AVENUE
    		CITY:			SAN MATEO
    		STATE:			CA
    		ZIP:			94401
    		BUSINESS PHONE:		650.352.3738

    	MAIL ADDRESS:
    		STREET 1:		201 BALDWIN AVENUE
    		CITY:			SAN MATEO
    		STATE:			CA
    		ZIP:			94401
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>blze-20250807.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: blze-20250807.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.1
    <SEQUENCE>2
    <FILENAME>ex101-debtamendment0725.htm
    <DESCRIPTION>EX-10.1
    <TEXT>
    Document 2 - file: ex101-debtamendment0725.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>3
    <FILENAME>ex991blze20250630earningsp.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 3 - file: ex991blze20250630earningsp.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>4
    <FILENAME>q22025results.htm
    <DESCRIPTION>EX-99.2
    <TEXT>
    Document 4 - file: q22025results.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>5
    <FILENAME>blze-20250807.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 5 - file: blze-20250807.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>6
    <FILENAME>blze-20250807_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
    <TEXT>
    Document 6 - file: blze-20250807_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>7
    <FILENAME>blze-20250807_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
    <TEXT>
    Document 7 - file: blze-20250807_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>q22025results001.jpg
    <TEXT>
    Document 8 - file: q22025results001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>q22025results002.jpg
    <TEXT>
    Document 9 - file: q22025results002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>q22025results003.jpg
    <TEXT>
    Document 10 - file: q22025results003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>q22025results004.jpg
    <TEXT>
    Document 11 - file: q22025results004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>q22025results005.jpg
    <TEXT>
    Document 12 - file: q22025results005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>q22025results006.jpg
    <TEXT>
    Document 13 - file: q22025results006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>q22025results007.jpg
    <TEXT>
    Document 14 - file: q22025results007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>q22025results008.jpg
    <TEXT>
    Document 15 - file: q22025results008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>q22025results009.jpg
    <TEXT>
    Document 16 - file: q22025results009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>q22025results010.jpg
    <TEXT>
    Document 17 - file: q22025results010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>q22025results011.jpg
    <TEXT>
    Document 18 - file: q22025results011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>q22025results012.jpg
    <TEXT>
    Document 19 - file: q22025results012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>q22025results013.jpg
    <TEXT>
    Document 20 - file: q22025results013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>q22025results014.jpg
    <TEXT>
    Document 21 - file: q22025results014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>q22025results015.jpg
    <TEXT>
    Document 22 - file: q22025results015.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>q22025results016.jpg
    <TEXT>
    Document 23 - file: q22025results016.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>q22025results017.jpg
    <TEXT>
    Document 24 - file: q22025results017.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>q22025results018.jpg
    <TEXT>
    Document 25 - file: q22025results018.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>q22025results019.jpg
    <TEXT>
    Document 26 - file: q22025results019.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>q22025results020.jpg
    <TEXT>
    Document 27 - file: q22025results020.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>q22025results021.jpg
    <TEXT>
    Document 28 - file: q22025results021.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>q22025results022.jpg
    <TEXT>
    Document 29 - file: q22025results022.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>q22025results023.jpg
    <TEXT>
    Document 30 - file: q22025results023.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>q22025results024.jpg
    <TEXT>
    Document 31 - file: q22025results024.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>q22025results025.jpg
    <TEXT>
    Document 32 - file: q22025results025.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>33
    <FILENAME>q22025results026.jpg
    <TEXT>
    Document 33 - file: q22025results026.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>34
    <FILENAME>q22025results027.jpg
    <TEXT>
    Document 34 - file: q22025results027.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>35
    <FILENAME>q22025results028.jpg
    <TEXT>
    Document 35 - file: q22025results028.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>37
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 37 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>38
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 38 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>39
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 39 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>41
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 41 - file: FilingSummary.html

    Document 41 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>43
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 43 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>44
    <FILENAME>0001628280-25-038582-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 44 - file: 0001628280-25-038582-xbrl.zip

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>45
    <FILENAME>blze-20250807_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 45 - file: blze-20250807_htm.html

    Document 45 - RAW XML: blze-20250807_htm.xml

    </DOCUMENT>
    </SEC-DOCUMENT>