POWER OF ATTORNEY

        Know all by these presents, that the undersigned hereby authorizes Julia
Hartz,and Samantha Harnett of Eventbrite, Inc., a Delaware corporation (the
"Company"), and An-Yen Hu of Goodwin Procter LLP, to execute for and on behalf
of the undersigned, in the undersigned's capacity as a director and/or officer
of the Company, Forms 3, 4 and 5, and any amendments thereto, and cause such
form(s) to be filed with the United States Securities and Exchange Commission
pursuant to Section 16(a) of the Securities Act of 1934, relating to the
undersigned's beneficial ownership of securities in the Company. The undersigned
hereby grants to such attorney-in-fact full power and authority to do and
perform any and every act and thing whatsoever requisite, necessary, or proper
to be done in the exercise of any of the rights and powers herein granted, as
fully to all intents and purposes as the undersigned might or could do if
personally present, with full power of substitution or revocation, hereby
ratifying and confirming all such attorney-in-fact, or such attorney-in-fact's
substitute or substitutes, shall lawfully do or cause to be done by virtue of
this power of attorney and the rights and powers herein granted. The undersigned
acknowledges that the foregoing attorney-in-fact, in serving in such capacity at
the request of the undersigned, is not assuming, nor is the Company assuming,
any of the undersigned's responsibilities to comply with Section 16 of the
Securities Exchange Act of 1934.

     This Power of Attorney shall remain in full force and effect until the
earliest of: (1) the undersigned is no longer required to file Forms 3, 4 and 5
with respect to the undersigned's holdings of, and transactions in, securities
issued by the Company; (2) this Power of Attorney is revoked by the undersigned
in a signed writing delivered to the foregoing attorney-in-fact; or (3) as to a
specific attorney-in-fact, the employment of such attorney-in-fact with the
Company is terminated.

     IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 22 day of August, 2018.

                                        /s/ Randy Befumo
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                                        Randy Befumo