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Firefox is maintained by the Mozilla Corporation, a wholly-owned subsidiary of the Mozilla Foundation. While Firefox does produce revenue — chiefly through search partnerships — this earned income is largely reinvested back into the Corporation. The Mozilla Foundation’s education and advocacy efforts, which span several continents and reach millions of people, are supported by philanthropic donations.
Last year, more than 400,000 individuals gave to Mozilla to protect and improve the health of the Internet. The Mozilla Foundation also receives support in the form of grants from other like-minded major foundations, including the Knight, MacArthur, Bill & Melinda Gates, and Ford foundations.
Anyone can access tech support for Mozilla’s products by visiting the support forum. Mozilla does not provide tech support or enhanced tech support in exchange for donation.
Contributions go to the Mozilla Foundation, a 501(c)(3) organization, to be used in its discretion for its charitable purposes. They are tax-deductible in the U.S. to the fullest extent permitted by law. The Mozilla Foundation Tax ID is 20-0097189.
For donors outside of the United States, please consult with your tax adviser about whether your donation is tax deductible.
In the case of some substantial gifts, we may be required to report names and addresses to the IRS. Mozilla is required by law to report this information for its substantial donors and for cash equivalent in-kind gifts, like stocks and bitcoin, over $5,000.
If you give to Mozilla online, you should immediately receive an emailed receipt for your donation that you can use for your U.S. tax preparation purposes. Please check your spam folder if you don’t see that email arrive in your inbox. If you need an additional copy of your receipt for your U.S. tax preparation purposes, please contact us at firstname.lastname@example.org.
If you used PayPal to set up a recurring donation, you’ll need to log in to your PayPal account to make changes or to cancel. If you made a monthly donation using your credit card, please send an email to our support team at email@example.com. Please include the email address and name you used to make your donation, and we’ll try to help you within two business days.
Yes. On our online form, use the drop down menu on the form to select any of over three dozen currencies.
We generally accept gifts of publicly traded stock, and will consider other gifts of stock on a case-by-case basis. Please contact us at firstname.lastname@example.org for more information. You should consult your tax adviser on the extent to which you may deduct charitable contributions of property such as stock and the documentation you need in order to claim a deduction.
Absolutely! We understand that not everyone can support our mission financially, but there are many ways to help Mozilla and be a part of our community. In fact, the success of our mission depends on participation from people like you. Find the best way for you to get involved with our community here.
We do now support direct debit transfers through SEPA (for Euros) and BACS (for British Pounds). Please click here for our bank information.
Yes! We’re registered with most major matching gift portal systems, and would be happy to work with you to get your donation matched by your employer. Please contact us at email@example.com if you have any questions or need assistance.
Yes! Please visit this donation form to make a contribution specifically for Thunderbird.
Yes! You can direct a small portion of what you spend on Amazon.com to support Mozilla by visiting this link to choose Mozilla in the Amazon Smile program. Please remember to initiate all your purchases by starting at smile.amazon.com. (Unfortunately, this program is limited to U.S. residents only.)