tumblr-utils backs up a Tumblr blog locally as HTML, with a fork adding Python 3 support and fixes.
Open source
16 alternativesOutbox for Tumblr
Outbox for Tumblr automatically saves outgoing Tumblr asks, creating a record of questions sent from a blog.
About Outbox for Tumblr
Outbox for Tumblr is an open source browser extension that automatically saves outgoing Tumblr asks and answers, creating a record of questions sent from a blog. Saving happens passively, and the saved items can be opened from the extension's toolbar icon. It is available for Firefox and through the Chrome Web Store.
The extension saves asks sent from the Tumblr dashboard and from *.tumblr.com/ask pages, as well as answers sent privately. It stores up to 512 items at a time, and when that limit is reached, the oldest items are deleted automatically as new ones are saved. On Firefox, asks sent from blogs with custom domains can also be saved, but this requires granting the extension the "Access your data for all web sites" permission.
Key features
- Saves asks sent from the Tumblr dashboard
- Saves asks sent from *.tumblr.com/ask pages
- Saves answers sent privately
- Stores up to 512 items, deleting oldest items when full
- Firefox option to save asks on custom-domain blogs
- Open source code hosted on GitHub
Best for: Tumblr users who want an automatic record of asks and answers they have sent from their blogs.
Good for
- Saving is passive, so no manual step is needed for each ask.
- The source code is public and open source.
Watch out for
- Storage is capped at 512 items, and older items are deleted when the limit is reached.
- Saving asks on custom-domain blogs in Firefox requires granting access to data on all websites.
Outbox for Tumblr at a glance
- Category
- Marketing & SEO › Social Media Tools
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Outbox for Tumblr FAQ
How many saved items can the extension keep?
Up to 512 items can be stored at a time. When the limit is reached, older items are deleted automatically as new items are saved.
Can it save asks sent from blogs with custom domains?
On Firefox, yes, by granting the "Access your data for all web sites" permission in the extension's permissions.
How do I open the saved items?
Click the add-on icon in the browser toolbar to open your outbox.
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