About this fake tumblr post generator
The fake Tumblr post generator makes a Tumblr-style text post with a blog name and avatar, the post body, a row of hashtags and a notes count. Write a dramatic poem about your houseplant, tag it #very serious #literature and you have a picture-ready post in the classic dashboard style.
It's popular for fandom jokes, writing prompts and nostalgic memes. Nothing connects to Tumblr, your draft is stored only in your browser, and every exported image includes a small Prank watermark. Pick a preset to start, rewrite the tags as many times as you like, and export at 2x or 3x for a crisp image that holds up when reblogged into a slideshow.
How to make a fake Tumblr Post (for fun)
- Pick a prank idea. Start from one of 4 ready-made ideas, or keep the default tumblr post.
- Edit the details. Change names, avatar, messages, times, counts and theme in the Content panel — the preview updates as you type.
- Check the preview. On a phone, switch to the Preview tab; the mockup scales to fit your screen.
- Download or share. Save a PNG or JPG at 2x or 3x, copy it, or share it straight from your phone. Then reveal the joke!
Tumblr Post prank ideas
One click loads each idea into the editor above — then make it yours.
What you can customise
- Blog name and avatar header
- Multi-line text post body
- Hashtag row under the post
- Notes and reblog counts
- Light and dark themes
- Prank presets and PNG/JPG export
- One-click prank presets to start from
- Autosaves in this browser — nothing is uploaded
- Download PNG or JPG at 2x or 3x resolution
- Copy the image or share it straight from your phone
Good ways to use it
- Making a fandom-style joke post
- Turning a writing prompt into a shareable image
- Designing a retro social card for a blog
- Explaining in class how note counts can be faked
Keep it a joke. Mockly makes parody images for fun. Never use a mockup to deceive, defame, harass or defraud anyone, and don't pose as a real person's or brand's official account. Every export carries a small “Prank · altftool.com” watermark. Not affiliated with Tumblr or any app shown.
FAQ
Can I add tags?
Yes, add hashtags and they appear in a row beneath the post, Tumblr-style.
Is it free?
Yes, completely free, no account, and it works in any modern browser.
Is making a fake Tumblr post legal?
For jokes and creative work, yes. Using it to deceive, defame, harass or defraud someone may be illegal and against platform terms.
Does it add a watermark?
Yes, a small 'Prank · altftool.com' watermark appears on each export.
Is the Tumblr Post generator free?
Yes. It is free with no sign-up and no limit, and it runs entirely in your browser — your text and images never leave your device.
Will people know it's fake?
They should. Every image carries a small “Prank · altftool.com” watermark, and a good prank is revealed quickly. Mockly is for parody and fun, never for deceiving anyone.
Is it legal to make a fake Tumblr screenshot?
Making a parody image for a joke is generally fine. Using one to deceive, defame, harass, impersonate or defraud someone can be illegal and breaks every platform's rules — so don't.