AI Tumblr banner creator that respects your theme
Our AI Tumblr banner creator builds at the size your theme actually displays and keeps the focal element clear of where the avatar sits.
Marketing Plan
Trusted by leading teams worldwide
Why Tumblr banners need their own design pass.
Tumblr is theme-driven. Each Tumblr theme treats the banner differently. Some show it full-width at 3000 pixels, others crop it to a header strip at 1280, others tuck it next to the sidebar with custom dimensions. The avatar sits in different positions depending on the theme too: top-left on some, centered on others, bottom-overlapping on a few. A banner that looks great on one theme can look off on another. Most banner tools build at a fixed size and let you find out what breaks when you upload. Our AI asks which theme you're using (or which dimensions your specific theme accepts) and builds against that layout so the focal point sits where the theme actually shows it.
Designing a Tumblr banner in four moves
Soshie can summarize all the information you provide to it.
From scheduling your week to writing content and responding to messages, Sintra’s AI Agents
Key Generation Features of Soshie
eCommerce Manager
Drives online sales growth through strategy, data, and innovation.
Business
Strategist
Shapes company direction through analysis, planning, and vision.
Customer
Support
Ensures client satisfaction by resolving issues quickly.
Data
Analyst
Transforms raw information into insights guiding business decisions.
Theme-aware design for Tumblr's layout variety.
Tumblr is one of the few platforms where the banner format varies by theme. Modern themes use 3000-pixel wide headers. Older themes use a smaller header strip. Custom HTML themes can put the banner anywhere. Our AI asks which theme is in play and builds against that layout, with the focal element placed where the specific theme's avatar and sidebar don't crop it.
Who reaches for the AI Tumblr banner creator
Aesthetic blog owners refreshing their look
Tumblr users running aesthetic blogs (cottagecore, dreamcore, indie sleaze, dark academia) who want a banner that signals the aesthetic without forcing them into a design tool. Our AI ships the banner styled for the aesthetic.
Creators running fandom or community blogs
Tumblr users running fandom blogs where the banner needs to signal the show, ship, or community. Our AI builds banners that fit the fandom's visual language without requiring custom design work.
Artists and creators using Tumblr as a portfolio
Artists, illustrators, and writers using Tumblr as a portfolio surface. Our AI builds banners that match their existing work without competing visually with the posts below.
Power-Ups
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Helpers of the month, every month.
With over 40,000 entrepreneurs from more than 100 countries, Sintra is the world’s leading provider of business automation tools and AI-powered solutions, including AI for marketing, AI for customer support, and more. Sintra supports businesses at every stage of their AI implementation journey, from initial pilot phases to scaling and optimizing AI initiatives.
I can’t recommend SintraAI enough. It’s like having a personal business coach 24/7, mapping out steps to grow my company and clarifying my priorities. I feel a renewed sense of focus and control every day.
December 29, 2024 • Socrate Concepcion • US
Each AI bot tackles my to-do list, from scheduling tasks to crawling my website for SEO tips. I love how it set up calendar reminders for all my commitments. Sintra.ai is well worth every penny, especially for a busy single-person business.
December 14, 2024 • Jennifer Glenn • US
As an entrepreneur launching a new venture, Sintra.ai has made a real difference. The AI assistants are like personal staff I can rely on. And whenever I needed support, the team was on point. A must-try for any budding business!
December 21, 2024 • Custódio Barreiros • HU
I once had a large team, and although I loved my helpers, they needed constant motivation. With Sintra, there’s no drama, just new ideas that I can simply accept or reject. It’s a huge relief—100% recommended.
December 26, 2024 • Holly Wehde • US
Hiring Sintra was a great decision for my struggling boutique. They handle social media posts, guide my ads, and even offered a solution for double social media pages. Now I can focus on my inventory and customers.
December 17, 2024 • Michele Davis • US
Signed up for Sintra X—it felt overwhelming at first, but once it understood how I think, it turned into a creative powerhouse. Support is top-notch, and the daily integrations impress me.
Dec 10, 2024 • Sami Liftoff • US
I’m not usually one to give top marks, but once I got comfortable with Sintra’s 12 helpers, I was blown away by their efficiency. They churn out so many analytical ideas I have to pause and digest them. It’s sometimes overwhelming, but in a good way.
December 29, 2024 • lars • DK
Sintra integrates with all my favorite tools and these little helpers automate my tasks in a huge way. They actually learn my company’s style day by day. It’s a massive step up from generic AI chats.
December 30, 2024 • Michelangelo • IT
My life is simpler with Sintra. It handles content creation, next steps, brainstorming, and copy. I highly recommend it if you want to free up mental space for what truly matters in your business.
December 28, 2024 • Lionel D'Alvia • US
My “team” in Sintra knocks out tasks like magic, offering fresh ideas for efficiency and better customer outreach. It’s a relief knowing I have AI assistants ready to go around the clock.
December 31, 2024 • Kat Angelica • US
I’ve only been using Sintra for a couple of weeks, but the experience has been great—especially with the social media bot reaching out to me with new ideas. The pull model feels super proactive and makes me more confident in my daily tasks.
December 30, 2024 • Bayan Qandil • US
I challenge anyone to compare other platforms to Sintra.ai and their staff—you won’t find a better customer experience. Everyone is professional, responsive, and genuinely cares about helping. Truly top-notch!
December 28, 2024 • Timothy Montjoy • US
This platform helps me like a full-time employee would. As a startup, I can’t afford extra staff, so Sintra stepped in to handle complex tasks and free me up for big-picture thinking.
December 28, 2024 • Jules Kincaid • US
I’m juggling multiple hats in my business, and these 12 AI “helpers” lighten the load. They even crack jokes and celebrate milestones with me! I saved thousands in consultant fees by letting Sintra handle SEO and content tasks.
December 30, 2024 • Michelle Smith • US
This platform helps me like a full-time employee would. As a startup, I can’t afford extra staff, so Sintra stepped in to handle complex tasks and free me up for big-picture thinking.
December 24, 2024 • Domanic R.H • US
So that's Soshie.
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Tumblr banner questions from blog owners
What Tumblr users ask before they refresh.
What size should a Tumblr banner be?
Depends on your theme. Most modern themes use 3000 pixels wide. Older themes use 1280. Check your theme settings or paste the dimensions and our AI builds for that size.
Where does the avatar sit on a Tumblr blog?
Depends on the theme. Top-left on some, centered on others, in a sidebar on others. Tell our AI which theme you use and the focal element gets placed where the avatar won't crop it.
Can our AI match my Tumblr aesthetic?
Yes. Name the aesthetic (dreamcore, cottagecore, soft grunge, indie sleaze, dark academia) and the banner comes back styled to fit. Or upload three of your recent posts and our AI pulls the palette from those.
Should the Tumblr banner match my avatar?
Yes if you want the blog to read as one project. Upload the avatar and our AI carries the palette and shape language into the banner.
Can the banner include text?
Yes. Tell our AI what the line should say. The text gets placed where the avatar and sidebar don't cover it.
How do I add the banner to my Tumblr theme?
Open your blog, click the settings gear, then Edit Theme. Scroll to Header Image or Banner Image. Upload the PNG. Save the theme.
