Generate Data
Faker
DataConstruct
Beeceptor
Fake Data
ExtendsClass JSON Generator
Smock-it
A realistic data generator to test your app

PatternedAI
SeamlessCanvas
Patternshop
AI seamless repeat engine for ceramic tile, wallpaper,flooring and textile print. One motif in, an endless surface out. Generate straight, half-drop and brick repeats from a single design, and open up the spacing without redrawing. Export 300 DPI

Which is more popular?
Based on our record, Mockaroo seems to be more popular. It has been mentioned 27 times since March 2021.
Website, pricing, platforms and company facts side by side.
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Mockaroo
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| Website | mockaroo.com | seamless-repeat.com |
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| Platforms | — | |
| Company | — | Startup from India · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of Mockaroo yet.
SeamlessRepeat turns a single motif into a production-ready seamless repeat in seconds. Upload one image — a tile face, a floral, a wood grain, a marble scan, an abstract decor — and choose your repeat type: straight, half-drop or brick. Each layout is generated for its own offset rather than...
What each product offers, as listed by its team.

Possible disadvantages
Walkthroughs and reviews on video.
Best Free Sample Data Generator - Mockaroo.com
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How often each product is chosen within a category, 0–100% relative to the other.

As answered by people managing Mockaroo and SeamlessRepeat.
SeamlessRepeat's answer:
It is built for the press, not for a preview. - Three repeat types generated natively. Straight, half-drop and brick are each generated for their own offset, not produced once and nudged into place. That is why stone, marble and florals read as organic instead of gridded. - Design extension, not outpainting. Open a gap on the top, left, bottom or right — four controls that move independently — and the AI extends your artwork into it in your design's own motif language. The tile comes back larger and looser and still joins edge to edge. Spacing becomes an adjustable design decision instead of something you commit to when you draw. - You can verify it before you pay. Push any pattern to a 4×4 field, turn on seam guides, and go hunting for the join. Most generators ask you to trust the thumbnail. - 300 DPI, registration-safe PNG. Sized to the repeat you chose and ready for production, rather than a low-resolution mockup you have to rebuild. - A live preview before a credit is spent. The extension frame outlines exactly what the AI will fill, so nothing is generated until you are happy with it.
SeamlessRepeat's answer:
SeamlessRepeat's answer:
People who put patterns into production.
The common thread is production intent: someone who cares that the seam actually disappears at 300 DPI, and who is judged on whether the file works at the press.
SeamlessRepeat's answer:
SeamlessRepeat came out of a simple observation about surface design: the hard part was never drawing the motif, it was making it repeat. A designer would finish a beautiful floral or a marble study and then lose hours in Illustrator building the tile — and lose them again the moment a client asked for the pattern to sit a little looser.
We built SeamlessRepeat at Scientia AI to make that step disappear. One motif in, an endless surface out. We generated each repeat type for its own offset instead of nudging one layout into three, because half-drop is what stops stone and florals from looking gridded. We put seam guides and a 4×4 field on the public homepage, because a seamless repeat is a claim you should be able to check before you pay for it. And we shipped design extension so that spacing stays editable after the fact — open a gap and the AI fills it in your design's own language, instead of you redrawing.
The output targets a press, not a thumbnail: 300 DPI, registration-safe, ready for ceramic tile, wallpaper, laminate, flooring, textile print and packaging. India is our home market, so prices are quoted GST inclusive with a proper invoice.
SeamlessRepeat's answer:
Share your experience with using Mockaroo and SeamlessRepeat. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

If you give it the rules to generate something, why can't it generate it? That's what something like Mockaroo[0] does. It's just more formal. That's pretty much what LLM training does, extracting patterns from a huge corpus of text. Then... - Source: Hacker News / over 1 year ago
A quick way to test this out is to use a tool like Mockaroo to generate some test data and then have a Glue Crawler analyse the data in S3 and create the required data catalog entries. - Source: dev.to / over 2 years ago
Mockaroo — Mockaroo lets you generate realistic test data in CSV, JSON, SQL, and Excel formats. You can also create mocks for back-end API. - Source: dev.to / over 2 years ago
Tracking SeamlessRepeat since Aug 2026.
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Create seamless, tileable AI textures for games, 3D materials, fabric, wallpaper, and product mockups from text prompts or uploaded images.
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