
JSONFormatter.org
JSON Formatter & Validator
JSON Editor Online
FreeFormatter
Code Beautify JSON Validator
CodeBeautify
DevToys
JSON Lint is a web based validator and reformatter for JSON, a lightweight data-interchange format.

Pattern Collect
Patterninja
The Pattern Library
PATTERNISSE is the all-in-one CRM for surface & pattern designers: auto-catalog your artwork, drop it onto photo-real mockups, share big files in a click, track client views, and cut costs on printed samples.

Which is more popular?
Based on our record, JSONLint seems to be more popular. It has been mentioned 138 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | jsonlint.com | patternisse.com |
| Pricing | — | |
| Company | — | Startup from Portugal · 1 - 9 employees |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of JSONLint yet.
What it does • Digital catalog magic: drag-n-drop a PSD, TIFF or JPEG and PATTERNISSE auto-tags, files, and shelves it • Photo-real mockups: see your pattern on dresses, shirts, bedding, wallpapers, suits without opening Photoshop • Huge GB file sharing: no more “your attachment is too large”...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


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Why this product is good
Recommended for
Overall verdict
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing JSONLint and PATTERNISSE.
PATTERNISSE's answer:
PATTERNISSE puts many jobs in one place. Drop in a pattern and it tags itself, stores it in a neat online shelf, and shows it on a dress or wall right away. You can send big files with one link, see which designs a client opens, and add a pay-now button without leaving the page.
PATTERNISSE's answer:
Most designers jump between four or five apps. PATTERNISSE does the same work in one login, so you spend less money, lose fewer files, and close deals faster.
PATTERNISSE's answer:
Surface and pattern designers, wallpaper makers, textile teams, and licensing agents, anyone who works with repeating artwork and big image files.
PATTERNISSE's answer:
Our founders were pattern designers fed up with messy folders, printed look-books, and late payments. They built a small fix for themselves, friends wanted in, and PATTERNISSE grew from there.
PATTERNISSE's answer:
AWS keeps the files safe and scales as you grow. OpenAI add some AI magic. Stripe handles payments and invoicing. The site itself is written with Typescript, SQL and HTML.
PATTERNISSE's answer:
One of the five biggest wallpaper brands in Europe, multiple large U.S./Portuguese textile mill, and hundreds of indie pattern studios rely on PATTERNISSE every day (names under NDA).
Share your experience with using JSONLint and PATTERNISSE. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


I've been maintaining jsonlint.com for years. It's a simple JSON validator that I enjoy hacking on every now and then. Nothing fancy, just a useful tool that developers seem to appreciate. - Source: dev.to / 8 months ago
Note: It is crucial that your batchinput.jsonl file is correctly formatted. You can use online JSON formatters and validators like jsonformatter.org or jsonlint.com to verify its integrity before proceeding. - Source: dev.to / about 1 year ago
Online Tools: Websites like JSONLint or jsonformatter.org let you paste JSON and get a minified version instantly. - Source: dev.to / about 1 year ago
Tracking PATTERNISSE since Jun 2025.
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