
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.

BabelMap
PopChar
SymbSearch
Rocket
Codepoint
Holdkey
Shapecatcher
WinCompose supports the standard Compose file format.
Which is more popular?
Based on our record, JSONLint should be more popular than WinCompose. 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 | github.com |
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What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
WinCompose is recommended for writers, developers, translators, and anyone who frequently needs to input special characters and symbols. It's particularly useful for users working with multiple languages or those in fields requiring extensive use of non-standard notation.
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Working with WinCompose
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using JSONLint and WinCompose. 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
For Windows users, I recommend WinCompose: https://github.com/samhocevar/wincompose I use the Insert key, which would otherwise have no function. - Source: Hacker News / about 1 year ago
What I've been using: Install https://github.com/samhocevar/wincompose and you can then press AltGr then three hyphens to insert one. Or if you're on Linux just search for "compose key". - Source: Hacker News / over 1 year ago
Julia has made symbol input manageable and lets you define infix operators for many of the Unicode symbols that make sense for that. [1] And JuliaMono was designed to support the symbols that Julia does. [2] I generally do quite fine... - Source: Hacker News / almost 3 years ago
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