JSONFormatter.org
JSONLint
JSON Formatter & Validator
CodeBeautify
JSON Crack
FreeFormatter
10015.io
View, edit and format JSON online

ScheduleBuilder
Class Timetable
Schedule-Builder.net
Schedule Maker Pro
Tweek.so
Weekly Timetable App
Build a clear weekly schedule online, then print, share, or export it. Free and no signup required.

Which is more popular?
Based on our record, JSON Editor Online seems to be more popular. It has been mentioned 23 times since March 2021.
Website, pricing, platforms and company facts side by side.
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JSO
JSON Editor Online
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|---|---|---|
| Website | jsoneditoronline.org | schedulebuilder.dev |
| Pricing | — | |
| Company | — | 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of JSON Editor Online yet.
ScheduleBuilder.dev is a free online weekly schedule builder for students, professionals, shift workers, families, and anyone who wants a clearer view of their week. It works directly in the browser and does not require an account. Create color-coded events, repeat activities across multiple...
What each product offers, as listed by its team.

Possible disadvantages
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using JSON Editor Online and ScheduleBuilder.dev. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

I love json tools, I use several like https://jsoneditoronline.org/. - Source: Hacker News / about 2 years ago
This error is harmless. However, your configuration file is malformed. What u/mart1d4 said is right that the custom settings are for custom games mode (not hard). Start with the default config. You can use: https://jsoneditoronline.org/... Source: over 3 years ago
Download the text file with curves from this thread: https://www.avsforum.com/threads/announcing-ratbuddyssey-a-tool-for-tweaking-audyssey-multeq-app-files.3006886/post-62226147Save your .ady file and open it here:... Source: over 3 years ago
Tracking ScheduleBuilder.dev since Sep 2026.
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Plan class timetables, work weeks, or daily routines - fast and easy. Drag, drop, customize, export, and share.
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JSON Lint is a web based validator and reformatter for JSON, a lightweight data-interchange format.
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Class Timetable is one of the best timetable apps for school, college, and university students that manages your schedule and sync it with the calendar.
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The JSON Formatter was created to help with debugging.
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Create, manage, and share your schedules with our free online Schedule Builder. Multiple calendar views, reminders.
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