
OneTab
Session Buddy
Tabs Outliner
Tabli
Workona
Tab Stash
SplitUp!
Save and restore the state of windows and tabs.

JSON Formatter & Validator
DevTools Advanced
JSONFormatter.org
FreeFormatter
JSON Editor Online
SmallDevTools
TheDevTools
FOSS tools for developers

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | addons.mozilla.org | developertools.tech |
| Pricing | — | |
| Listed in |
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
This extension is recommended for users who frequently work with multiple tabs and windows and need a reliable way to save and restore their browsing sessions. It is especially beneficial for users who do research, manage projects, or need to ensure their tabs are not lost due to unexpected browser closures. Additionally, users who value customization and session management automation will find Tab Session Manager particularly useful.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Tab Session Manager and DeveloperTools.Tech. For example, how are they different and which one is better?
When comparing Tab Session Manager and DeveloperTools.Tech, you can also consider the following products.

Whenever you find yourself with too many tabs, click the OneTab icon to convert all of your tabs into a list. When you need to access the tabs again, you can either restore them individually or all at once.
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The JSON Formatter was created to help with debugging.
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Manage Your Browser Sessions
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A collection of developer tools in one place in your browser
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Next Generation Session, Windows, Tabs Manager and a TooManyTabs Solution That Really Works.
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Online JSON Formatter and JSON Validator will format JSON data, and helps to validate, convert JSON to XML, JSON to CSV. Save and Share JSON
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