
LeetCode Submission Protection by Sherukoda
Adds a confirmation step before submitting code on LeetCode, preventing accidental submissions and potential wrong answers.
1 User1 User
You’ll need Firefox to use this extension
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About this extension
🔍 What it Does
LeetCode Submission Protection is a lightweight browser extension that prevents accidental code submissions on LeetCode.
On LeetCode, a single misclick on the Submit button or pressing
This extension adds a safety net so you only submit when you actually mean to.
⚡ Key Features
🎯 Why Use It?
🛠 Technical Notes
🚀 Installation & Usage
LeetCode Submission Protection is a lightweight browser extension that prevents accidental code submissions on LeetCode.
On LeetCode, a single misclick on the Submit button or pressing
Ctrl+Enter
/ Cmd+Enter
can instantly send your code — even if you’re not ready. This often results in:
- Wrong submissions saved in your profile
- Wasted attempts during contests
- Frustration when debugging
This extension adds a safety net so you only submit when you actually mean to.
⚡ Key Features
- Disable Submit Button – button stays visible but unclickable
- Hide Submit Button – removes the submit button entirely
- Block Shortcut Keys – disables
Ctrl+Enter
/Cmd+Enter
submissions - Lightweight & Fast – no performance impact
- Seamless Integration – blends with LeetCode’s interface
🎯 Why Use It?
- Avoid unwanted wrong submissions
- Take time to test properly before submitting
- Stay safe in contests, where wrong attempts cost points
- Works for both button clicks and keyboard shortcuts
- Zero setup — just install and go
🛠 Technical Notes
- Built with lightweight JavaScript (no heavy libraries)
- Configurable via extension popup
- Requires only LeetCode domain access
🚀 Installation & Usage
- Install from the Firefox Add-ons
- Open the popup and configure options:
- Enable / Disable protection
- Choose between Disable or Hide button
- Enable shortcut blocking
- Reload LeetCode — protection is active 🎉
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Permissions and dataLearn more
Required permissions:
- Access your data for leetcode.com
Optional permissions:
- Access your data for leetcode.com
More information
- Add-on Links
- Version
- 1.0.1
- Size
- 2 MB
- Last updated
- a day ago (Aug 20, 2025)
- Related Categories
- License
- MIT License
- Version History
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