Autofill coding templates on LeetCode. Inject snippets, save boilerplate, save time and speed up problem-solving.
Users
20
+1 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
7
0 in 30 days
Store rank
#150K
#125K among extensions
Version
1.02
updated 29 Aug 2025
Users
monthly, 14 months
Latest, 16 Oct 2026:20 usersMove the mouse over the chart for any month
Ratings count
monthly, 14 months
Latest, 16 Oct 2026:7 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About CodeFill – LeetCode Autofill and Templates
🚀 CodeFill – Supercharge Your LeetCode Workflow
CodeFill takes your coding practice to the next level by automatically injecting your custom code templates into the LeetCode editor. No more wasting time rewriting the same boilerplate — focus directly on solving problems.
🔑 Key Features
— Multi-language support – Works with C++, Java, Python, JavaScript, TypeScript, Go, Rust, C, and C#
— Smart customization – Configure templates for each language and choose whether to insert them at the top or bottom of the editor
— Seamless integration – Runs automatically on LeetCode problem pages without extra clicks
— User-friendly interface – Manage templates easily with an intuitive popup and options page, complete with dark mode
💡 How CodeFill Helps You
— Saves time – Start coding instantly without rewriting imports, macros, or boilerplate
— Ensures consistency – Maintain a personal coding style across all problems
— Boosts productivity – Focus on problem-solving instead of repetitive setup
— Reduces errors – Predefined templates minimize chances of missing common utilities
— Keeps you organized – Centralized template management for all languages you use
⚡ How It Works
— Configure your templates in the extension options
— Open any LeetCode problem page
— CodeFill injects your template automatically — ready to code instantly