Online Editor Notepad++

A browser-based editor modeled after Notepad++, designed for developers and students who need fast, multi-file code editing without local installation.

Tool coming soon!

We're working hard to get this tool ready for you.

Request Feature / Support
1,424+
Total Calculations Run
< 15ms
Browser Execution Speed
100%
Client-Side Privacy
4.9 / 5.0
User Satisfaction
AI Web Tool Generator

Build Your Own Custom Web Calculator in Seconds

Type what tool or calculator you need below. Our AI will build it instantly for your site.

Popular ideas:
100% FREE • No Credit Card Required

About This Tool

An online editor inspired by Notepad++ provides browser-based code editing with a familiar UI and lightweight footprint. It enables developers, students, and freelancers to create, edit, and organize multiple code files in a single session without installing software. The editor runs entirely in the browser, preserving your local files via download, copy, or browser storage, and supports common programming languages.
Conceptually, the tool treats each file as a tab-backed buffer. Language modes activate syntax highlighting and basic folding; changes are reflected in all open buffers; you can import files, paste code, or create new tabs. The engine tokenizes text on the client, applies colorization, and maintains cursor positions, line numbers, and indentation. You can adjust indentation, switch endings between LF and CRLF, and select a theme. Your edits can be saved to your device or copied to clipboard; sessions can persist across reloads via localStorage when enabled.
Who benefits include remote teams, learners, and quick script prototyping. The Notepad++-style experience in the browser reduces setup friction while preserving a familiar editing workflow. It delivers reliable syntax-aware editing, multi-file context, and robust search/replace with regex, making it useful for debugging, configuration tweaks, and small-scale prototyping. Use cases range from editing configuration files in deployments to rapid snippet development across languages. The tool emphasizes client-side performance, offline-like editing within a single tab, and easy export/import of files for sharing or versioning.
Core features include multiple file tabs, syntax highlighting for various languages, line numbers, search/replace, indentation controls, and simple session persistence; exports and imports are supported to enable project portability.

How to Use

  1. Open the tool in your browser and create or load file tabs.
  2. Select the language mode and configure indentation, line endings, and theme as needed.
  3. Paste or type your code into tabs; use the multi-file workspace to edit across files.
  4. Use search/replace with optional regex and navigate by line numbers; save or export files when ready.
  5. Close or reload to resume editing later; sessions can persist via localStorage if enabled.
How to use online editor notepad++

Frequently Asked Questions

Find Quick Answers

Which languages are supported?
The editor provides syntax highlighting for a broad set of popular languages (JavaScript, Python, Java, C/C++, HTML/CSS, JSON, XML, and more). Language detection can be automatic for many files or manually selected per tab.
Is my code stored remotely or only in my browser?
All editing occurs client-side. Data can be persisted in localStorage or downloaded/exported to your device. There is no automatic remote storage unless you explicitly copy or upload/export files.
Can I collaborate with others?
Collaboration features are not built-in. You can share code by exporting files or using copy-paste, but real-time multi-user editing is outside the scope of this tool.
How do I import and export files?
Use the import option to load local files into tabs; export or download individual files or the entire session as multiple files or a ZIP package for portability.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

Register Free Account

Related Tools

Other useful calculators and utilities you might like

Developer Tools

Spotify to MP3 Converter

Convert Spotify tracks and playlists to MP3 format instantly with our free online converter.

Developer Tools

Road Distance Calculator

Calculate the driving distance and travel time between two addresses with our free online road dista...

Developer Tools

Age Calculator

Calculate your exact age in years, months, and days from any birth date to any target date.

Developer Tools

Currency Converter

Convert currencies instantly with real-time exchange rates and historical data support.

Your Feedback Matters

Help Us to Improve