massCode
A free and open source code snippets manager for developers.
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Financial Contributions
A coffee really really does go a long way! Quality coffee is definitely better 😄 Support us with a monthly donation and help us continue our activi... Read more
Top financial contributors
Individuals
$600 USD since Apr 2021
$210 USD since Oct 2022
$190 USD since Aug 2022
$95 USD since Feb 2024
$75 USD since Feb 2024
$62 USD since Nov 2022
$52 USD since Jul 2022
$50 USD since Aug 2022
$34 USD since Jul 2022
$32 USD since Dec 2024
$25 USD since Sep 2022
$22 USD since May 2022
$20 USD since Aug 2021
$20 USD since Sep 2022
$20 USD since Mar 2023
Organizations
$269.74 USD since Apr 2025
massCode is all of us
Our contributors 63
Thank you for supporting massCode.
Anton Reshetov
$600 USD
THANKS.DEV
$270 USD
Incognito
Coffee Backer ☕️
$210 USD
Zhongdong Yang
Coffee Backer ☕️
$190 USD
poa00
Coffee Backer ☕️
$95 USD
Mariusz
Coffee Backer ☕️
$75 USD
Adrian
Coffee Backer ☕️
$62 USD
Lawrence
Coffee Backer ☕️
$52 USD
Incognito
$50 USD
Fabian
Coffee Backer ☕️
$34 USD
Kenji Sato
Coffee Backer ☕️
$32 USD
Budget
Transparent and open finances.
$143.59 USD
$1,714.37 USD
$1,570.78 USD
$690.74 USD
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News from massCode
Updates on our activities and progress.
massCode v5 is here 🚀
massCode v4 is here 🚀
v4.0.0.beta is live!
About
About
Features
- 160+ syntax grammars out of the box (600+ supported via .tmLanguage)
- Integrated Prettier for code formatting
- Real-time HTML & CSS preview for quick prototyping
- JSON Visualizer for exploring nested structures as interactive graphs
- Export snippets as polished images with customizable themes
Notes
- Editor, Live Preview, and Preview modes
- Integrated Mermaid diagrams
- Mind maps generated from markdown heading structure
- Fullscreen presentation mode for demos and meetings
- Callout blocks and image embedding
Math Notebook
- Arithmetic, percentages, unit conversions, and date/time math
- 166+ fiat currencies, 21 cryptocurrencies with live exchange rates
- Variables, functions, and aggregates for quick iterative calculations
- Finance calculations (compound interest, ROI, loan repayment)
Developer Tools
- Text: Case Converter, Slug Generator, URL Parser
- Crypto: Hash/HMAC Generator, Password Generator, UUID
- Encoders: URL, Base64, JSON to TOML/XML/YAML, Color Converter
- Generators: JSON Generator, Lorem Ipsum
Markdown Vault
- Git-friendly - track changes and sync via any Git remote
- Cloud sync - works with iCloud, Dropbox, Google Drive, Syncthing
- Live sync - massCode watches the vault and picks up external changes in real time
- No vendor lock-in - your data is always yours
Custom Themes
Our team
Anton Reshetov
