write-json-file
Stringify and write JSON to a file atomically.
- Status
- Not yet determined
- Last checked
- Aging · Sep 5, 2026
- License
- Open source
- Pricing
- Free tier · from $0
What it is
A utility for safely writing JSON data to files in Node.js environments. It ensures atomic writes, preventing partial or corrupt writes due to interruptions.
write-json-file stands out for its simplicity and reliability in handling JSON file writes, ensuring data integrity through atomic operations.
When it fits — and when it doesn’t
A good fit for
Node.js developers who need reliable and safe JSON file operations in their projects.
Projects where data integrity during write operations is critical.
Look elsewhere if
Scenarios requiring real-time updates to files without atomic guarantees
Use cases that do not involve Node.js or JavaScript environments
Known weaknesses
Each one links to the public issue, changelog or docs page it came from, where we have one.
- 01
Limited functionality for complex JSON operations
The tool is specifically designed for simple write operations and lacks advanced features such as read, update, or delete functionalities.
- 02
Small community support
Given its specific use case, the community around 'write-json-file' may be limited, leading to fewer contributions, slower issue resolution, and less comprehensive documentation.
- 03
No built-in error handling for write failures
The tool focuses on atomic writes but does not provide robust mechanisms for handling errors that may occur during the file writing process, such as disk space issues or permission errors.
What it does well
Atomic writes to ensure data integrity
Simplifies JSON file operations in Node.js projects
Handles encoding and decoding automatically
Pricing
- Free tier
- YesOpen source — free to use
- Paid from
- $0
- Model
- Flat rate
- Enterprise plan
- No
Pricing not independently confirmed — check the vendor’s page.
Performance benchmarks
How Fast Is It?
Set up write-json-file
Setup steps, common gotchas and what to check after 30 days.