fast-json-stable-stringify is an npm package designed for deterministic JSON serialization. It ensures that objects are stringified into consistent JSON strings regardless of key order. This is crucial for scenarios like content addressing and generating stable hashes. The package prioritizes performance, offering a significant speed boost compared to standard JSON stringification, making it ideal for applications where consistent and rapid JSON serialization is paramount. Use it to guarantee predictable output when stringifying complex JSON objects.
Fast-json-stable-stringify downloads surged throughout 2024 and 2025, peaking in June 2025 at 292 million. There was a steady increase overall. However, based on incomplete data, downloads appear to have significantly decreased in September 2025 to approximately 100 million.
The fast-json-stable-stringify npm package had infrequent releases. Two versions were published in October 2017 (1.0.2, 2.0.0), one in December 2019 (2.1.0), and none in the period between November 2017 and November 2019, or between January 2020 and August 2025. There were no updates over the last five complete years.
