Spring Full-Stack Practical Cases

Sep 14, 2026 · Backend Development

json-masker: Zero-Dependency JSON Masking Library Claims 11x Speedup Over Jackson

This article introduces json-masker, a lightweight (~60 KB) zero-dependency Java library for masking sensitive fields in JSON, demonstrating up to 11x higher throughput than Jackson-based approaches with support for JSONPath, streaming API, allowlist/blocklist modes, and customizable masking strategies.