Rust json-parser

Open-source Rust projects categorized as json-parser
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Top 3 Rust json-parser Projects

json-parser

  1. jiter

    Fast iterable JSON parser.

    Project mention: Loading Pydantic models from JSON without running out of memory | news.ycombinator.com | 2025-05-22

    Pydantic author here. We have plans for an improvement to pydantic where JSON is parsed iteratively, which will make way for reading a file as we parse it. Details in https://github.com/pydantic/pydantic/issues/10032.

    Our JSON parser, jiter (https://github.com/pydantic/jiter) already supports iterative parsing, so it's "just" a matter of solving the lifetimes in pydantic-core to validate as we parse.

    This should make pydantic around 3x faster at parsing JSON and significantly reduce the memory overhead.

  2. Sevalla

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  3. fast-query-parsers

    Ultra-fast query string and url-encoded form-data parsers

  4. yamine

    A simple CLI for combining json and yaml files

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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Rust json-parser related posts

  • Show HN: I created a lightweight JavaScript library to visualize JSON as a graph

    2 projects | news.ycombinator.com | 26 Nov 2024

  • I/O is no longer the bottleneck

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Index

What are some of the best open-source json-parser projects in Rust? This list will help you:

# Project Stars
1 jiter 446
2 fast-query-parsers 39
3 yamine 19

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