jaq

Windows · Mac · Linux · Self-hosted · API

Freedom report

Three barsScore 6.5

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely3 of 6 device platforms
DocumentedPlans, terms and facts published

jaq is ranked #4 of 29 in JSON tools on Freedom251. It runs on API, Linux, macOS, Self-hosted, Windows. There is a free plan.

jaq plans and pricing

All plans

jaq Free MIT-licensed open-source command-line program and Rust library github.com · 4 Oct 2026

Compared on JSON tools

jq querying: Yes
Available platforms: Windows, macOS, Linux, API

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The record

Purpose: jaq is a jq clone focused on correctness, speed, and simplicity.
Formats: It supports JSON, YAML, CBOR, TOML, XML, CSV, and TSV data formats.
Conversions: It can convert data between supported formats while transforming it with a jq filter.
CLI and library: jaq is both a command-line jq replacement and a Rust library for compiling and running jq programs.
Library safety: The jaq-core library can be used in multithreaded environments and supports data types beyond JSON.
Extra value support: jaq supports arbitrary values as object keys and can process strings containing arbitrary bytes, including invalid UTF-8.
Performance: The project publishes benchmarks comparing jaq with jq and gojq, and reports jaq as faster on many benchmarks.
Security: The project says jaq is memory-safe and does not let input data or filters initiate I/O, except that filters may read files before execution.
Security limits: jaq does not guard against resource exhaustion, so processing may consume unlimited time, memory, or stack space.
Security audits: The project says Radically Open Security audited jaq's core in two NLnet-funded audits and that all reported issues were addressed.
Downloads: The project provides binary downloads for Linux, Mac, and Windows, and documents installation via Homebrew and Cargo.
Try it: The project links to an online playground where users can try jaq.
License: The project repository identifies jaq as MIT-licensed.
Price from: Free

Where it ranks on Freedom251

Best JSON Tools in 2026#4 of 29

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Sources

github.com/01mf02/jaq· checked 4 Oct 2026
github.com/01mf02/jaq/releases· checked 4 Oct 2026