jaq

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On the record

API halt handling

Version 3.1 lets callers handle halt from filters through the jaq API instead of forcibly terminating the process.github.com · read 15 Oct 2026

Arch distribution

Arch Linux packages jaq 3.1.1-1 for x86_64 in its Extra repository.archlinux.org · read 15 Oct 2026

CLI and library

jaq is both a command-line jq replacement and a Rust library for compiling and running jq programs.github.com · read 4 Oct 2026

Conversions

It can convert data between supported formats while transforming it with a jq filter.github.com · read 4 Oct 2026

CSV and TSV

Version 3.0 added CSV and TSV format support.github.com · read 15 Oct 2026

Custom data types

jaq-core can process data types beyond JSON and supports embedding application-defined values through its ValT trait.docs.rs · read 15 Oct 2026

Distribution conflict

Homebrew warns that jaq conflicts with json2tsv because both install binaries named jaq.formulae.brew.sh · read 15 Oct 2026

Downloads

The project provides binary downloads for Linux, Mac, and Windows, and documents installation via Homebrew and Cargo.github.com · read 4 Oct 2026

Extra value support

jaq supports arbitrary values as object keys and can process strings containing arbitrary bytes, including invalid UTF-8.github.com · read 4 Oct 2026

Filters

The project adds filters including path-related operations, format conversion functions, tobytes, toboolean, @htmld and halt/1.github.com · read 15 Oct 2026

Formats

It supports JSON, YAML, CBOR, TOML, XML, CSV, and TSV data formats.github.com · read 4 Oct 2026

Funding

The project acknowledges NLnet grants funded through NGI0 Entrust and NGI0 Commons, with additional support from the Swiss State Secretariat for Education, Research and Innovation.github.com · read 15 Oct 2026

Homebrew distribution

Homebrew provides jaq 3.1.1 bottles for Apple Silicon and Intel macOS plus ARM64 and x86_64 Linux.formulae.brew.sh · read 15 Oct 2026

Independent ecosystem scale

Market.dev lists jaq as an active MIT-licensed Rust project with about 2.6 million downloads and 3.7 thousand stars.explore.market.dev · read 15 Oct 2026

Independent performance research

A peer-reviewed research paper reports jaq faster than jq on ten of thirteen benchmarks.arxiv.org · read 15 Oct 2026

Installation

Prebuilt binaries are offered for Linux, macOS and Windows, and source installation uses Cargo with a Rust toolchain.github.com · read 15 Oct 2026

JSON compatibility

The project is intended as a drop-in jq replacement and aims to preserve jq compatibility in most cases.docs.rs · read 15 Oct 2026

Latest documented release

Docs.rs lists jaq 3.1.1 as released on 5 August 2026.docs.rs · read 15 Oct 2026

Alternatives to jaq

J JSONZenWebWindows+3 J JSONBuddyWindowsBrowser extension+1 DJ Dadroit JSON ViewerWebWindows+2 B BracketViewWebWindows+1 J jqWebWindows+3 G gojqWindowsMac+2 G gronWindowsMac+1 JD jsonfmt.devWebAPI

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