jaq
jaq: A focused open-source option for jq filtering, format conversion, and Rust embedding. Ranked #20 of 29 in JSON Tools by our editors (7.2/10); pricing: Open source; best for cross-platform jq-compatible structured-data processing.
At a glance
- Editor score7.2 / 10
- PricingOpen source
- Best forCross-platform jq-compatible structured-data processing
- Paid fromFree
- Facts checked21 Sep 2026
Where it wins
- jq-compatible filtering with a Rust library for embedding
- Supports JSON, YAML, CBOR, TOML, XML, CSV, and TSV
- Binary releases cover Linux, macOS, and Windows
Where it doesn't
- Does not provide verified schema features
- No stated diff workflow for structured data
- Editing is outside its documented feature focus
Our verdict on jaq
jaq is an open-source command-line structured-data processing tool and Rust library for developers who want jq-compatible filtering across Windows, macOS, Linux, and API-based workflows. It applies jq filters to structured data while extending format support beyond JSON to YAML, CBOR, TOML, XML, CSV, and TSV. Developers can use binary releases, compile the project from source, or embed its Rust libraries in applications. Its documented goals include correctness, performance, simplicity, memory safety, and predictable behavior.
The strongest fit is its combination of jq compatibility and broad format handling. jaq can convert between supported structured-data formats, giving teams one tool for filtering and moving data across common representations. The Rust API supports arbitrary data types and byte-string processing for arbitrary binary contents, which matters when structured-data workflows need to operate beyond ordinary text values. Binary releases for Linux, macOS, and Windows also make it practical for teams working across those operating systems.
jaq is more focused than a full structured-data editing or validation suite. Its documented capabilities center on querying, filtering, conversion, and embedding; verified schema, diff, and editing features are not part of its stated focus. Choose jaq when jq-compatible programs, multiple data formats, Rust integration, and cross-platform distribution are priorities. An alternative will be a better fit for teams that need schema verification, structured-data comparison, or dedicated editing workflows alongside query processing.
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jaq pricing
jaq fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Free |
| Schema validation | Not verified |
| JSONPath querying | Not verified |
| jq querying | Yes |
| Batch processing | Not verified |
| JSON diff and compare | Not verified |
| Available platforms | windows, macos, linux, api |
| Deployment | Self-hosted |
| Platforms | Windows, macOS, Linux |
| Support | Docs |
| Built for | Solo, Small business, Mid-market (editorial estimate) |
| Pricing | Open source |
| Website | github.com |
| Facts checked | 21 Sep 2026 |
Alternatives to jaq
- BracketViewA broad JSON toolkit with querying, schemas, diffs, snapshots, and webhook testing.9.4
- JSON CrackA broad, free toolkit for visualizing, querying, validating, and converting structured data.9.2
- jsonfmt.devA broad JSON toolkit with local browser processing, API access, and a $9 one-time Pro plan.9.0
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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