pyjson
Compare the similarities between two JSONs.
Decision gist · record as of 2026-08-14
Yes, if you need a simple, zero-dependency JSON comparison tool and can accept that the project is no longer actively maintained. The low install friction and permissive license make it a low-risk addition. However, if you require ongoing support, bug fixes, or active development, look for an actively maintained alternative.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Low install friction with no runtime dependencies.
- Maintenance is dormant—last commit was 2024-03-21 and no releases since 2023-09-21—so expect no active bug fixes or feature updates.
License · maintenance · safety
permissive license (permissive) — Licensed under MIT (permissive), so you can use, modify, and distribute freely with minimal restrictions.
last release 2023-09-21 (1058 days) · last repo commit 2024-03-21
0 known vulnerabilities (OSV.dev, 2026-08-14) · 149,902 downloads/mo, #10,979 on PyPI
Alternatives
Verify before relying
pip install pyjson
from pyjson import compare
result = compare(json_file_1, json_file_2)- What specific similarity metrics or algorithms the package uses to compare JSON structures.
- Whether the tool handles nested JSON, arrays, and complex data types correctly.
- Output format and how differences are reported to the user.
What it is and what it does
pyjson is a lightweight utility for comparing two JSON files and identifying their structural and content differences. It is part of a small-tools collection and is designed to help developers quickly spot discrepancies between JSON documents—useful for testing, validation, or data reconciliation workflows.
The package has no runtime dependencies, making it straightforward to install. However, the project is dormant; the last commit was in March 2024 and there have been no releases since September 2023. It supports Python 3.8, 3.9, and 3.10. If you need active maintenance or ongoing feature development, this may not be the right choice.
Use it for
- Compare expected vs. actual JSON output in API tests or integration tests.
- Validate that configuration files or data exports match a known-good reference.
- Detect unintended changes in JSON structure during refactoring or data migrations.
- Quickly identify differences between two versions of a JSON dataset for debugging.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you need a simple, zero-dependency JSON comparison tool and can accept that the project is no longer actively maintained.
The low install friction and permissive license make it a low-risk addition. However, if you require ongoing support, bug fixes, or active development, look for an actively maintained alternative.
Install
pyjson on PyPI
Before you install
Low install friction with no runtime dependencies. Maintenance is dormant—last commit was 2024-03-21 and no releases since 2023-09-21—so expect no active bug fixes or feature updates.
License in practice
Licensed under MIT (permissive), so you can use, modify, and distribute freely with minimal restrictions.
Quickstart
pip install pyjson
from pyjson import compare
result = compare(json_file_1, json_file_2)Verify before relying
- What specific similarity metrics or algorithms the package uses to compare JSON structures.
- Whether the tool handles nested JSON, arrays, and complex data types correctly.
- Output format and how differences are reported to the user.
Package facts
| License | permissive license permissive |
| Python support | Not specified |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | None |
| Maintenance | Dormant 1,058 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 149,902 / month, #10,979 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Intended Audience :: DevelopersLicense :: OSI Approved :: MIT LicenseOperating System :: OS IndependentProgramming Language :: PythonProgramming Language :: Python :: 3Programming Language :: Python :: 3.10Programming Language :: Python :: 3.8Programming Language :: Python :: 3.9 |
Evidence: pyjson-1.4.1-py3-none-any.whl
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