Diff Python Packages

deepdiff

DeepDiff: Deep Difference and search of any Python object/data. DeepHash: Hash of any object based on its contents. Delta: Use deltas to reconstruct objects by adding deltas together.

daff

align and compare tables

jsondiff

Diff JSON and JSON-like structures in Python

patch-ng

Library to parse and apply unified diffs

textdistance

📐 Compute distance between sequences. 30+ algorithms, pure python implementation, common interface, optional external libs usage.

jsoncomparison

The Python JSON Comparison package

fast-diff-match-patch

Python package for Google's diff-match-patch native C++ implementation.

patch

Library to parse and apply unified diffs

pytest-clarity

A plugin to improve the output of pytest with colourful unified diffs

redlines

Show the differences between two strings/text as a compact text, in markdown/HTML, in the terminal and more.

deepdiff6

DeepDiff: Deep Difference and search of any Python object/data. DeepHash: Hash of any object based on its contents. Delta: Use deltas to reconstruct objects by adding deltas together.

nbdime

Tools for diffing and merging of Jupyter notebooks.

pdiff

Pretty side-by-side diff

snapper-fmt

Format-aware semantic line break formatter. One sentence per line for Org, LaTeX, Markdown, RST, and plaintext.

csv-diff

Python CLI tool and library for diffing CSV and JSON files

prettydiff

Diff parsed JSON objects and pretty-print it

nested-diff

Recursive diff and patch for nested structures

reladiff

High-performance diffing of large datasets across databases

patiencediff

Patiencediff implementation

pygeodiff

Library for handling diffs for geospatial data

docx-scalpel

Swiss-army toolkit for .docx — faithful DOCX→HTML rendering, an in-browser block editor, Word-grade redlines with native tracked changes, and anchor-addressed markdown for LLM agents. .NET, WASM/TypeScript, Python, CLI.

jsonschema-diff

A powerful, intelligent library for comparing JSON schemas with beautiful formatted output, smart parameter combination, and contextual information.

coverage-diff

Show/check coverage only for changed files (between any git branches)

deepdiff-rs

onix is a Rust rewrite of Python DeepDiff's core: byte-compatible output, 37-4245x faster, with ignore_order support included.