Requirements.txt to pyproject.toml | uv, Poetry

Convert requirements.txt to pyproject.toml for uv, Poetry or pip. Keeps extras, markers, git and local sources, dev groups and package indexes. Free, private.

Also known as: requirements.txt to pyproject.toml · convert requirements.txt to pyproject.toml · requirements txt to pyproject toml uv · requirements txt to pyproject toml poetry · uv add requirements.txt · pip to uv migration · pyproject.toml dependencies generator · requirements-dev.txt to dependency groups · migrate requirements.txt to uv

python tools

developer utilities

converters

requirements.txt Input

Output for

Project name

Version

Python version (requires-python)

Normalize names (PEP 503)

Sort A to Z

Loosen == pins to >=

requirements-dev.txt (optional, becomes the dev group)

pyproject.toml Output

About requirements.txt to pyproject.toml Converter

A requirements.txt to pyproject.toml converter is used to move a Python project from pip's requirements file to the standard project file that uv, Poetry, Hatch and PDM read. Paste requirements.txt and, optionally, requirements-dev.txt, and it writes the [project] dependencies, a dev dependency group, package indexes and git or local sources in the format your tool expects.

Key Features

Reads pip's full file format: comments, line continuations, extras, version ranges, environment markers and --hash options
Three outputs: uv (with [tool.uv.sources] and [[tool.uv.index]]), plain PEP 621 for pip and Hatch, or Poetry's [tool.poetry] tables
Turns requirements-dev.txt into a PEP 735 dev dependency group or a Poetry dev group
Converts git+https URLs, direct wheel URLs and -e local paths into sources instead of dropping them
Maps --index-url, --extra-index-url, --pre, --find-links and --trusted-host to their uv and Poetry settings
Normalizes names and sorts the list the way uv add -r does, with an option to loosen == pins

Use Cases

Migrate a Django or FastAPI service from pip to uv before adopting uv.lock
Move a Flask app at a US startup onto Poetry without retyping 40 dependencies
Keep the PyTorch CPU wheel index when converting a machine learning project
Consolidate requirements.txt and requirements-dev.txt into one pyproject.toml
Review what an internal git dependency becomes in [tool.uv.sources] before a pull request
Check a converted file into a repository that a GitHub Actions workflow builds with uv sync

Supported Formats

requirements.txt

requirements-dev.txt

requirements.in

pyproject.toml

PEP 621

PEP 735

Poetry

Related Keywords

requirements.txt to pyproject.toml

convert requirements.txt to pyproject.toml

requirements txt to pyproject toml uv

requirements txt to pyproject toml poetry

uv add requirements.txt

pip to uv migration

pyproject.toml dependencies generator

requirements-dev.txt to dependency groups

migrate requirements.txt to uv

How do I convert requirements.txt to pyproject.toml?

With uv you can run uv init --bare, then uv add -r requirements.txt, which needs the project on disk and resolves every package. This converter does the same mapping in the browser so you can review it first: each requirement becomes a PEP 508 string in [project] dependencies, development packages go into [dependency-groups], git and local-path packages move to [tool.uv.sources], and --index-url becomes a [[tool.uv.index]] entry. Hashes are dropped because the lockfile records them. Once the file is in place, run uv lock or poetry lock to pin exact versions again.

Your dependency list stays on your device

The file is parsed and converted with JavaScript in your browser. Private index URLs and internal package names are never uploaded.

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Frequently asked questions

What is Requirements.txt to pyproject.toml used for?

Convert requirements.txt to pyproject.toml for uv, Poetry or pip. Keeps extras, markers, git and local sources, dev groups and package indexes. Free, private.

Is Requirements.txt to pyproject.toml free to use?

Yes. Requirements.txt to pyproject.toml is completely free with no usage limits, and there is no paid tier required to use it.

Do I need an account to use Requirements.txt to pyproject.toml?

No. Requirements.txt to pyproject.toml works immediately in your browser with no signup, login, or email address required.

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