Flask-DebugToolbar by pallets-eco
A toolbar overlay for debugging Flask applications
About Flask-DebugToolbar
From the project's README at github.com/pallets-eco/flask-debugtoolbar. Lightly cleaned for readability; for the full source see the upstream repo.
A [Flask][] extension that injects debugging information into rendered HTML pages. Presented as a sidebar with configurable panels of information.
This is a port of the excellent [django-debug-toolbar][ddt].
[Flask]: https://flask.palletsprojects.com [ddt]: https://github.com/jazzband/django-debug-toolbar/ Pallets Community Ecosystem
> [!IMPORTANT]\ > This project is part of the Pallets Community Ecosystem. Pallets is the open > source organization that maintains Flask; Pallets-Eco enables community > maintenance of related projects. If you are interested in helping maintain > this project, please reach out on [the Pallets Discord server][discord].
Health score breakdown
6-dimension composite. See methodology for formula and weights.
Adoption signals
Real-world usage data, pulled from each registry. The bigger the numbers, the more battle-tested the project.
| Signal | Value | Source |
|---|---|---|
| GitHub stars | 978 | github.com/pallets-eco/flask-debugtoolbar |
| GitHub forks | 149 | github.com/pallets-eco/flask-debugtoolbar |
Release & maintenance
Is this project actively maintained, or about to die? Check the recency of last commit and last release.
| Project age | 14.4 years | since Dec 2011 |
| Last commit | 3 days ago | May 4, 2026 |
| Releases shipped | 9 | last: 1.6 years ago |
| Security policy | SECURITY.md | declared by maintainers |
| Funding links | 3 | declared by maintainers |
Self-hosting cost across providers
Detected requirements: 4GB RAM, 40GB disk minimum. Cheapest plan per provider that meets the requirement.
| Provider | Plan | Specs | Monthly | |
|---|---|---|---|---|
| hetzner | CAX11 | 2c · 4GB · 40GB | $4.13 USD | Deploy → |
| vultr | VC2 | 1c · 1GB · 25GB | $5 USD | Deploy → |
| linode | Nanode 1GB | 1c · 1GB · 25GB | $5.12 USD | Deploy → |
| digitalocean | Basic Regular 1GB | 1c · 1GB · 25GB | $6 USD | Deploy → |
Ready to self-host Flask-DebugToolbar?
Spin up a hetzner CAX11 (4GB RAM, 40GB disk) for $4.13/mo and follow the project's official install docs.
Data last refreshed May 7, 2026.
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