Firefox Developer Tools pricing
1 plan read from firefox-source-docs.mozilla.org
Firefox Developer ToolsFree Built into Firefox · examines, edits, and debugs HTML, CSS, and JavaScript Read 12 Oct 2026 · firefox-source-docs.mozilla.org
In short
- Firefox Developer Tools has a free plan (Firefox Developer Tools).
What the alternatives costAll alternatives →
| Tool | From | Free plan | Free trial |
|---|---|---|---|
| CLion | $10.90/mo | Yes | Yes |
| IntelliJ IDEA | $8.33/mo | Yes | Yes |
| BugSnag | — | Yes | Yes |
| PyCharm | $8.33/mo | Yes | Yes |
| Airbrake | $17/mo | Yes | Yes |
| Backtrace | $50/mo | Yes | No |
| Microsoft Edge | — | Yes | No |
| LLDB | — | Yes | No |