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Local processing · No file uploads

AutoConfig generator.

Generate firefox.cfg and autoconfig.js with typed preferences, safe string quoting and installation guidance.

01 / Browser-local toolsUTF-8 · UTF-16 · Windows-1252

Two files, one configuration

Create Firefox preferences with explicit value types. Download both files and follow the installation guide.

Firefox AutoConfig

Ready

Check the target application after editing. CFG is an extension, not one universal format.

No content is stored when you close or reload the tab. Download your changes first.

01

Your files stay with you

No account, no installation. Local files are processed in this tab and are never uploaded by these tools.

02

How to use

Check the target application after editing. CFG is an extension, not one universal format.

Read the guide →