Inspect and modify HTTP(S) traffic through a local proxy using a terminal or browser interface.
Free local proxy · MIT · Windows, macOS and Linux · No paid traffic quota
Developer tools
HTTP Toolkit
Free optionOpen sourceLocal
Capture and inspect HTTP(S) requests, then pause and manually edit traffic to debug your apps.
What you can use it for
Capture and inspect HTTP(S) requests, then pause and manually edit traffic to debug your apps.
- Inspect raw requests and responses from supported clients.
- Pause traffic at breakpoints and manually edit requests or responses.
Workflow coverage and comparison notes
Inspect HTTP(S) requests and responses in a local debugging proxy after Charles’s 30-day trial. Compare each tool’s interception, editing and export limits separately. Free includes interception, inspection, manual breakpoints and sending requests. Automated mocking/rewrite rules, traffic import/export, resend and advanced configuration require Pro. HTTPS interception may need trusted certificates and device-specific setup.
Before you switch
Free includes interception, inspection, manual breakpoints and sending requests. Automated mocking/rewrite rules, traffic import/export, resend and advanced configuration require Pro. HTTPS interception may need trusted certificates and device-specific setup.
Alternatives to these paid apps
Each comparison covers the workflow described above, rather than every paid feature.