Makefile Formatter
Format and clean up GNU Makefiles. Converts space-indented recipe lines to the tabs Make requires, trims trailing whitespace, collapses extra blank lines, normalizes spacing around assignment operators (= := ?= +=), and optionally aligns consecutive variable assignments. Runs entirely in your browser.
Authorizations
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Body
Makefile
Tab Width
8, 4, 2 Convert leading spaces on recipe lines to a tab (required by Make)
Trim trailing whitespace
Normalize blank lines (max 2 consecutive)
Normalize spacing around assignment operators (= := ?= +=)
Align consecutive variable assignments
Response
Tool output
The tool's slug, echoing the {slug} in the request path.
Output-contract version for this tool.
Credits this call consumed, after any settlement refund. 0 when metering is disabled.
Credits left in the current monthly allowance, or null when metering is disabled.
Correlation id, also sent as x-request-id.