Free tools

Free tools for performance marketers.

Fast, no-signup tools to get the boring parts of advertising done. Built by the team behind the Salk AI ad studio.

ROAS & Break-even Calculator

Work out your ROAS, break-even point, profit, and the exact spend to hit your goal.

Check if your A/B test result is real: conversion rates, uplift, z-score, p-value, and a verdict.

Upload an ad creative and get an instant score out of 100, sub-scores, and the top 3 fixes.

Current ad sizes for every platform, plus a free in-browser resizer that exports every size.

Write Facebook and Instagram ad copy in Meta’s exact format, with live character counts.

How it works

Pick a tool

Calculators and generators for the everyday parts of running ads.

Get your answer

Live results, no signup, no waiting. Everything runs instantly.

Launch in Salk

Turn the output into matching image and video ad creative.

Meta & Facebook Ad Copy Generator by niche

Pre-tuned versions with sample ad sets for your industry.