Free tools for marketers, comms and event teams
Little tools I wanted while doing social, video, websites and events, so I built them. Free, no sign-up, no tracking, and nothing you type or upload leaves your browser.
Social Image Sizer
Resize one image to every social media size and download them all as a zip.
Open tool →Post Preview
See how a post looks on LinkedIn, X, Instagram, Threads, Facebook and Bluesky before you hit post.
Open tool →UTM Builder
Build clean UTM links with presets, bulk mode, GA4 channel checks and QR codes.
Open tool →Link Preview Checker
Check how a link looks when shared and generate the meta tags to fix it.
Open tool →Alt Text Checker
Find images missing alt text on any page and write better alt text.
Open tool →Email Signature Generator
Free email signatures for Gmail, Outlook and Apple Mail. No watermark.
Open tool →Run of Show Builder
Plan an event minute by minute, print the cue sheet, run it live.
Open tool →Sponsorship Package Builder
Build and price sponsorship tiers and print a one-page sponsor sheet.
Open tool →Stream & Video Calculator
Live stream bitrate, upload bandwidth and video file size in one place.
Open tool →Made by Ahmed Mahmoud in Calgary. Founder of FirstShow. Got an idea for a tool, or found a bug? Tell me on LinkedIn or open an issue on GitHub.