One upload, four platforms
TikTok
Publish or schedule TikTok videos through the official Content Posting API.
YouTube
Upload videos and Shorts to your channel with titles and tags via the YouTube API.
Post to your Facebook Pages using Meta's official API.
Publish Reels and videos to your Instagram account through the Instagram API.
How it works
Download & open
Get the free desktop app for Windows, Mac or Linux. No account to create.
Connect your accounts
Connect each platform once through its official login. Connections live on your computer.
Organise by topic
Create a topic per channel or brand, each with its own set of accounts.
Publish or schedule
Attach one video, write one caption, post everywhere now — or schedule it.
Free creator tools — no download needed
MultiHandler Tools run right here in your browser. Nothing is uploaded; everything happens on this page.
Title & Hashtag Helper
Generate title ideas and ready-to-paste hashtag sets for your niche and platform.
Open the tool →Caption Studio
Write one caption and check it live against TikTok, YouTube, Instagram and Facebook limits.
Open the tool →Online Converter
Convert video and audio to MP4, MP3, M4A or WAV — and images to PNG, JPG or WebP.
Open the tool →Best Time to Post
See the posting windows that work best for each platform and day of the week.
Open the tool →Why creators use MultiHandler
Save the repeat uploads
Stop uploading the same video four times. One action publishes everywhere.
Private by design
No MultiHandler server, no tracking, no telemetry. Topics, tokens and schedules live in one local file on your machine.
Official APIs only
Every connection uses the platform's own login and public API. No scraping, no unofficial automation.
Free, for everyone
The app is free for all creators — no tiers, no watermarks, no subscription.
Ready to publish everywhere at once?
Download MultiHandler free and connect your first topic in minutes.
Get MultiHandler — free