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 in your browser — nothing is uploaded. Each tool has its own page; tap any card to open it.
Remove Background
Remove the background from a photo or thumbnail and download a transparent PNG.
Open the tool →Video Toolkit
Extract MP3 audio, trim a clip, make a GIF or compress a video to 720p — from your own file.
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 →Video to Prompt
Analyse a video and turn it into a detailed AI prompt — or a full MASTER prompt.
Open the tool →Photo to Prompt
Turn any photo into a ready-to-paste AI image prompt — Midjourney and MASTER formats included.
Open the tool →SEO Post Kit
Titles, descriptions, hashtags and keywords built on SEO rules for every platform.
Open the tool →Caption Studio
Write one caption and check it live against every platform's character limits.
Open the tool →Best Time to Post
The best posting windows for every platform — in your audience's time zone, with your next best slot.
Open the tool →Image Compressor
Compress JPG, PNG and WebP images — by quality, or to an exact KB target, in batches.
Open the tool →QR Code Generator
Create a QR code for your channel or any link and download it as a PNG.
Open the tool →Image Resizer
Resize and crop images to exact TikTok, YouTube, Instagram and other platform sizes.
Open the tool →CSV to JSON / SQL
Convert CSV to JSON, a SQL CREATE TABLE schema with guessed types, and ready-to-run INSERT statements.
Open the tool →Bank Statement PDF to Excel
Turn a bank statement PDF into an editable Excel file — privately, in your browser. Your statement is never uploaded.
Open the tool →Invoice / Receipt Generator
Fill in items, tax and totals, preview live, and download a clean PDF invoice or receipt instantly.
Open the tool →ClipForge — Subtitles & Watermark
Burn SRT captions and a text watermark into a video, entirely in your browser. No uploads, no queues.
Open the tool →BrandKit Zero — Icon Pack
Drop one image and get every favicon and app icon size, a favicon.ico, web manifest and install snippet in one zip.
Open the tool →SecureScrub — EXIF Remover
See the GPS and camera metadata hiding in your photos and videos, then strip it all before you share them.
Open the tool →Safe Zone Previewer
Drop in a 9:16 video or thumbnail and see exactly where TikTok, Reels and Shorts buttons and captions will cover it.
Open the tool →YouTube Thumbnail Downloader
Paste a YouTube link to preview and download its thumbnail in every size, and see the title and channel.
Open the tool →Viral Hook & Bio Generator
56 proven opening hooks and copy-ready bio templates with live character counts. Works fully offline.
Open the tool →PDF Compressor
Shrink a PDF in your browser — pick Screen, Balanced or Print quality and see exactly how much you saved.
Open the tool →HEIC to JPG
Convert iPhone HEIC photos to JPG or PNG in batches — nothing is uploaded.
Open the tool →Remove Silence
Automatically cut silent gaps from talking-head videos and audio, with a sensitivity slider.
Open the tool →Subtitle Converter
Convert SRT, VTT and ASS subtitles between formats and shift their timing to fix sync drift.
Open the tool →Thumbnail A/B Previewer
See your YouTube thumbnail inside home, search and mobile mocks — A/B side by side, light and dark.
Open the tool →Aspect Ratio Converter
Turn 16:9 or square videos and images into padded 9:16 verticals with a stylish blurred background.
Open the tool →BPM & Key Finder
Drop an MP3 and find its tempo and musical key (with Camelot code) for beat-synced cuts.
Open the tool →Video Compressor — Exact Size
Shrink a video to an exact target: 10 MB for Discord, 16 MB for WhatsApp, 25 MB for email, or any size you pick.
Open the tool →YouTube Money Calculator
Estimate channel earnings from daily views and your niche's RPM — per day, month and year.
Open the tool →Meme Generator
Add top and bottom text to any image and download your meme as PNG or JPG.
Open the tool →Video Speed & Reverse
Speed a video up to 4×, slow it to 0.25×, or play it in reverse — audio stays in sync.
Open the tool →Shorts Clipper
Drop in a long video and get its most energetic moments cut into vertical 9:16 clips for Shorts, Reels and TikTok.
Open the tool →Caption Burner
Burn bold captions into any video from an SRT file — Bold Pop, Gold Box and Classic styles, rendered privately in your browser.
Open the tool →Video Pack Resizer
Export one video in every platform size — 9:16, 1:1, 4:5 and 16:9, cropped to fill or with a blurred background.
Open the tool →Teleprompter
Paste your script and read it as it scrolls — adjustable speed, mirror mode and fullscreen.
Open the tool →Text Tools
Word counter plus one-click case converter, duplicate-line remover, line sorter and space cleaner.
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