Beamo Flasher

Desktop app for flashing SD cards & USB drives, verified

The simplest, most reliable way to write OS images to SD cards and USB drives, foolproof for anyone, and verified down to the last byte.

Beamo Flasher is built to be the easiest and most reliable way to get an OS onto an SD card or USB drive. A guided wizard makes it foolproof for anyone, while power users get batch provisioning for whole stacks of cards at once. It verifies every byte after writing so a bad card never ships, quietly learns which cards keep failing and sets them aside, and runs natively on macOS, Windows, and Linux.

Desktop · 2025 · Live. Live: free to download for macOS, Windows, and Linux, no account needed.

v0.5.12 release (All builds unsigned (macOS/Windows warn on first launch). Includes Beamo Pi and Linux.)

What it does

A guided wizard: pick an image, confirm the target, watch it go
Write raw and compressed images from files, URLs, or catalogs
Batch mode provisions whole stacks of cards in one run
A health scoreboard that ranks cards by reliability and speed
Verifies every byte after writing, so a corrupt card never ships
Automatically speeds up or eases off to match your hardware

Guided wizard
Bulk flashing
Verified writes
Cross platform

Work

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