0xMH

0xMH / fichero-printer

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Fichero D11s thermal label printer - BLE protocol reverse engineering and Python CLI tool

0xmh.github.iofichero-printer
111
8
100% credibility
Found Feb 24, 2026 at 88 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
TypeScript
AI Summary

Open-source web and command-line tools for printing on the Fichero D11s Bluetooth thermal label printer, reverse-engineered to avoid the official app's privacy-invasive permissions.

How It Works

1
🏷️ Buy a label printer

You pick up a cheap Bluetooth thermal label printer from the store, but its app wants too many personal details like your location and photos.

2
🔍 Find better tools

You search online and discover free, private tools that let you print labels directly from your computer or browser.

3
Pick your printing style
🌐
Use web page

Open a simple web page in your browser – no setup needed.

💻
Use computer helper

Download and run a small printing program on your computer.

4
🔗 Connect your printer

Turn on the printer, click connect, and pair it just like headphones over Bluetooth.

5
✏️ Make your label

Type some text like 'Fragile' or drag in a picture, tweak the darkness, and preview how it looks.

6
🖨️ Print it out

Hit print, watch the label feed through, and see your custom sticker ready to stick.

🎉 Print anytime

Now you create endless labels privately and easily, without app worries – perfect for organizing jars or gifts.

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Star Growth

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AI-Generated Review

What is fichero-printer?

This project reverse-engineers the BLE protocol of the cheap Fichero D11s thermal label printer sold at Action stores, delivering a Python CLI tool and HTML-based web GUI to print labels without the official fichero printer app's privacy nightmares. You get commands like `uv run fichero text "Fragile"` for quick text labels or `fichero image label.png` for images, plus device status, density tweaks, and paper type settings over BLE. It also exposes a Python library for scripting fichero printer label jobs on PC or any platform.

Why is it gaining traction?

Ditches the fichero printer app's 26 creepy permissions—like ad tracking and full storage access—for direct BLE control via simple CLI or browser Web Bluetooth in Chrome. No servers, no builds: just open the HTML fichero printer page, connect, and drag-drop images with live previews. The detailed protocol docs from APK decompiling make it a go-to for fichero printer rollen or crafts & co label hacks.

Who should use this?

Hardware tinkerers with Fichero D11s printers tired of the Android/iOS app, developers automating inventory labels in Python scripts, or makers printing custom fichero printer papier on continuous rolls. Ideal for Windows users seeking a fichero printer app windows alternative via CLI or browser.

Verdict

Grab it if you own a Fichero from Action—solid CLI and web tools with excellent blog/docs make setup painless despite 17 stars and 1.0% credibility score signaling early maturity. Test on real hardware before production; protocol engineering shines but lacks emojis/tests yet.

(198 words)

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