Maker Tools

◈ Filament Cost Calculator

Estimate material and electricity cost per print.

⏱ Print Time Estimator

Quick print time and filament estimate without opening a slicer.

🔍 G-Code Analyzer

Upload or paste G-code to get bounding box, time estimate, filament, layer count, and retractions.

⚙ CNC Feeds & Speeds

Spindle RPM, feed rate, plunge rate, and max depth of cut.

⚒ Drill & Tap Reference

Tap drill and clearance hole sizes for common fractional and metric fasteners.

⚡ Laser Pass Estimator

Estimate passes and cut speed for a given material thickness.

🎗 Laser Focus Calculator

Focus offset and depth-of-field for your material thickness and diode laser module.

🖼️ Laser Image Prep

Convert images to laser-ready: grayscale, contrast, dithering, threshold. Preview before burning.

⚡ Ohm's Law Calculator

Solve for voltage, current, resistance, or power. Fill in any two fields.

🎨 Resistor Color Code

Decode 4- or 5-band resistors by color, or look up bands for a resistance value.

⚡ Stepper Motor Vref

Calculate the correct Vref potentiometer voltage for A4988, DRV8825, TMC2208/2209 and more.

🔋 Battery Pack Designer

Voltage, capacity (Wh), max discharge, runtime, and cell count for custom Li-ion packs.

🌬 Enclosure Fan / Airflow

Calculate CFM and fan size needed to cool a 3D printer or electronics enclosure.

⚡ Wire Gauge & Voltage Drop

AWG ampacity reference and voltage drop calculator for a wire run.

💡 LED Series Resistor

Calculate series resistor value and power rating for LED circuits.

📋 Material Settings Lookup

Find dialed-in machine settings from the materials library and community profiles.

⇄ Unit & Fraction Converter

Convert between mm, decimal inches, and fractional inches (to 1/64").

🔌 Pinout Reference

Pin-by-pin reference for common maker boards, motors, and connectors.

🔐 Hash Generator

MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes for text or files. Verify firmware checksums, check for tampering, or generate hashes for any purpose.

⇄ Base64 / Hex / Binary Converter

Encode or decode text and files between plain text, Base64, hex, and binary.

🔳 QR Code Generator

Generate a QR code from any text, URL, WiFi credential string, or vCard. Choose error correction level and download as PNG.