Mini Tools Collection
Useful one-page tools for real work
ToolPatch is a growing collection of focused utilities. Each page handles one task with clear inputs, fast results, and practical outputs.
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Conversion Tools
Featured
Angle Converter
Convert angles between deg, rad, and grad.
Convert angular units for math, engineering, and graphics workflows.
Conversion Tools
Featured
Cooking Measurements Converter
Convert kitchen volume units like tsp, tbsp, cups, ounces, pints, and liters.
Convert common cooking measurement units with quick equivalents for recipe scaling and prep.
Conversion Tools
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Data Size Converter
Convert data sizes across bytes, KB, MB, GB, and TB.
Useful for storage estimates, file size planning, and cloud budgeting.
Conversion Tools
Featured
Energy Converter
Convert energy units: J, kJ, cal, kcal, Wh, kWh, and BTU.
Convert thermal and electrical energy units for engineering, nutrition, and utility contexts.
Conversion Tools
Featured
Fuel Economy Converter
Convert fuel economy across mpg US, mpg UK, L/100km, and km/L.
Convert fuel efficiency units used across automotive regions with full equivalents output.
Conversion Tools
Featured
HEIC to JPG Converter
Convert HEIC images to JPG where browser support is available.
Upload HEIC files and export JPG output using local browser decoding when supported by platform capabilities.
Conversion Tools
Featured
JPG to PNG Converter
Convert JPG images to PNG format in-browser.
Upload a JPG image and convert it to PNG for lossless workflows and transparent-ready editing.
Conversion Tools
Featured
PNG to JPG Converter
Convert PNG images to JPG format in-browser.
Upload a PNG file and export JPG output with adjustable quality settings.
Conversion Tools
Featured
Power Density Converter
Convert power density between hp/L and kW/L.
Convert engine and motor specific output metrics across horsepower per liter and kilowatt per liter.
Conversion Tools
Featured
Power Unit Converter
Convert between PS, HP, BHP, and kW power units.
Convert engine and motor power ratings across PS, HP, BHP, and kW with quick all-unit output.
Conversion Tools
Featured
Pressure Altitude Converter
Calculate pressure altitude from altimeter settings or station pressure.
Convert aviation/weather pressure inputs to pressure altitude in feet and meters.
Conversion Tools
Featured
Shoe Size Converter
Convert shoe sizes across US men's, US women's, UK, EU, and JP(cm).
Approximate shoe size conversion across major regional sizing systems.
Conversion Tools
Featured
SVG to PNG Converter
Rasterize SVG files to PNG at configurable scale.
Upload an SVG and export PNG output with selectable scaling for web assets and previews.
Conversion Tools
Featured
Temperature Converter
Convert Celsius, Fahrenheit, and Kelvin values instantly.
One-page converter for common scientific and everyday temperature units.
Conversion Tools
Featured
Torque Converter
Convert torque between Nm, lb-ft, and kgf-m.
Convert mechanical torque units for automotive, motorsport, and engineering workflows.
Conversion Tools
Pressure Converter
Convert pressure units: Pa, kPa, bar, psi, and atm.
Ideal for engineering checks, tire pressure, and process control tasks.
Conversion Tools
Speed Converter
Convert speed across m/s, km/h, mph, and knots.
Useful for transport planning, sports metrics, and navigation.
Conversion Tools
Unit Converter
Convert length values across metric and imperial units.
Convert between meters, kilometers, centimeters, millimeters, miles, feet, and inches. Useful for engineering specs, logistics, and daily conversion tasks.
Conversion Tools
Volume Converter
Convert liters, milliliters, gallons, quarts, and cups.
Helps with recipes, lab prep, and fluid volume planning.
Conversion Tools
Weight Converter
Convert kg, g, lb, oz, and tonnes accurately.
Useful for shipping, nutrition, fitness, and engineering workflows.