Free engineering, CAD & design tools
View STEP & IGES files, plus SLDPRT, 3DS and Rhino. Find tap drill sizes, H7 fits and steel weight. No sign-up.
- CAD ViewerOpen STEP, IGES, SLDPRT, 3DS, Rhino
- CAD ConverterWrite STEP, IGES or DXF edges
- CAD to 2D DXFProject STEP, IGES, SLDPRT, 3DS or Rhino
- Tolerance & Fits CalculatorH7, g6 limits and fits
- Tap Drill Size CalculatorMetric and UNC tap drills
- Material Weight CalculatorSteel, aluminium, brass weight
- STEP File Weight CalculatorMass from STEP, IGES, SLDPRT, 3DS or Rhino
- Unit Convertermm, inch, kg, psi
- Color Contrast CheckerCheck WCAG contrast
- Color StudioHEX, RGB, HSL palettes
- Image CompressorShrink JPG and PNG
- JSON FormatterFormat and validate JSON
- QR Code GeneratorMake a QR code
- Text CompareDiff two texts
- Text Case ConverterUPPER, lower, Title case
About these tools
Open a STEP, STP, IGES or IGS file and check dimensions. Measure length, diameter, radius or angle, then weigh the part or look up a tap drill and an H7 fit. Nothing is uploaded.
Read our story. The charts are maintained in Pune. How the charts are kept says where each number comes from.
Built by engineers, for people who build things
AlwaysReach is an independent site of free tools. No account, and files stay in the browser. The engineering calculators grew out of work at Accurate Industries.
FAQ
Who makes AlwaysReach?
AlwaysReach is an independent free tools site. The engineering tools started with the team behind Accurate Industries, a precision tooling business in MIDC Bhosari, Pune. Sandeep Sawant has worked in wire-cut EDM and programming since 1980. Sameer Sawant built the software.
Why are the tools free?
Basic shop-floor and everyday utilities should not sit behind a subscription. The calculators stay free to use.
Are my files uploaded?
Where the browser can do the work — STEP files, SolidWorks .SLDPRT parts, images, JSON — processing stays on your device. You do not need an account.