ToolPebDesign & Digital Media tools
Find calculations and practical tools relevant to design & digital media. Check the method, units and limits before using a result.
Image CompressorCompress to an optional file-size target, with JPEG/WebP and adjustable dimensions.Image ResizerResize a JPG, PNG or WebP image.Image ConverterConvert images to JPG, PNG or WebP.Motor no-load RPM from KVNo-load RPM ≈ KV × voltageStatic thrust-to-weight ratioRatio = total thrust (g-force) / mass (g)Battery C-rating current arithmeticCurrent = capacity/1000 × C-ratingFilament length from massLength = (mass/density) / [π(diameter/10)²/4] / 1003D printer volumetric extrusion flowFlow ≈ line width × layer height × speed3D print material costCost = grams × price/kg / 1000Print layer count from heightLayers = ceil(height / layer height)Image print resolutionPPI = pixels / printed inchesVideo size from average bitrateSize = bitrate × duration × 60 / 8Video bitrate for a size limitBitrate budget = MB × 8 / secondsResize width with fixed aspect ratioNew width = original width × new height / original heightRectilinear camera field of viewFOV = 2 × atan(sensor / (2 × focal length))QR Code GeneratorCreate text, link, Wi-Fi, email and phone QR codes; download PNG or SVG.Audio ToolsChange the format, make files smaller or edit a clip. Your file stays on your device.Video ToolsChange the format, make files smaller or edit a clip. Your file stays on your device.GIF ToolsChange the format, make files smaller or edit a clip. Your file stays on your device.Professional Worksheet StudioEditable logs, action plans and cost/ratio worksheets for 48 work areas. Save your own layout and export CSV.