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Complete ToolPatch tools directory
ToolPatch is a growing collection of focused utilities and practical workflow toolkits. Each page handles one task with clear inputs, fast results, and usable outputs.
Toolkits for common workflows
Start with a workflow when the job spans several small tools, assumptions, or handoff steps.
Startup Unit Economics Toolkit
Build, stress-test, and communicate your core economics in one workflow.
Network Troubleshooting Toolkit
Diagnose addressing, DNS, and transport bottlenecks quickly.
Lab and Chemistry Calculations Toolkit
Plan solution preparation, dilution, gas-law, reaction-yield, and pH checks with visible chemistry assumptions.
Project Delivery Planning Toolkit
Forecast schedule and delivery risk using practical PM metrics.
Engineering Field Calcs Toolkit
Fast first-pass engineering calculations for site and workshop decisions.
Chart Generators Toolkit
Choose the right chart generator for radar, spider, radial, Gantt, Sankey, bubble, Pareto, funnel, waterfall, trend, comparison, and distribution views.
Marine Navigation Calculators Toolkit
Use practical marine navigation calculators for CPA/TCPA, under-keel clearance, tide windows, route distance, set and drift, fuel range, ETA, anchoring, COLREGs encounter checks, and vessel turning estimates.
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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.
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.
PNG to JPG Converter
Convert PNG images to JPG format in-browser.
Upload a PNG file and export JPG output with adjustable quality settings.
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.