Free tools

We build 198 free tools across five sites. They run in your browser, so you don't need an account and nothing gets uploaded.

FileKiln

Converters and text tools: JSON, CSV, YAML, Base64, diff and more.

107 grade and GPA calculators across 81 national grading systems.

Workshop maths: 3D print cost, handmade pricing, resin and laser.

Itineraries, minutes, purchase orders and a debt payoff planner.

SVG generators: social images, mesh gradients, waves and blobs.

All 198 tools in one list, if you already know what you're looking for.

FileKiln, 59 tools39 converters and 20 printable templates. Files go in one shape and come out another, on your machine, never on ours.filekiln.com
GradeKiln, 107 tools107 grade and GPA calculators across 81 national grading systems. Every scale explained, every conversion shown.gradekiln.com
ShapeKiln, 10 tools10 design generators. Patterns, gradients, blobs and banners, drawn in front of you and downloaded in one click.shapekiln.com
MakerKiln, 8 tools8 workshop tools for people who build things. What a 3D print costs, what to charge for handmade work, what is left on the spool, the Vref for a stepper driver, and what must never go in a laser, sourced to the manufacturer that says so.makerkiln.com
OfficeKiln, 14 tools14 document builders. Letterhead, invoices and signage that look like a design studio made them, minus the studio.officekiln.com