ScreenPrint Foundry · Open Source

Screen Printing Tools

Free, single-file HTML tools built by a working screen printing engineer. Each one runs entirely in your browser — nothing is uploaded, nothing needs installing. Use them right here, or download the file and double-click it on any computer, offline. Full guides and production articles at screenprintfoundry.com.

⚡ No sign-up✈ Works offline🔒 Data stays on your computer📦 Single .html fileMIT license

The tools

Screen Inventory Manager: the inventory list with ID, mesh, frame, status pills, artwork, last tension in red when below threshold, runs and location

01

Screen Inventory Manager

For shops that buy their screens: Excel import with column mapping, free-format IDs, tension logging at every changeover (5-pt or 1-pt) with threshold alerts, printable Code 128 frame labels, scan-gun lookup, and custom statuses. Your data never leaves your computer.

▶ Run in your browser ⬇ Download Full walkthrough →
Exposure Time Calculator: 120 seconds exposed, step 9 read against target 7 — corrected to 60 seconds with the formula shown

02

Exposure Time Calculator

Read your step-wedge or factor-filter test, get the corrected exposure time with the math shown. Presets for Stouffer, SAATI, Ryonet, KIWO/Ulano ExpoCheck and Chromaline Dual — plus custom scales, off-the-scale guidance, and a session log that tracks you to locked-in.

▶ Run in your browser ⬇ Download Full walkthrough →
Print QC Logger: 47 good parts counted, defect buttons with counts, live defect rate 11.39%

03

Print QC Logger

A browser-based inspection station: one-keystroke good/defect counting, live defect rate, defect Pareto, per-inspector statistics, editable defect types, audit log and CSV export. Built for the end of a production line.

▶ Run in your browser ⬇ Download About this tool →
Ink Recipe Manager: the ink library showing mixed-ink formulas with components and percentages

04

Ink Recipe Manager

A local database for your ink formulas: raw-material library, mixed-ink recipes, per-project print layers with screen photos, a weighing calculator, and a printable shop-floor mixing sheet. Your recipes never leave your computer.

▶ Run in your browser ⬇ Download About this tool →
Registration Simulator: four marks on the stage and three virtual handwheels

05

3-Axis Registration Adjustment Simulator

A training simulator for three-axis presses (X / Y1 / Y2): read misregistration patterns, split them into translation, the common component and rotation, and practice on virtual handwheels — guided lessons, random challenges, step-by-step solutions.

▶ Run in your browser ⬇ Download Full guide →
Registration Mark Generator: film size, mark style and template options

06

Registration Mark Generator

Build a custom film-positive template — corner registration marks, crop marks, gradation strip, separation label — matched to your film size. Live preview, SVG download for Illustrator / CorelDRAW / Inkscape.

▶ Run in your browser ⬇ Download About this tool →

How these work

Single file

One self-contained .html per tool — copy it anywhere, it runs anywhere a browser runs.

Offline

Zero network requests. Air-gapped shop-floor PC? Fine.

Private

Data lives in your browser's local storage. Nothing is transmitted anywhere.

Backup

JSON export/import built in — use it before clearing browser data.