Freelancers
Build calculators for clients.
No Coding Required
Build Professional Calculators in Minutes
Create branded calculators visually, configure formulas without coding, and export production-ready files.
Visual Builder
ZIP Export
Works Offline
✓ Instant Download ✓ One-Time Purchase ✓ No Subscription
Everything Included
Everything Included
Visual Calculator Builder
Formula Builder
Live Preview
Branding Controls
5 Templates
JSON Import
JSON Export
ZIP Export
Documentation
Works Offline
No Backend Required
Static HTML/CSS/JS Output
Who Is This For?
Who Is This For?
Agencies
Deliver lead generation tools.
SaaS Founders
Create conversion-focused calculators.
Marketers
Publish ROI and pricing calculators.
WordPress Users
Embed calculators into websites.
No-Code Creators
Build without programming.
Features
Everything buyers need to build useful calculators
Savezly keeps the workflow visual, portable, and simple to ship.
Visual Builder
Configure calculator structure without writing code.
Formula Builder
Map inputs to calculation variables with a focused editor.
Live Preview
Inspect the calculator as fields, results, and branding change.
Branding Controls
Customize name, logo text, colors, and radius.
JSON Import / Export
Back up, share, and restore editable project source files.
ZIP Export
Generate a ready-to-publish static calculator package.
No Backend Required
Everything runs with vanilla HTML, CSS, and JavaScript.
How it works
From template to published calculator in four steps
Choose a template
Start with a commercial calculator structure.
Customize fields and branding
Adjust inputs, labels, colors, and presentation.
Generate calculator
Export a clean ZIP package with static files.
Publish anywhere
Upload the files to a website, client project, or static host.
Included templates
Launch with five practical calculator types
Savings Calculator
Estimate future savings.
ROI Calculator
Measure return on investment.
Pricing Calculator
Create fast pricing estimates.
Cost Comparison Calculator
Compare two purchase paths.
Time Savings Calculator
Turn saved hours into value.
Export system
Keep projects editable or ship finished calculators
Two clear export paths give buyers flexibility for backups, client work, and publishing.
Editable Project
Use JSON export to save a draft, transfer a project, or return later for future editing.
Ready to Publish
Use ZIP export to deliver static HTML, CSS, JavaScript, and README files.
FAQ
Questions buyers ask before publishing
Can I host calculators on any website?
Yes. Generated calculators are static files and can be uploaded to most websites or static hosting platforms.
Do calculators require a server?
No. Generated calculators run in the browser using static HTML, CSS, and JavaScript.
Can I edit generated files?
Yes. The exported files are plain HTML, CSS, and JavaScript, so they can be customized manually.
Can I sell generated calculators?
Generated calculators can be packaged for client projects or productized workflows according to the license included with your purchase.
Can I use calculators on WordPress?
Yes. You can upload or embed the generated static files depending on your WordPress setup and hosting permissions.
Can I use the builder offline?
Yes. The builder is static and can run locally in a modern browser.
Does Savezly store my projects?
No server storage is used. Drafts are saved locally in the browser when local storage is available.
Can I import an old project?
Yes. Use Import JSON to restore an editable project source file created by the builder.
Can I change calculator colors?
Yes. The Branding section supports brand name, logo text, colors, and radius settings.
Can I create calculators without coding?
Yes. The builder is designed for visual configuration. Code editing is optional after export.
Start Building Professional Calculators Today
Download Savezly Calculator Builder today.