The founder’s workbench

Free tools. Useful every week.

Audit a page, send an invoice, track a campaign.
34 free tools for building and running your business.

Free to useNo signupReady when you are

Three useful places to start

Browse all 34 tools ↓

Example

SEO audit

Give your pages a checkup.

Find on-page issues, get next steps and compare your next run.

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Example

Invoice generator

Good work. Ready to bill.

Create a PDF invoice and save a draft for your next client project.

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Example

Image compressor

Less weight. Faster pages.

Shrink your images without uploading your files.

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A shortcut for the small stuff

Your everyday toolkit.

34 tools · free to use, no account needed

Business & billing

Get the next invoice out the door.

Invoice Generator

Create an invoice. Save a draft. Bill again.

GST Invoice Generator

GST invoices with HSN codes, your logo and a clear tax breakdown.

HSN Code Finder

Find HSN and SAC codes. Carry them straight into an invoice.

Business & money

Make the numbers make sense.

Profit Margin Calculator

Margin, markup and profit from cost and price.

ROI Calculator

Return on investment % and net profit.

LTV Calculator

LTV from ARPU, margin and churn.

CAC Calculator

CAC and payback period from spend.

Churn Rate Calculator

Churn %, retention % and avg lifetime.

MRR & ARR Calculator

Normalize plans into MRR and ARR.

Burn Rate & Runway

Net burn and months of runway.

Break-Even Calculator

Units and revenue to break even.

Percentage Calculator

Percent of, percent change and ratio.

Loan Calculator

Monthly payment, interest, total cost.

Tip Calculator

Tip, total and split per person.

Sales Tax Calculator

Tax amount and gross total.

SEO & marketing

Improve your pages and track your campaigns.

SEO Audit

Find on-page issues. Fix them. Check again.

UTM Builder

Generate clean, trackable campaign URLs.

Brand & launch

Give your next idea a starting point.

Slogan Generator

Dozens of catchy tagline ideas, instantly.

Favicon Generator

Text or emoji → favicon PNGs + HTML tags.

Images & files

Get every asset ready to ship.

PNG to JPG

Convert PNG images to JPG, in-browser.

JPG to PNG

Convert JPG images to lossless PNG.

WebP to PNG

Convert WebP images to PNG.

Image Compressor

Shrink image file size, privately.

Image Resizer

Resize images by exact dimensions.

Writing & code

Small shortcuts for everyday work.

Word Counter

Words, characters, reading time — live.

Character Counter

Characters with/without spaces, live.

Case Converter

Switch text between any case.

JSON Formatter

Beautify, minify and validate JSON.

Base64 Encode/Decode

Text ⇄ Base64, both directions.

UUID Generator

Generate v4 UUIDs in bulk.

Password Generator

Strong, random passwords, in-browser.

Color & design

Find the right colors and make them readable.

HEX ↔ RGB

Convert HEX to RGB and back, with preview.

Gradient Generator

Design a CSS gradient, copy the code.

Contrast Checker

WCAG contrast ratio and pass/fail.

The next tool in your stack

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