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Bartender

Built for the bar program manager and the home enthusiast — scale a 1-serving recipe to a 50-batch with the right dilution math, compute the final ABV, convert between oz / mL / cl, plus the menu-copy AI tools and the quoting + invoicing for events.

14 tools · 3 sections

Cocktail math

3 tools

Batch scaling, ABV, dilution, unit conversion.

Cocktail Batch + ABV Calculator

Scale a recipe up to N servings. Compute the final ABV with dilution from stirring / shaking. oz + mL output.

Convert between temperature, weight, length, volume, speed, and data units.

Percentage Calculator

Calculate percentages, increases, decreases, and changes.

Menu + marketing

6 tools

Generate blog posts from a topic using AI.

AI Social Media Posts

Generate platform-specific social media content.

AI Hashtag Generator

Generate trending hashtags for any social media platform.

AI Tone Changer

Rewrite text in a different tone or mood.

Markdown to PDF

Convert Markdown to PDF with proper formatting. Code blocks, lists, quotes, headings. Free online tool.

Image Watermark

Add text or logo watermarks to protect your images.

Events + getting paid

5 tools

Invoice Generator

Create professional invoices for your small business. Drag to reorder line items, see live totals, save as draft, mark as paid and issue a receipt in one click.

Quote Generator

Create professional quotes for your clients. Drag to reorder line items, see a live summary, save as draft or convert straight to an invoice. Numbered, in-browser, all on your device.

Receipt Generator

Quick receipts for cash, card, and bank-transfer payments. Drag-handle line items, live cash-change calculation for walk-ins, save customers for next time.

Salary Calculator

Convert between hourly, daily, weekly, monthly, and annual salary.

Percentage Calculator

Calculate percentages, increases, decreases, and changes.

Looking for something specific? Browse all 240 tools.

Built browser-first. Run by one developer.

Every tool runs on your device. No tracking pixels, no sign-up to start. The numbers below are pulled live from the registry.

240

Free tools

Across 14 categories

7

Visual editors

PDF · image · video · audio

32

Curated kits

By profession + lifestyle

17

AI tools

Powered by Claude API

Files never uploadNo tracking pixelsNo sign-up neededWorks in any modern browser

The handful of AI tools (paraphrase, summarise, blog, captions, etc.) send your prompt text to Anthropic's Claude API to do the work. Files, images, PDFs and video never leave your device. Pick the tools that fit your privacy comfort.