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Kavento
Free business calculators and invoices, no account needed
A free invoice generator and seven business calculators that run entirely in your browser. Fill in an invoice, pick one of five templates, download a print-ready PDF. No sign-up, no watermark, and nothing you type is ever uploaded. Every calculator prints its formula and a worked example, so you can check the answer instead of trusting it. Plus invoice guides for 12 trades: photographers, contractors, caterers, movers, electricians and more.
Hi Product Hunt 👋
I kept needing a quick invoice and a margin calculation, and kept landing on tools that wanted an email address first, or that watermarked the PDF unless I upgraded. So I built the version I wanted: no account, no watermark, no upsell.
The part I'm most pleased with is invisible. The invoice preview you see and the PDF you download are literally the same file - generated once in your browser with pdf-lib and shown back to you - so the preview can never drift from what you actually send. Most builders draw an HTML preview and generate the PDF separately.
There's no backend at all, which makes the privacy claim boring rather than impressive: your invoice data has nowhere to go. The site does load analytics and the privacy page says so, but nothing you type into an invoice or a calculator ever leaves the page. Open the network tab and check.
The part that took longest wasn't the generator. It was writing invoice guides for 12 specific trades - the licence line a photographer needs, the retainage a contractor holds back, the purchase order that decides whether a consultant gets paid this month.
I'd genuinely like to know which calculator is missing. Tell me what you needed and couldn't find.
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About Kavento on Product Hunt
“Free business calculators and invoices, no account needed”
Kavento was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #141 on the daily leaderboard. A free invoice generator and seven business calculators that run entirely in your browser. Fill in an invoice, pick one of five templates, download a print-ready PDF. No sign-up, no watermark, and nothing you type is ever uploaded. Every calculator prints its formula and a worked example, so you can check the answer instead of trusting it. Plus invoice guides for 12 trades: photographers, contractors, caterers, movers, electricians and more.
Kavento was featured in Web App (123.8k followers) on Product Hunt. Together, these topics include over 37.7k products, making this a competitive space to launch in.
Who hunted Kavento?
Kavento was hunted by Alejandro Cañete. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Alejandro Cañete