Cloistr

What it does

Free browser-based tools for freelancers and small businesses — VAT calculator, invoice generator, freelance tax estimator, break-even calculator, password generator, and more. No sign-up, no paywall, no account. Everything runs directly in your browser, so your data never touches a server.

Free online tools for freelancers and small businesses — VAT calculator, invoice generator, tax estimator, password generator and more.

A growing collection of fast, free utilities for freelancers, small businesses and everyday tasks. Everything runs right in your browser. See what you'll receive after PayPal's Goods & Services or Friends & Family fees. See what you'll receive after Stripe's processing fees and surcharges. Find the true cost of hiring someone, beyond just the salary. Create a professional quote or estimate and download it as PDF. Selling price, profit and margin from cost and markup — single or multiple items. Browse the collection or search by name. Every tool is free and open — no account, no paywall. Fill in your numbers, text or settings. Everything processes instantly in your browser —…from cloistr.io

• 
  ToolsLoop | Free Online ToolsJul 2026 · toolsloop.xyz · ▲2

  Free tools for freelancers and businesses worldwide

• 
  onetaptool.comJun 2026 · onetaptool.com · ▲2

  15 free tools that never ask for your email first

• 
  Free Online Tools2025 · minitools4u.com · ▲14

  Hi HN! I built ToolDexo - a collection of 29 free online tools because I was tired of websites that force you to sign up just to use a calculator or word counter. What's included: - Calculators: BMI, calorie, mortgage, loan, tax, grade, tip, percentage, age, compound interest - Converters: Currency (36 currencies with live rates), unit, timezone, file size - Generators: Password, QR code, favicon, color picker, Lorem Ipsum, random number - Text tools: Word counter, case converter, character counter, text compare, Markdown editor - Dev tools: JSON formatter, Base64 encoder/decoder Tech…

• 
  FreelancertoolsorgAug 2026 · freelancertools.org · ▲2

  Freelancer finance toolkit, 100% free

• 
  TooltriAug 2026 · tooltri.com · ▲1

  20+ free tools that never leave your browser

• 
  ToolsForgeJun 2026 · toolsforge-app.vercel.app · ▲3

  Free business tools for freelancers — no signup needed

• IR
  I replaced a $120k bowling center system with $1,600 in ESP32s▲2,935

  I might be the only SRE on Earth with his own bowling center. It's a more in-depth gig than you'd think. My family and I bought an abandoned 8-lane bowling center in the rural mid-west. In our small town there weren't many recreation options for families. You've heard of a food desert? This is an R&R desert. It had been abandoned for a good reason. The roof leaks, the electrical system was constantly surging, and my 70-year-old bowling equipment (still) doesn't work perfectly. The system that keeps your score is particularly interesting to me. It's the thing you watch during your game, but…

  Life & fun · Jul 2026

• 
  Elevators▲1,680

  How elevators push your buttons

  Life & fun · Jul 2026 · john.fun

• 
  18 Words▲1,160

  Play 18 Words, the free daily word puzzle. The official home is 18words.com. Tap Play now to open today

  Life & fun · Jul 2026 · 18words.com

• BA
  Bento - An entire PowerPoint in one HTML file (edit+view+data+collab)▲1,033

  Over the past few months, our team has been building more and more slidedecks using web frontend technologies with coding harnesses like Claude Code, but a common complaint is to make even small edits we need to edit the code either manually or via the harness. To avoid this loop, I ended up creating Bento, a single HTML file with everything you need in a slide tool including animations and shared editing. There's no install or cloud login, everything works offline. The default deck is around 560 KB and it doesn't need to fetch anything once you got it. Open it in a browser and then you can…

  Dev tools · Jul 2026 · bento.page

• 
  Getting GLM 5.2 running on my slow computer▲937

  A few days ago I found myself trying out GLM 5.2 and was really positively impressed. The capabilities and security I was getting from this LLM are similar to those I've gotten from models like Claude or GPT, and this really surprised me. But then I thought, "I wonder how it would work on a normal computer like mine," and above all, "I wonder if it would work without going into OOM on a computer like mine." So I started working with the help of agents to test this possibility. I started converting the model to int4, understanding MTP usage, and if possible implementing DSA for long context.…

  AI · Jul 2026 · github.com

• 
  OpenSEO▲928

  Hello! For the last 2 months, I've been building OpenSEO. It's a user friendly UI wrapping the DataForSEO API which has high quality SEO data for keywords, backlinks, AI SEO and competitor research. Instead of paying $100+ per month, you buy DataForSEO credits and pay only for usage. The coolest thing about the project so far has been hearing about what people are building on top of it. People are using coding agents to quickly integrate with Google Search Console, Google Ads and building their own AI SEO and reporting features. Many were already building their own custom solutions around…

  Dev tools · Jul 2026 · openseo.so