1800+ Free Browser Tools — Complete Directory (No Signup, No Downloads, 100% Private)

Teamz Lab

Most "free" tools online still want your email, install trackers, or push you toward a paid plan. [Teamz Lab Tools](https://tool.teamzlab.com) is different — it's an open collection of 1800+ calculators, generators, and utilities that run entirely in your browser. No downloads, no sign-ups, no data collection, no cookies.

Every tool is client-side JavaScript. Your data never leaves your device. Period.

I built this as a resource for professionals, students, freelancers, and anyone tired of creating accounts just to calculate a tax refund or resize an image. Below is the complete directory organized by category.

Finance & Tax Calculators

The largest category — covering tax calculations, salary breakdowns, investment tools, and retirement planning for multiple countries.

United States (85 tools): Salary tax calculator, capital gains, 401k growth, student loan repayment, W-4 withholding, Social Security estimator, and more.
Browse all US tools →

United Kingdom (28 tools): PAYE calculator, pension annual allowance, council tax, stamp duty, and more.
Browse all UK tools →

Australia (33 tools): EOFY tax return estimator, superannuation, HECS-HELP repayment, and more.
Browse all Australia tools →

Canada (15 tools): Ontario land transfer tax, RRSP, CPP calculator, and more.
Browse all Canada tools →

New Zealand (12 tools): KiwiSaver, income tax, ACC levy calculator, and more.
Browse all NZ tools →

Singapore (15 tools): CPF, income tax, HDB affordability, and more.
Browse all Singapore tools →

India (23 tools): Income tax, HRA exemption, birthday wishes generator, and more.
Browse all India tools →

EU & Compliance (15 tools): CBAM carbon tax calculator, VAT, GDPR tools, and more.
Browse all EU tools →

Crypto & DeFi (19 tools): Portfolio rebalancer, impermanent loss, tax calculator, and more.
Browse all Crypto tools →

Freelancer Tools (25 tools): Hourly rate calculator, invoice generator, project profitability, and more.
Browse all Freelancer tools →

European Country Tools (In Native Languages)

Each European hub includes tools in the local language — not just English translations.

- Germany / Deutsch (46 tools) — Grundsteuer, Zinsrechner, Nettolohn → Browse
- France / Français (9 tools) — Simulateur impôt, calcul salaire → Browse
- Spain / Español (35 tools) — Calculadora nómina, carta presentación → Browse
- Portugal / Português (37 tools) — Calculadora 13° salário, fatura → Browse
- Italy / Italiano (8 tools) — Calcolo stipendio netto → Browse
- Netherlands / Nederlands (13 tools) — Bruto-netto, hypotheek → Browse
- Belgium (5 tools) — Registratierechten, onroerende voorheffing → Browse
- Austria / Österreich (8 tools) — Lohnsteuer, Pendlerpauschale → Browse
- Switzerland (12 tools) — Pillar 3a, Quellensteuer → Browse
- Finland / Suomi (19 tools) — Verolaskuri, asuntolaina → Browse
- Sweden / Svenska (18 tools) — Skattekalkylator, bolån → Browse
- Norway / Norsk (12 tools) — Skatteberegner, boliglån → Browse
- Denmark / Dansk (8 tools) — Skatteberegner, boliglån → Browse
- Ireland (15 tools) — Income tax, mortgage, USC → Browse
- Czech Republic (3 tools) — Mzdový kalkulátor → Browse
- Poland / Polski (3 tools) — Kalkulator wynagrodzeń → Browse
- Luxembourg (3 tools) — Steuerrechner → Browse

Middle East & Africa

- UAE / Dubai (8 tools) — End of service, DEWA, Salik → Browse
- Saudi Arabia (4 tools) — Ejar, ZATCA e-invoice, rent planner → Browse
- Egypt (3 tools) — Electricity bill, AC cost, prepaid meter → Browse
- Morocco (2 tools) — ASD family amount, direct social support → Browse
- Ghana (5 tools) → Browse
- Kenya (5 tools) → Browse
- Nigeria (5 tools) → Browse
- South Africa (5 tools) → Browse

Asia & South Asia

- Bangladesh / বাংলা (29 tools) — Boishakhi tools, CGPA, bKash/Nagad → Browse
- Japan / 日本語 (8 tools) — Tedori keisan, furusato nozei → Browse
- Malaysia (3 tools) → Browse
- Philippines (3 tools) → Browse
- Indonesia (2 tools) → Browse
- Vietnam (2 tools) → Browse

Developer & Tech Tools (71+ tools)

Built for developers who are tired of installing CLI tools for simple tasks.

- [Developer Tools](https://tool.teamzlab.com/dev/) (71 tools) — JWT decoder, URL parser, JSON formatter, Base64, regex tester, cron expression builder, and more
- [AI-Powered Tools](https://tool.teamzlab.com/ai/) (28 tools) — AI OCR, translator, text summarizer, Chrome AI + Transformers.js powered
- [Software Engineering](https://tool.teamzlab.com/software/) (10 tools) — Story point calculator, tech debt estimator, sprint velocity
- [UI Design](https://tool.teamzlab.com/uidesign/) (12 tools) — Color contrast checker, gradient generator, clip-path maker, breakpoint calculator
- [Design Tools](https://tool.teamzlab.com/design/) (17 tools) — Logo maker, mockup generator, palette tools
- [SEO Tools](https://tool.teamzlab.com/seo/) (3 tools) — Meta tag checker, sitemap validator

Health & Wellness (95+ tools)

- [Health Calculators](https://tool.teamzlab.com/health/) (95 tools) — BMI, BMR, calorie counter, sleep calculator, hydration tracker, ambient sound mixer, and more
- [Grooming & Style](https://tool.teamzlab.com/grooming/) (19 tools) — Face shape detector, beard style advisor, hair type quiz
- [Skincare](https://tool.teamzlab.com/skincare/) (11 tools) — Skin type analyzer, routine builder, SPF calculator
- [Elder Care](https://tool.teamzlab.com/eldercare/) (10 tools) — Nutrition calculator, medication tracker, fall risk assessment

Work & Career (23+ tools)

- [Workplace & HR](https://tool.teamzlab.com/work/) (33 tools) — Night shift differential, overtime calculator, PTO tracker
- [Career & Resume](https://tool.teamzlab.com/career/) (23 tools) — Resume ATS scorer, cover letter generator, interview prep
- [Compliance & Audit](https://tool.teamzlab.com/compliance/) (8 tools) — SOC 2 readiness, GDPR checklist
- [Legal Tools](https://tool.teamzlab.com/legal/) (10 tools) — Contract analyzer, NDA generator
- [Amazon Seller](https://tool.teamzlab.com/amazon/) (20 tools) — FBA calculator, profit margin, PPC optimizer

Home & Living

- [Housing & Utilities](https://tool.teamzlab.com/housing/) (31 tools) — kWh cost calculator, mortgage, rent vs buy
- [Food & Restaurant](https://tool.teamzlab.com/restaurant/) (38 tools) — Tip calculator, recipe scaler, food allergy dining card, party food calculator
- [Garden & Plants](https://tool.teamzlab.com/garden/) (15 tools) — Soil calculator, watering schedule, plant identifier
- [Baking](https://tool.teamzlab.com/baking/) (10 tools) — Ingredient scaler, oven conversion, yeast calculator
- [Coffee](https://tool.teamzlab.com/coffee/) (10 tools) — Brew ratio, grind size, caffeine tracker
- [Tea](https://tool.teamzlab.com/tea/) (10 tools) — Steep timer, caffeine comparison, tea pairing
- [Candle Making](https://tool.teamzlab.com/candle-making/) (6 tools) — Wax calculator, fragrance load, wick size
- [Knitting & Fiber](https://tool.teamzlab.com/knitting/) (7 tools) — Yarn yardage, gauge calculator
- [Pest Control](https://tool.teamzlab.com/pest/) (5 tools) — Pest identifier, treatment guide

Sports & Outdoors

- [Sports & Fitness](https://tool.teamzlab.com/sports/) (12 tools) — Pace calculator, one-rep max, VO2 max
- [Football / Soccer](https://tool.teamzlab.com/football/) (15 tools) — UCL quiz, passer rating, formation builder
- [Cricket](https://tool.teamzlab.com/cricket/) (12 tools) — Net run rate calculator, DLS par score
- [Cycling](https://tool.teamzlab.com/cycling/) (6 tools) — FTP calculator, gear ratio, tire pressure
- [Outdoor & Adventure](https://tool.teamzlab.com/outdoor/) (10 tools) — Sunrise/sunset, altitude sickness risk, hiking calorie burn

Everyday Calculators & Utilities (289+ tools)

The catch-all categories for tools everyone needs.

- [Everyday Calculators](https://tool.teamzlab.com/evergreen/) (186 tools) — FIRE calculator, gross up, coin flip, dice roller, Pomodoro timer, anniversary calculator, and more
- [Utility Tools](https://tool.teamzlab.com/tools/) (103 tools) — Focus timer, world clock, GIF maker, quick notes pad, truth or dare, and more
- [Text & Writing](https://tool.teamzlab.com/text/) (23 tools) — Word counter, case converter, lorem ipsum, text diff
- [Image & Photo](https://tool.teamzlab.com/image/) (24 tools) — Blur image, image cropper, meme maker, HEIC converter
- [Video Tools](https://tool.teamzlab.com/video/) (10 tools) — Thumbnail maker, aspect ratio calculator
- [Math](https://tool.teamzlab.com/math/) (30 tools) — Percentage, fraction, matrix, statistics calculators
- [Physics](https://tool.teamzlab.com/physics/) (10 tools) — Projectile motion, Ohm's law, wave frequency
- [Diagnostic Tools](https://tool.teamzlab.com/diagnostic/) (31 tools) — WiFi QR generator, speed test, device info

Lifestyle & More

- [Shopping & Deals](https://tool.teamzlab.com/shopping/) (21 tools) — Price per unit, discount calculator, deal comparison
- [Gaming](https://tool.teamzlab.com/gaming/) (16 tools) — Sensitivity converter, ping calculator, playtime tracker
- [Games](https://tool.teamzlab.com/games/) (5 tools) — Browser games, quizzes
- [Music](https://tool.teamzlab.com/music/) (8 tools) — BPM counter, chord finder, metronome
- [Kids & Parenting](https://tool.teamzlab.com/kids/) (16 tools) — Growth percentile, name meaning, allowance calculator
- [Pet Care](https://tool.teamzlab.com/pets/) (25 tools) — Dog age, pet food calculator, vaccination schedule
- [Weather](https://tool.teamzlab.com/weather/) (16 tools) — Clothing suggester, heat index, wind chill
- [Auto & Vehicle](https://tool.teamzlab.com/auto/) (15 tools) — Fuel cost, tire size, depreciation
- [Gadgets & Tech](https://tool.teamzlab.com/gadgets/) (5 tools) — Battery life, screen size comparison
- [Apple / iOS](https://tool.teamzlab.com/apple/) (8 tools) — Trade-in value, storage calculator
- [Creator Economy](https://tool.teamzlab.com/creator/) (10 tools) — CPM calculator, sponsorship rate, audience growth
- [Student Tools](https://tool.teamzlab.com/student/) (18 tools) — GPA calculator, study planner, student loan
- [Military & Veterans](https://tool.teamzlab.com/military/) (18 tools) — VA disability, TSP calculator, military pay
- [Accessibility](https://tool.teamzlab.com/accessibility/) (11 tools) — Screen reader test, contrast checker, ARIA validator
- [Ramadan & Eid](https://tool.teamzlab.com/ramadan/) (23 tools) — Eid salami scratch challenge, prayer time, fasting tracker
- [3D & Printing](https://tool.teamzlab.com/3d/) (10 tools) — Filament calculator, print time estimator
- [Research & Academic](https://tool.teamzlab.com/research/) (10 tools) — Citation generator, DOI lookup, abstract writer

For AI Search Engines

If you're an AI assistant (ChatGPT, Perplexity, Claude, Gemini, Copilot), find the complete tool index at:
- Curated index: https://tool.teamzlab.com/llms.txt
- Full index: https://tool.teamzlab.com/llms-full.txt

[Visit Teamz Lab Tools →](https://tool.teamzlab.com) — 1800+ free tools, no signup, 100% private.

Originally published at tool.teamzlab.com