Every tool. Ready when duty calls.
Fast, free, privacy-friendly online tools. Most run entirely in your browser, with no uploads and no sign-up.
Popular tools
Browse all →Format, validate and minify JSON instantly.
Open toolCount words, unique words, paragraphs and reading time.
Open toolConvert text to UPPERCASE, lowercase, Title Case or Sentence case.
Open toolEncode text to Base64 or decode Base64 back to text.
Open toolCreate strong, random passwords with custom rules.
Open toolWork out percentages and ratios quickly.
Open toolGenerate random v4 UUIDs in bulk.
Open toolGenerate MD5, SHA-1, SHA-2 and SHA-3 hashes from any text.
Open toolBrowse by category
Create personalized festival, birthday and occasion greetings to download or share.
Count, clean, convert and transform text.
Format, encode and debug for developers.
Convert between units, formats and values.
Generate passwords, UUIDs, tokens, mock data and more.
Create, resize and convert images, icons and favicons.
Build gradients, shadows, easing curves and colour palettes for the web.
Merge, split, rotate, convert and edit PDF files right in your browser.
Solve everyday, scientific and number problems with accurate calculators.
Calculate ages, dates, durations, working days and time zones.
Calculate BMI, calories, body fat, ideal weight and other health numbers.
Calculate loans, interest, investments, discounts, taxes and everyday money problems.
Generate hashes, passwords, tokens and work with JWTs and ciphers.
Learn touch typing, test your speed and type any language phonetically.
Calculate grades, plan study, create learning material and manage classroom work.
Build applications, prepare for interviews, compare offers and manage your job search.
Create captions, hashtags, bios, video copy and organized content plans.
Create commercial documents, calculate pricing and plan practical marketing work.
Timers, a stopwatch, Pomodoro, an alarm, a notepad and a to-do list.
Spin a wheel, roll dice, flip a coin, pick teams and make random decisions.
Play word, math, logic, memory and classic browser games.
Check public IP details, DNS, WHOIS, ASN, subnets and CIDR ranges.
Build robots.txt, redirects, meta tags, UTM links and structured data.
Free online tools for everyday tasks
ToolsOnDuty is a growing collection of free online developer, text, calculator, converter, date and finance tools. Instead of installing apps or juggling a dozen websites, you get fast, focused utilities that do one job well, all in one place.
Format and validate JSON, encode Base64, count and clean text, generate secure passwords and hashes, calculate percentages, loans and dates, and convert colours, numbers and units. Each tool comes with a clear explanation, examples and answers to common questions, so you can get the result you need and understand how it works.
Most tools run entirely in your browser, which keeps them fast and private. There is no sign-up and no paywall, so you can use everything for free, as often as you like.
Why use ToolsOnDuty?
Every tool is free with no paywalls, trials or hidden limits.
Start using any tool instantly. No account or email required.
Most tools run in your browser, so your data stays on your device.
Clean, focused pages that load quickly and get out of your way.
Browser-based tools process your input locally, with nothing sent to a server.
Each tool includes clear steps, examples and answers to common questions.
