Document cleanup workflow
Start with PDF Merger or PDF Splitter, reduce file size with PDF Compressor, then convert pages or images only when the receiving platform requires a different format.
Home/Free Online Tools
Free browser tools
Free Online Tools - No Sign-Up, Instant Results
Use 141 practical calculators and converters for PDFs, images, finance, writing, code, health, home projects and everyday work. Search, open a tool, enter your values, then copy or download the result in your browser.
Total tools141
Categories9
CostFree
Useful workflows, not just a list of links
QuickCalc Tools is organized around practical browser tasks. The same visitor might need to merge a PDF, shrink the file, count proposal copy and calculate a project budget before sending one final packet.
Image publishing workflow
Compress large product photos, convert them to the format your CMS accepts, remove simple backgrounds when useful, then check the final image before publishing.
Money planning workflow
Compare mortgage payments, rent versus buy assumptions, compound growth and debt payoff changes before making a larger financial decision.
Writing and data workflow
Count copy length, check readability, format JSON and create citations before sending content to a client, class, CMS or development project.
Most Popular Tools
Start with high-traffic tools people use every day.
File ToolsPDF MergerMerge multiple PDF files into one. Drag to reorder pages, combine unlimited PDFs free. No sign-up, no watermarks, works in your browser.Use Tool ->File ToolsPDF CompressorCompress PDF files online free. Reduce PDF size by up to 70% without losing quality. No upload to server — compresses in your browser.Use Tool ->FinanceMortgage CalculatorCalculate mortgage payments free. See monthly payment breakdown, total interest, and full amortization schedule. Enter home price, rate & term.Use Tool ->File ToolsImage to PDF ConverterConvert JPG, PNG, WebP images to PDF free online. Add multiple images, reorder them, choose page size. No sign-up, no watermark.Use Tool ->Text & WritingWord CounterCount words and characters free. Paste your text to see word count, character count, sentence count, reading time, and keyword density.Use Tool ->Health & LifeBMI CalculatorCalculate your BMI (Body Mass Index) free. Supports metric and imperial units. See healthy weight range and BMI category.Use Tool ->
All Free Tools
Every tool is listed here by default. Use search or category filters only when you want to narrow the list.
141 / 141 tools shown
File ToolsPDF to Word ConverterConvert PDF to Word (.docx) free online. No email required, no file size tricks. Upload your PDF and download editable Word file instantly.Use Tool ->File ToolsPDF MergerMerge multiple PDF files into one. Drag to reorder pages, combine unlimited PDFs free. No sign-up, no watermarks, works in your browser.Use Tool ->File ToolsPDF CompressorCompress PDF files online free. Reduce PDF size by up to 70% without losing quality. No upload to server — compresses in your browser.Use Tool ->File ToolsPDF SplitterSplit PDF files online free. Extract specific pages, split by range, or divide into equal parts. Download as individual PDFs or ZIP.Use Tool ->File ToolsImage to PDF ConverterConvert JPG, PNG, WebP images to PDF free online. Add multiple images, reorder them, choose page size. No sign-up, no watermark.Use Tool ->File ToolsImage to Text OCRExtract text from images free with OCR. Upload JPG, PNG, or screenshot — get editable text instantly. Supports English, Spanish, French and more.Use Tool ->Image ToolsBackground RemoverRemove image background free with AI. Upload JPG or PNG — background removed instantly in your browser. No sign-up, no watermark.Use Tool ->Image ToolsImage CompressorCompress images online free. Reduce JPG, PNG, WebP file size without losing quality. Batch compress up to 20 images at once.Use Tool ->Image ToolsImage Format ConverterConvert images between JPG, PNG, WebP, GIF formats free online. Batch convert, resize, and download. No sign-up required.Use Tool ->Image ToolsHEIC to JPG ConverterConvert HEIC photos to JPG free online. Works on Windows, Mac, Android. Convert iPhone HEIC files without any software install.Use Tool ->FinanceMortgage CalculatorCalculate mortgage payments free. See monthly payment breakdown, total interest, and full amortization schedule. Enter home price, rate & term.Use Tool ->FinancePaycheck CalculatorCalculate your take-home pay after federal and state taxes. US paycheck calculator for 2025. All 50 states, multiple pay frequencies.Use Tool ->FinanceCompound Interest CalculatorCalculate compound interest free. See how your investment grows over time with this interactive compound interest calculator. Chart included.Use Tool ->FinanceDebt Payoff CalculatorCalculate how to pay off debt faster. Compare avalanche vs snowball method. See exact payoff date and total interest saved.Use Tool ->FinanceRent vs Buy CalculatorShould you rent or buy a home? Our rent vs buy calculator shows break-even point, total costs, and equity built over time.Use Tool ->FinanceTip CalculatorCalculate tip and split bill instantly. Choose tip percentage, split between any number of people. Free tip calculator for restaurants.Use Tool ->FinanceDiscount CalculatorCalculate discounted price instantly. Enter original price and discount percentage — see sale price and how much you save.Use Tool ->FinanceProfit Margin CalculatorCalculate profit margin, markup, and gross profit free. Enter cost and revenue to instantly see gross margin, net margin, and markup percentage.Use Tool ->Media HelpersTikTok URL Safety CheckerPaste a public TikTok URL to check the link type, open the original page, and copy an attribution note. This safe helper does not bypass watermarks, private videos, DRM, or creator rights.Use Tool ->Media HelpersYouTube URL Safety CheckerPaste a YouTube URL to identify videos or Shorts, open the original page, and copy a source note. This safe helper does not store videos, rip audio, or bypass Terms of Service.Use Tool ->Media HelpersInstagram URL Safety CheckerPaste a public Instagram link for reels, posts, stories, or carousel-style URLs. Open the original page and copy attribution notes without bypassing private accounts or creator rights.Use Tool ->Text & WritingWord CounterCount words and characters free. Paste your text to see word count, character count, sentence count, reading time, and keyword density.Use Tool ->Text & WritingReading Level CheckerCheck reading level of any text free. Calculates Flesch-Kincaid grade level, reading ease score, Gunning Fog index, and more readability scores.Use Tool ->Text & WritingFree Resume BuilderBuild a professional resume free online. Choose from 3 templates, fill in your info, and download as PDF instantly. No sign-up required.Use Tool ->Text & WritingCover Letter GeneratorGenerate a professional cover letter free with AI. Paste the job description, enter your experience, choose your tone — get a custom cover letter instantly.Use Tool ->UtilitiesQR Code GeneratorGenerate QR codes free online. Create QR codes for URLs, text, WiFi, email, phone, and vCards. Customize colors and download PNG or SVG.Use Tool ->UtilitiesPassword GeneratorGenerate strong, secure random passwords free. Choose length, character types, and complexity. Uses cryptographically secure randomness.Use Tool ->UtilitiesUnit ConverterFree unit converter online. Convert length, weight, temperature, volume, speed, area, and 10 more unit types. Instant results.Use Tool ->UtilitiesTime Zone ConverterConvert time between time zones free. Add cities, see current time worldwide, plan meetings across time zones. DST-aware.Use Tool ->UtilitiesPercentage CalculatorCalculate percentages free online. What is X% of Y? What percent is X of Y? Percentage increase/decrease calculator.Use Tool ->UtilitiesCountdown TimerCreate a countdown timer for any event free. Set your target date and see days, hours, minutes, seconds counting down in real time.Use Tool ->UtilitiesPomodoro TimerFree Pomodoro timer online. 25-minute focus sessions with 5-minute breaks. Track your sessions, customize intervals, and boost productivity.Use Tool ->UtilitiesURL ShortenerShorten URLs free online. Paste any long link and get a short URL instantly. No sign-up. Includes QR code for every shortened link.Use Tool ->UtilitiesText Case ConverterConvert text between uppercase, lowercase, title case, camelCase, snake_case, and more. Free online text case converter tool.Use Tool ->FinanceRetirement CalculatorCalculate how much you need to retire. Enter your savings, contributions, and retirement age to see if you're on track.Use Tool ->FinanceFree Invoice GeneratorCreate professional invoices free online. Add your logo, line items, tax, and discount. Download as PDF. No sign-up required.Use Tool ->DeveloperJSON Formatter & ValidatorFormat, beautify, and validate JSON online free. Pretty-print JSON with 2 or 4-space indent. Check JSON validity and view JSON tree structure.Use Tool ->DeveloperBase64 Encoder DecoderEncode and decode Base64 online free. Convert text, images, or files to Base64. URL-safe Base64 option available.Use Tool ->DeveloperRegex TesterTest and debug regular expressions online free. Real-time match highlighting, capture groups, replace mode, and common regex patterns library.Use Tool ->DeveloperColor Picker & ConverterPick colors and convert between HEX, RGB, HSL, and HSB free. Generate color palettes, find complementary colors, and copy CSS values.Use Tool ->Health & LifeBMI CalculatorCalculate your BMI (Body Mass Index) free. Supports metric and imperial units. See healthy weight range and BMI category.Use Tool ->Health & LifeTDEE CalculatorCalculate your TDEE (Total Daily Energy Expenditure) free. Find your maintenance calories and macros for weight loss or muscle gain.Use Tool ->Health & LifeBody Fat Percentage CalculatorCalculate body fat percentage free using the Navy method or BMI method. Enter height, weight, and measurements to find your body fat %.Use Tool ->Health & LifeRunning Pace CalculatorCalculate running pace, finish time, and distance free. Marathon, half marathon, 5K pace calculator. Enter any two values to calculate the third.Use Tool ->Health & LifeSleep CalculatorCalculate the best time to wake up or go to sleep based on 90-minute sleep cycles. Wake up feeling refreshed, not groggy.Use Tool ->Health & LifeAge CalculatorCalculate your exact age free. See your age in years, months, days, hours, and minutes. Find out days until your next birthday.Use Tool ->Health & LifePregnancy Due Date CalculatorCalculate your pregnancy due date free. Enter your last period date or conception date to find your estimated due date and pregnancy week.Use Tool ->Health & LifeCalorie CalculatorCalculate daily calorie needs free. Based on Mifflin-St Jeor formula. Find calories for weight loss, maintenance, or muscle gain with macro breakdown.Use Tool ->Home & NicheConcrete CalculatorCalculate how much concrete you need free. Enter dimensions for slab, footing, or column — see cubic yards, cubic feet, and number of bags.Use Tool ->Home & NicheGravel CalculatorCalculate how much gravel, crushed stone, or pea gravel you need free. Enter area and depth to find cubic yards and tons.Use Tool ->Home & NicheMulch CalculatorCalculate how much mulch you need free. Enter garden bed area and depth to find cubic yards and number of bags. Free mulch calculator.Use Tool ->Home & NichePaint CalculatorCalculate how much paint you need for a room free. Enter wall dimensions, number of coats, and see exact gallons needed.Use Tool ->Home & NicheWind Chill CalculatorCalculate wind chill (feels like temperature) free. Enter air temperature and wind speed to find how cold it actually feels outside.Use Tool ->Home & NicheArmy Body Fat CalculatorCalculate US Army body fat percentage free using the official circumference method. Check if you meet Army, Navy, Air Force, and Marine standards.Use Tool ->Home & NicheBra Size CalculatorCalculate your bra size free using our accurate bra size calculator. Enter your measurements to find band size, cup size, and sister sizes.Use Tool ->Home & NicheDog Age CalculatorConvert dog years to human years free. Enter your dog's age and breed size for an accurate dog-to-human age calculation.Use Tool ->Home & NicheScientific Notation ConverterConvert numbers to and from scientific notation free. Enter a number or scientific notation expression to convert instantly.Use Tool ->Home & NicheDew Point CalculatorCalculate dew point temperature free. Enter air temperature and relative humidity to find the dew point and comfort level.Use Tool ->Home & NicheTyping Speed TestTest your typing speed free. Measure WPM (words per minute) and accuracy in 1, 2, or 5 minutes. Get instant results and track improvement.Use Tool ->Home & NicheEtsy Fee CalculatorCalculate Etsy seller fees and actual profit free. Enter your item price and see exactly what Etsy takes and what you keep.Use Tool ->Home & NicheSyllable CounterCount syllables in any word or text free. Perfect for writing haiku, poetry, and song lyrics. Instant syllable count for any word.Use Tool ->Home & NicheCitation GeneratorGenerate citations free in APA, MLA, and Chicago style. Enter book, website, or article info and get a properly formatted citation instantly.Use Tool ->Home & NicheGPA CalculatorCalculate your GPA free online. Add courses, grades, and credit hours to find your semester and cumulative GPA. Supports 4.0 scale.Use Tool ->Home & NicheRecipe ConverterScale any recipe up or down free. Enter original servings and desired servings — all ingredient amounts are automatically recalculated.Use Tool ->Home & NicheCubic Yard CalculatorCalculate cubic yards free online. Enter length, width, and depth in feet or inches to convert to cubic yards instantly.Use Tool ->Home & NicheSlope CalculatorCalculate slope, grade percentage, and angle free. Enter rise and run to find slope for construction, landscaping, or roofing.Use Tool ->Home & NicheElectricity Cost CalculatorCalculate electricity costs for any appliance free. Enter wattage and usage hours to find daily, monthly, and annual electricity costs.Use Tool ->Home & NicheABV CalculatorCalculate ABV (alcohol by volume) for homebrewed beer, wine, or cider free. Enter original gravity and final gravity to find alcohol percentage.Use Tool ->Home & NicheLife Path Number CalculatorCalculate your life path number free. Enter your birth date to discover your numerology life path number and its meaning.Use Tool ->Home & NicheZodiac CompatibilityCheck zodiac compatibility free. Enter two star signs to see love, friendship, and communication compatibility scores.Use Tool ->FinanceCar Loan CalculatorCalculate monthly car loan payments, total interest, sales tax, fees, down payment and trade-in value. Compare auto loan terms instantly.Use Tool ->FinanceLoan CalculatorCalculate loan payments, total interest and payoff schedules for personal loans, student loans, business loans and installment debt.Use Tool ->FinanceSales Tax CalculatorAdd sales tax to a price or reverse tax from a total. Calculate tax amount, pre-tax price and final price instantly.Use Tool ->FinanceVAT CalculatorAdd VAT to a net price or remove VAT from a gross price. Calculate VAT amount, net price and gross price for invoices and shopping.Use Tool ->FinanceSocial Security CalculatorEstimate monthly Social Security retirement benefits from income, work years and claiming age. Compare early, full and delayed retirement.Use Tool ->FinanceSavings Goal CalculatorCalculate how much to save each month to reach a target amount, or how long it will take with current savings and expected returns.Use Tool ->FinanceCurrency ConverterConvert money between currencies using your own exchange rate. Include bank fees or card fees to estimate the real received amount.Use Tool ->FinanceHourly to Salary CalculatorConvert hourly wage to weekly, monthly and annual salary. Include overtime, unpaid time off and work weeks per year.Use Tool ->Home & NicheSolar Panel CalculatorEstimate solar system size, number of panels, installation cost, annual savings and payback period from electricity use and sun hours.Use Tool ->Text & WritingFree Contract GeneratorGenerate a simple service agreement or freelance contract draft with parties, scope, payment terms, dates and jurisdiction.Use Tool ->FinanceCredit Card Payoff CalculatorCalculate how long it will take to pay off credit card debt, total interest paid, and how extra payments shorten your payoff timeline.Use Tool ->FinanceAPR CalculatorEstimate APR from loan amount, interest rate, fees and term. Compare nominal rate with the true annual percentage rate.Use Tool ->FinanceROI CalculatorCalculate ROI, net profit, annualized return and break-even return for investments, marketing campaigns and business decisions.Use Tool ->FinanceBreak Even CalculatorFind your break-even units, revenue, contribution margin and profit target for products, services and small business planning.Use Tool ->FinanceInflation CalculatorEstimate how inflation changes purchasing power over time. Calculate future cost, real value and average annual inflation impact.Use Tool ->FinanceBudget CalculatorBuild a monthly budget using income, taxes, fixed costs, flexible spending and savings goals. Compare your plan with the 50/30/20 rule.Use Tool ->FinanceBusiness Loan CalculatorEstimate business loan payments, total interest, origination fees and debt service coverage ratio for small business financing.Use Tool ->FinanceAuto Lease CalculatorEstimate monthly auto lease payments from MSRP, selling price, residual value, money factor, tax, fees and down payment.Use Tool ->FinancePayPal Fee CalculatorCalculate PayPal-style transaction fees, net received amount and how much to charge so you receive a target amount after fees.Use Tool ->FinanceSales Commission CalculatorCalculate sales commission from revenue, quota, base salary, commission rate and tiered accelerators.Use Tool ->UtilitiesUTM BuilderBuild campaign tracking URLs with UTM source, medium, campaign, term and content parameters. Copy a clean marketing URL instantly.Use Tool ->DeveloperMeta Tag GeneratorGenerate SEO meta tags, Open Graph tags and Twitter card tags from a title, description, canonical URL and image URL.Use Tool ->DeveloperRobots.txt GeneratorGenerate a robots.txt file with allow, disallow, sitemap and crawl-delay directives for search engine crawler guidance.Use Tool ->DeveloperXML Sitemap GeneratorCreate a simple XML sitemap from a list of URLs with optional lastmod, changefreq and priority fields.Use Tool ->DeveloperHTML MinifierMinify HTML by removing comments, extra whitespace and line breaks. Compare original and compressed size instantly.Use Tool ->DeveloperCSS MinifierMinify CSS by removing comments, unnecessary spaces and line breaks. Get smaller stylesheets for production use.Use Tool ->DeveloperJavaScript MinifierMinify simple JavaScript by removing comments and extra whitespace. Compare original and compressed size in the browser.Use Tool ->Text & WritingMarkdown to HTML ConverterConvert Markdown headings, lists, links, emphasis, code and paragraphs into clean HTML that you can copy.Use Tool ->Text & WritingLorem Ipsum GeneratorGenerate placeholder paragraphs, sentences or words for mockups, layouts, product pages and design drafts.Use Tool ->Text & WritingSlug GeneratorTurn titles and phrases into clean SEO-friendly URL slugs. Remove symbols, lowercase text and choose separators.Use Tool ->File ToolsWord to PDF ConverterCreate a clean PDF from pasted Word-style text. Add a title, choose page size and download a browser-generated PDF.Use Tool ->Text & WritingRhyme GeneratorFind quick rhyming word ideas for poems, song lyrics, captions and creative writing drafts.Use Tool ->Text & WritingWriting Prompts GeneratorGenerate writing prompts for stories, essays, journals, poems and creative practice with genre and tone controls.Use Tool ->Home & NicheGrade CalculatorCalculate weighted course grades and estimate the final exam score needed to reach a target grade.Use Tool ->Home & NicheStudy PlannerCreate a simple study schedule by exam date, subject list, available study hours and priority.Use Tool ->Home & NicheTopsoil CalculatorCalculate topsoil volume for garden beds and lawns. See cubic yards, cubic feet, bags and estimated tons.Use Tool ->Home & NicheFence CalculatorEstimate fence posts, panels, rails and pickets from perimeter, gate width and spacing.Use Tool ->Home & NicheStair CalculatorCalculate stair risers, tread depth, total run, stair angle and common comfort checks.Use Tool ->Home & NicheLove CalculatorCheck a fun name compatibility score with playful notes for romance, friendship and communication.Use Tool ->Health & LifeBirthday History ToolEnter a birthday to see weekday, exact age, next birthday countdown, zodiac sign and milestone dates.Use Tool ->DeveloperHash GeneratorGenerate browser-side SHA-256, SHA-1 and quick checksum values from text or small files.Use Tool ->DeveloperURL EncoderEncode and decode URLs, query strings and URI components instantly in your browser.Use Tool ->UtilitiesBarcode GeneratorCreate a simple CODE39 barcode from letters and numbers, preview it and download a PNG.Use Tool ->UtilitiesTemperature ConverterConvert Celsius, Fahrenheit, Kelvin and Rankine values with instant formula notes.Use Tool ->UtilitiesScientific CalculatorCalculate expressions with powers, square roots, trigonometry, logarithms and constants.Use Tool ->UtilitiesTask ListTurn pasted tasks into a prioritized checklist with due dates, progress and a copyable plan.Use Tool ->Text & WritingFind and Replace ToolFind text, replace matches, use case sensitivity or regular expressions and copy the cleaned output.Use Tool ->DeveloperHEX to RGB ConverterConvert HEX colors to RGB, HSL and CSS variables with a live swatch preview.Use Tool ->DeveloperCSS Gradient GeneratorBuild a CSS linear gradient with colors, angle, preview and copy-ready CSS.Use Tool ->Image ToolsFavicon GeneratorCreate simple favicon PNG files from text, color and shape settings. Download common icon sizes.Use Tool ->FinanceTax CalculatorCalculate sales tax, discounts, shipping, inclusive tax and final totals for invoices, shopping carts and estimates.Use Tool ->UtilitiesLink in Bio GeneratorGenerate a clean link-in-bio HTML page from your profile name, bio and social or product links.Use Tool ->Health & LifeOvulation CalculatorEstimate ovulation date, fertile window and next period from last period date and cycle length.Use Tool ->Home & NicheRaised Bed Soil CalculatorCalculate soil volume, bag count and common raised bed mix ratios from bed dimensions.Use Tool ->Home & NicheFlooring CalculatorEstimate flooring square footage, boxes, waste allowance and material cost for a room or project.Use Tool ->Home & NicheWallpaper CalculatorCalculate wallpaper rolls from room dimensions, roll size, doors, windows and waste allowance.Use Tool ->Home & NicheSnow Day CalculatorEstimate a fun snow day chance from forecast snow, temperature, wind, road timing and school strictness.Use Tool ->Home & NicheWeather CalculatorCalculate heat index, wind chill, dew point and comfort notes from temperature, humidity and wind.Use Tool ->Home & NicheRing Size ChartConvert ring sizes between US, UK and EU systems using diameter and circumference measurements.Use Tool ->Home & NicheShoe Size ConverterConvert shoe sizes between US, UK, EU, JP and foot length for men, women and kids.Use Tool ->Image ToolsScreenshot BeautifierUpload a screenshot, add padding, rounded corners, shadow and a gradient background, then download a polished PNG.Use Tool ->Home & NicheCat Age CalculatorConvert cat age to human years and see life stage, care notes and milestone guidance.Use Tool ->Home & NichePet Feeding CalculatorEstimate daily pet calories and food amount from species, weight, life stage, activity and food calories.Use Tool ->Health & LifeNavy Body Fat CalculatorCalculate body fat percentage with the US Navy circumference method for men and women.Use Tool ->Health & LifeSleep Cycle CalculatorFind bedtime or wake-up options based on 90-minute sleep cycles, fall-asleep time and target wake time.Use Tool ->FinanceRetirement Savings CalculatorEstimate retirement savings growth from current balance, monthly contributions, returns, inflation and retirement age.Use Tool ->Media HelpersMP3 ExtractorInspect local media files, preview audio details and prepare audio extraction notes without uploading files.Use Tool ->Media HelpersVideo CompressorEstimate compressed video size from duration, bitrate, resolution and frame rate settings.Use Tool ->Media HelpersVideo Format ConverterCheck common video formats, codecs, compatibility targets and recommended conversion settings.Use Tool ->Media HelpersAudio Size CalculatorCalculate audio file size from bitrate and duration, or estimate bitrate from file size.Use Tool ->Text & WritingPlagiarism CheckerCompare two text passages locally, highlight repeated phrases and estimate overlap without uploading your writing.Use Tool ->
Free online tools that answer fast
QuickCalc Tools helps you finish small tasks without installing software: merge files, estimate payments, count text, convert images, calculate health numbers and format everyday data in a clean browser workflow.
How It Works
- 1Choose a tool
Search or filter the directory and open the calculator, converter or file helper you need.
- 2Enter or upload
Type values, paste text or choose a file. Tool widgets are lightweight and respond immediately.
- 3Copy or download
Review the result, copy the output, reset the form or download files when the tool supports it.
Frequently Asked Questions
Are QuickCalc Tools free to use?
Yes. QuickCalc Tools provides free online calculators and converters with no account required for normal use.
Do the tools work on mobile phones?
Yes. The pages are responsive and the core tool widgets are built to work on common mobile browser widths.
Are files uploaded to a server?
Many file tools run directly in the browser. When a tool needs a browser library, it loads only what is required for that conversion.
Why does the site include advertising?
Advertising helps keep the tools free. Ad areas are labeled and kept away from the active tool controls.