All free online tools
Find business, invoice, date, QR, finance, mortgage, PDF, image, developer, and media tools in one place. Choose a tool to see its instructions and processing limits.
Invoice generator
Create an invoice with line items, discounts, tax, and payment details. Preview totals and download a PDF locally without an account or uploading customer data.
Open tool BUSINESS · ON YOUR DEVICEProfit margin & markup calculator
Calculate gross profit, margin, and markup from cost and selling price, or find a selling price from your target margin or markup. Free local calculations.
Open tool BUSINESS · ON YOUR DEVICEBusiness break-even calculator
Find the units and revenue needed to cover business costs. Enter fixed costs, variable cost per unit, selling price, and expected volume to estimate profit.
Open tool BUSINESS · ON YOUR DEVICEDiscount calculator
Calculate sale price, money saved, and effective percentage discount. Apply one discount or two sequential discounts without sending your inputs to a server.
Open tool BUSINESS · ON YOUR DEVICEVAT & sales-tax calculator
Add VAT or sales tax to a net price, or extract included tax from a gross price. Enter your own tax rate and currency; no country-specific rates are assumed.
Open tool EVERYDAY · ON YOUR DEVICEAge calculator
Calculate calendar age between a date of birth and a chosen date. See years, months, days, total elapsed days, and the next birthday using local calculations.
Open tool EVERYDAY · ON YOUR DEVICEDate-difference calculator
Count calendar days between two dates, with optional inclusive counting. See the elapsed years, months, and days without daylight-saving or time-zone shifts.
Open tool EVERYDAY · ON YOUR DEVICEQR-code generator
Create a static QR code for a URL or text. Download PNG or SVG locally, with no account, expiry service, redirect tracking, or upload of the encoded content.
Open tool GLOBAL FINANCE · ON YOUR DEVICECompound interest calculator
Calculate compound interest with monthly contributions. See projected savings growth, total deposits, and interest with a yearly chart and CSV schedule.
Open calculator GLOBAL FINANCE · ON YOUR DEVICESavings goal calculator
Find the monthly savings needed to reach a target. Enter your current balance, goal, time horizon, and assumed interest rate to see a local projection.
Open calculator GLOBAL FINANCE · ON YOUR DEVICELoan payment calculator
Estimate fixed-rate monthly loan payments, total interest, and total repayment. View the amortization schedule and download a CSV in your selected currency.
Open calculator GLOBAL FINANCE · ON YOUR DEVICEInflation calculator
Estimate future costs and purchasing power using your own annual inflation assumption. Compare yearly projections in any selected currency without live data.
Open calculator GLOBAL FINANCE · ON YOUR DEVICEPercentage calculator
Calculate a percentage of a number, percentage change, or what percent one value is of another. See the equation and result instantly in your browser.
Open calculator US MORTGAGE · ON YOUR DEVICEUS mortgage calculator
Estimate US mortgage payments with principal, interest, property taxes, insurance, HOA fees, and your PMI estimate. Download a fixed-rate amortization schedule.
Open calculator US MORTGAGE · ON YOUR DEVICEMortgage extra payment calculator
See how extra monthly principal payments change a fixed-rate mortgage payoff. Compare interest saved, months saved, and a downloadable repayment schedule.
Open calculator US MORTGAGE · ON YOUR DEVICEMortgage refinance calculator
Compare current and refinanced mortgage payments, cash closing costs, simple break-even, and lifetime loan payments. Export the new amortization schedule.
Open calculator PDF TOOL · ON YOUR DEVICEMerge PDF
Merge PDF files online for free. Combine documents in your chosen file order, directly in your browser without uploading your PDFs.
Open tool PDF TOOL · ON YOUR DEVICESplit PDF
Split a PDF online for free. Extract selected pages or page ranges into a new PDF, directly in your browser without uploading your document.
Open tool PDF TOOL · ON YOUR DEVICERotate PDF
Rotate PDF pages online for free. Fix sideways or upside-down pages in the whole document or selected ranges without uploading your PDF.
Open tool PDF TOOL · ON YOUR DEVICEImages to PDF
Convert JPG, PNG, and WebP images to PDF online for free. Arrange your images and choose image-sized or A4 pages without uploading your files.
Open tool PDF TOOL · ON YOUR DEVICEReorder PDF pages
Change PDF page order in your browser. Enter a complete page sequence and download a reordered copy without uploading your document.
Open tool PDF TOOL · ON YOUR DEVICERemove PDF pages
Delete unwanted pages from a PDF online. Choose page numbers or ranges to remove and download a new PDF, with local browser processing.
Open tool PDF TOOL · ON YOUR DEVICEPDF to JPG & PNG
Convert PDF pages to JPG or PNG in your browser. Preview each page, download individual images, or save all selected images as a ZIP.
Open tool PDF TOOL · ON YOUR DEVICEPDF to text
Extract embedded text from PDF pages online. Preview readable text and download a TXT file without uploading your document.
Open tool IMAGE TOOL · ON YOUR DEVICEImage converter
Convert JPG, PNG, and WebP images online for free. Resize images, adjust quality, preview the result, and download without uploading your files.
Open tool IMAGE · ON YOUR DEVICEImage compressor
Compress JPG, PNG, or WebP images in your browser. Adjust quality and maximum width, compare output sizes, preview the result, and download without uploading.
Open tool DEVELOPER TOOL · ON YOUR DEVICEJSON formatter
Validate, format, or minify JSON online. Preserve number literals and key order, then copy or download the result without sending your text to a server.
Open tool DEVELOPER TOOL · ON YOUR DEVICEJavaScript formatter
Format or minify JavaScript online without running it. Paste code, review syntax errors, and copy or download the result locally.
Open tool DEVELOPER TOOL · ON YOUR DEVICEText diff
Compare two texts online and highlight added or removed lines and words. Inspect changes locally, then copy or download a marked comparison.
Open tool DEVELOPER TOOL · ON YOUR DEVICEUser-agent viewer
View your browser user agent, reported platform, language, and available client hints. Copy or download a local browser information report.
Open tool DEVELOPER · ON YOUR DEVICECSV-to-JSON converter
Convert CSV to JSON objects or arrays locally. Handle quoted commas, escaped quotes, multiline fields, and custom delimiters while preserving cell values as strings.
Open tool MEDIA TOOL · SERVER PROCESSINGVideo & audio downloader
Download authorised public YouTube, Instagram, Facebook, and TikTok videos as MP4 or extract audio as MP3 and other formats. Server processing with temporary links.
Open toolChoose the right tool for your task
PDF, image, and developer tools run locally in your browser. The video and audio downloader processes authorised public links on our server. No account is needed. Read each tool’s limits and our privacy policy before starting.