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Calculate the loan amount, monthly payment, total interest and balance from property price, down payment, rate and term, fully locally.

Calculate final balance, contributions and interest from a starting amount, annual rate, term and optional recurring deposits, fully local in your browser.

Calculate amount financed, monthly payment, interest and total payments for a vehicle purchase.

Calculate how constant inflation or deflation changes prices and purchasing power over time.

Count words, characters, sentences, paragraphs, lines, reading time, and speaking time in your browser.

Extract readable plain text from Markdown, including lists, tasks, tables, code, and optional link targets.

Extract readable plain text from HTML, including entities, lists, tables, and optional link targets.

Extract the audio track from MP4 videos and save it as MP3 - entirely in your browser.

Reduce video file size directly in your browser. Choose quality, target size, resolution, frame rate and audio with no upload.

Convert short video clips into animated GIFs directly in your browser - with size, frame rate, colors and loop.

Convert MOV and QuickTime files to MP4 locally in your browser - with fast remuxing or compatible H.264/AAC output.

Extract sound from MP4, MOV, WebM or MKV videos directly in your browser. Save original audio, MP3, M4A or WAV.

Record a screen, window or browser tab directly in your browser - optionally with system audio and microphone.

Trim the beginning and end of a video directly in your browser. Choose precise or fast trimming, preview and download with no upload.

Combine multiple videos into one file in your browser. Reorder and trim clips, then download locally.

Crop the visible frame area of a video locally in your browser and download the result as MP4 or WebM.

Remove every audio track from videos directly in your browser - no upload and no video re-encoding.

Rotate a video 90° left, 90° right or 180° directly in your browser. Preview and export as MP4 or WebM.

Speed up or slow down a video locally in your browser. Choose 0.25× to 4× and export as MP4 or WebM.

Split a video into multiple files directly in your browser. Add split points or divide by duration or number of parts.

Change a video's resolution proportionally in your browser. No crop, no stretching and no upload.

Change a video's aspect ratio in your browser. Choose fit or fill, resolution, quality and audio.

Calculate percentages, parts, whole values, adjustments, and percentage changes instantly in your browser.

Enter three values and instantly solve for the fourth using direct or inverse proportion, with a clear calculation path.

Calculate the starting value, final value, and percentage change directly in your browser. Increases, decreases, and reverse calculations work without switching modes.

Enter a list of numbers and instantly see the average, sum, count, median, mode, minimum, maximum, and range.

Enter values and weights and instantly see the weighted average, weight sum, product sum, contributions, and calculation steps.

Calculate original price, discount, savings, and final price from any two values directly in your browser.

Enter a ratio and instantly simplify, normalize, scale, or split a total.

Calculate tip, total, and exact per-person split from a percentage, fixed amount, or target total.

Apply multiple percentage and fixed discounts in sequence with final price, savings, effective discount, and every intermediate step.

Crop, resize, and export images as JPG, PNG, or WebP locally in your browser.

Convert PNG files to JPG files. Transparent pixels are flattened against white.

Convert static AVIF files to JPG using browser decoding.

Convert JPG and JPEG files to PNG files for single images or small batches.

Convert PNG files to WebP. Transparency is preserved when supported by the browser encoder.

Convert static AVIF files to PNG using browser decoding.

Convert JPG and JPEG files to WebP with quality control and batch processing.

Convert static and animated GIF files to WebP locally in your browser.

Convert static PNG files to AVIF locally in your browser with quality control, lossless mode, and transparency.

Convert JPG and JPEG files to AVIF when browser AVIF encoding is supported.

Convert static WebP files to AVIF when browser AVIF encoding is supported.

Convert static AVIF files to WebP using browser decoding.

Convert BMP files to WebP using browser decoding.

Convert single-page and multi-page TIFF files to WebP locally in your browser.

Merge multiple PDF files locally in your browser into one new PDF using a custom order.

Reduce PDF file sizes locally in your browser with no upload and clear quality controls.

Convert PDF directly in your browser to editable DOCX or ODT documents. No upload.

Convert PDF pages locally without uploads to JPG images.

Split PDF files locally in the browser by pages, groups, halves, selection, or target size.

Convert PDF pages locally without uploads to PNG images.

Detect PDF tables locally and export them as a macro-free Excel workbook.

Delete pages from one or more PDF files locally in your browser and create new PDFs.

Convert PDF pages locally without uploads to JPG, PNG or WebP images.

Export PDF pages locally as PowerPoint slides - without uploads and offline after preparation.

Rotate PDF pages locally in your browser by rules, left, right, or 180 degrees.

Remove known PDF password protection directly in your browser with no upload and batch processing.

Extract embedded images from PDFs locally, preview them, and download as PNG or JPEG.

Protect PDF files directly in your browser with AES-256 encryption, no upload, and optional permissions.

Place letterhead, logos, or other PDF layers in front of or behind PDF pages.

Open, read and search local PDFs. Works offline after preparation, without uploads.

Instantly convert temperatures between Celsius, Fahrenheit, kelvin, Rankine, and four historical scales.

Enter one length and instantly convert it to metres, inches, feet, miles, nautical miles, and astronomical units.

Enter one volume and instantly convert it to litres, cubic metres, US gallons, Imperial gallons, and other common units.

Enter one weight and instantly convert it to kilograms, grams, pounds, ounces, stones, tons, and troy and carat units.

Instantly convert power between watts, kilowatts, megawatts, metric and mechanical horsepower, BTU and refrigeration units.

Instantly convert pressure between pascals, kPa, MPa, bar, psi, atmospheres, torr, mercury and water-column units.

Instantly convert data sizes between bits, bytes, MB, GB, MiB, GiB, and other SI and IEC units.

Instantly convert angles between degrees, radians, gradians, arcminutes, arcseconds, turns, milliradians, and NATO mils.

Enter one area and instantly convert it to square metres, hectares, acres, square feet, and other common units.

Compare shoe sizes between EU, UK, US men, US women, kids, Mondopoint and measured foot length.

Convert cooking and baking measures between cups, millilitres, teaspoons, tablespoons, grams, ounces, and pounds, with ingredient-specific cup-to-gram values.

Instantly convert durations between seconds, minutes, hours, days, weeks, and explicitly defined month and year units.

Enter one speed and instantly convert it to km/h, m/s, mph, knots, and other common units.

Convert running pace and speed between min/km, min/mi, km/h, mph, and constant-pace finish times for standard distances.

Instantly convert density values between kg/m³, g/cm³, g/mL, kg/L, lb/ft³, lb/in³, and US and Imperial gallon units.

Instantly convert energy between joules, kilojoules, kWh, calories, BTUs, therms, electronvolts and more.

Convert dates and times locally between IANA time zones such as UTC, Berlin, London, New York and Tokyo.

Instantly convert torque between N·m, N·cm, N·mm, kgf·m, kgf·cm, lbf·ft, lbf·in, ozf·in and dyn·cm.

Instantly convert frequency between hertz, kilohertz, megahertz, gigahertz, RPM, BPM, and radians per second.

Instantly convert data transfer rates between bit/s, Mbit/s, Gbit/s, B/s, MB/s, MiB/s and other SI and IEC rates.

Instantly convert volumetric flow rates between L/min, m³/h, US gal/min, Imp gal/min, ft³/min and US oil barrels per day.

Convert decimal numbers from 1 to 3999 and modern canonical Roman numerals bidirectionally in your browser.

Instantly convert force between newtons, kilonewtons, kilogram-force, pound-force, kip, dyne, poundal and ton-force systems.

Instantly convert acceleration between m/s², g₀, Gal, ft/s², km/h/s, mph/s, kn/s and other units.

Instantly convert fuel consumption between L/100 km, km/L, US MPG, Imperial MPG, and other international units.

Validate, format, minify, analyze, and inspect JSON as a tree locally.

Decode Base64, Base64URL, MIME Base64, or data URLs to bytes directly in the browser.

Generate UUIDs and GUIDs locally in the browser, export batches, and use v4 or v7.

Convert numbers exactly between hexadecimal, decimal, binary, and octal.

Test JavaScript regular expressions locally, inspect matches and capture groups, and preview replacements.

Format and beautify SQL scripts locally in the browser.

Decode percent-encoded URL components, paths, query strings, and form data locally.

Percent-encode text, paths, query values, and form data locally in the browser.

Convert JSON files or pasted JSON text to CSV directly in the browser.

Convert XML files or pasted XML text to JSON directly in the browser.

Convert CSV, TSV files, or pasted table data to JSON directly in the browser.

Convert YAML files or pasted YAML text to JSON directly in the browser.

Convert JSON files or pasted JSON text to YAML directly in the browser.

Generate and verify bcrypt password hashes and calculate MD5 and SHA-256 digests locally.

Convert JSON files or pasted JSON text to XML directly in the browser.

Encode text or local files to Base64, Base64URL, MIME Base64, or data URLs directly in the browser.

Decode JWTs locally, inspect claims, and optionally verify HMAC signatures in the browser.

Run RFC 9535 JSONPath queries locally against JSON and show normalized paths.

Test XPath 1.0 in the browser and XPath 3.1 locally against XML or HTML documents.

Convert CSV, TSV, and delimiter-separated data to GitHub-Flavored Markdown tables locally in the browser.

Infer TypeScript interfaces and type aliases from JSON sample data locally in the browser.

Convert strict JSON to readable TOML locally in the browser.

Explain, validate, and preview upcoming run times for cron expressions locally.

Convert JSON objects and object lists to SQL INSERT statements directly in the browser.

Run JMESPath Core expressions locally against JSON and export the JSON result.

Calculate ending value, contribution, starting amount, return or duration for a simplified investment plan.

Estimate retirement capital, supportable monthly income and a funding gap from savings, contributions, returns, inflation and other income.

Calculate payment, remaining balance, interest and amortization from the loan amount, annual rate and initial repayment, fully locally.

Calculate payments, total interest and repayment with optional extra payments, fully local in your browser.

Calculate net, tax and gross amounts from any VAT or GST rate entirely locally.

Calculate projected balance, contributions and interest from current savings, a monthly contribution, time and annual interest.

Estimate how long a credit card balance will take to repay, the interest charged and how a higher payment or promotional rate changes the result.

Calculate gross profit margin, profit, markup and target prices entirely locally.

Plan a monthly budget from net income, needs, wants and financial goals, with an optional detailed frequency-based breakdown.

Calculate net worth from assets and liabilities using quick totals or a detailed category breakdown.

Calculate ROI, net profit and optional annualized return for an investment entirely locally.

Calculate compound annual growth rate, total growth, an ending value, a beginning value or the required duration.

Calculate break-even units, revenue and contribution margin, with optional target profit and margin of safety.

Compare avalanche, snowball and a custom order for up to 25 debts, including payoff time, interest and schedule.

Convert nominal, effective, periodic and continuously compounded interest rates using the compounding frequency.

Compare loan term, interest and balance with and without one-off or recurring overpayments.

Compare an investment plan’s ending value with and without ongoing, one-time and transaction fees.

Calculate how much to save each month for your goal using current savings, time, interest and optional inflation.