Overview
All Tools
75 tools, grouped by category. Everything runs directly in your browser — no uploads, no account, no tracking.
Finance
14- Amortization Calculator Enter your loan amount, interest rate, and term. Get your monthly payment and a complete period-by-period breakdown of principal and interest.
- Car Lease Payment Calculator Enter the vehicle MSRP, residual value, money factor, and any cap cost reductions — get your exact monthly lease payment before stepping into a dealership.
- Cash Discount Calculator Enter invoice amount, discount rate, and payment window to compute savings — plus the annualized cost of skipping the discount, so you know what delaying payment really costs.
- Cash Flow Calculator for Business Enter your income and expenses across operating, investing, and financing activities to calculate net cash flow and see where your money is really going.
- Compound Interest Calculator Enter principal, interest rate, time, and compounding frequency to see exactly how your money grows. Covers savings accounts, 401(k) and IRA projections, and CDs. Includes the Rule of 72 shortcut.
- Discount Calculator Enter an original price and a discount percentage to get the sale price and dollar savings — or work backwards from a sale price to find the percentage off.
- Estate & Inheritance Tax Calculator Enter an estate value and see the estimated federal estate tax and applicable state estate or inheritance tax. Covers all 50 states. Runs privately in your browser.
- Hourly Wage to Annual Salary Calculator Enter your hourly rate and work schedule — get your annual salary, monthly pay, and weekly gross in one click. No sign-up required.
- Interest Calculator Run the math both ways: simple I = P × r × t, or compound at any frequency. Apply your US federal marginal bracket or your UK income-tax band on the interest, or set 0% for an ISA / Roth account.
- Loan Payment Calculator Enter loan amount, interest rate, and term — get your monthly payment, total interest paid, and complete cost breakdown in seconds.
- P/E Ratio Calculator Enter a stock price and EPS — get the P/E ratio instantly. Supports trailing and forward P/E with context for S&P 500 benchmarks.
- Paycheck Calculator Enter your gross annual salary, pick your filing status (US) or just your salary (UK), and see federal/income tax, FICA or NI, and your take-home pay broken down by line.
- ROI Calculator Enter your investment cost and net profit — get ROI percentage, annualized return, and a clear breakdown of what each dollar earned.
- Sales Tax & VAT Calculator Pick your US state for the right state-level sales-tax rate, or switch to UK for the four official VAT bands. Add tax to a net price or extract tax from a tax-inclusive total.
Length
08- Centimeters to Inches Converter Convert centimeters to inches (and back) with exact precision. Covers TV screen diagonals, clothing sizes, furniture dimensions, and height measurements.
- Feet to Meters Converter Type feet, get meters. Type meters, get feet. Exact, instant, no-fuss.
- Inches to Centimeters Converter Convert inches to centimeters (and back) with exact precision. Built for US clothing sizes, screen dimensions, body measurements, and international shopping comparisons.
- Kilometers to Miles Converter Type a distance in kilometers and get the miles equivalent instantly. Covers road speeds, running races, and travel distances with a handy reference table.
- Meters to Feet Converter Type meters to get feet, or feet to get meters — both directions, instant, precise. Includes a conversion table and practical reference points for US everyday use.
- Millimeters to Inches Converter Enter millimeters to get inches, or inches to get millimeters — both directions, exact. Includes a reference table for screen diagonals, tire widths, screw sizes, and drill bits.
- Nautical Miles to Kilometers Converter Enter nautical miles to get kilometers, or kilometers to get nautical miles — exact conversion based on the international definition of 1 nmi = 1.852 km.
- Yards to Meters Converter Convert yards to meters (and meters to yards) with exact precision. Covers American football, fabric, swimming pools, golf courses, and more.
Weight
05- Grams to Ounces Converter Type grams, get ounces. Type ounces, get grams. Instant, exact, bidirectional.
- Kilograms to Pounds Converter Type a weight in kilograms and get the pounds equivalent instantly. Includes a quick-reference table for common body weights and luggage limits.
- Metric Tons to Pounds Converter (t to lbs) 1 metric ton = 2,204.62 lbs. Enter any value in tonnes or pounds for an instant conversion — with a clear explainer on metric vs. short vs. long tons.
- Pounds to Kilograms Converter Type any weight in pounds and get the exact kilogram equivalent instantly — useful for gym tracking, shipping, and international travel.
- Stone to Kilograms Converter Enter a weight in stone to get kilograms and pounds — or enter kilograms to get the stone and pounds breakdown used in the UK and Ireland.
Volume
02- Liters to Gallons Converter Enter any value in liters or US gallons and get an instant, precise conversion. Includes a quick-reference table for common volumes and both US and Imperial gallon definitions.
- Milliliters to Fluid Ounces Converter Enter milliliters to get US fluid ounces — or fluid ounces to get milliliters. Covers beverages, recipe conversion, medicine dosing, and cosmetics bottle sizes with a quick-reference table.
Area
03- Hectares to Acres Converter Type hectares, get acres. Type acres, get hectares. Exact conversion, instant result.
- Square Kilometers to Square Miles Converter Enter any area in square kilometers and get the square mile equivalent instantly — with a US state and national park reference table.
- Square Meters to Square Feet Converter Enter any area in square meters and get the square foot equivalent immediately — with a US apartment and room size reference table.
Temperature
01Images
07- AI Image Detector Upload any image and find out if it was created by AI. The ML classifier runs in your browser — your image is never uploaded to a server.
- Convert HEIC to JPG Convert iPhone HEIC photos to JPG instantly — batch folders, no upload, 100% private
- Convert HEIC to PNG Convert iPhone HEIC photos to lossless PNG — batch folders, no upload, 100% private
- Image Diff Upload two images and instantly see every pixel that changed. Side-by-side view plus a highlighted diff overlay — all processed locally in your browser.
- QR Code Generator Create a scannable QR code in seconds — paste a URL, type text, enter WiFi details, or fill in a contact card, then download as PNG or SVG.
- Remove Image Background Drop any photo — the AI removes the background in seconds. Your image stays on your device. No account, no upload, no watermark.
- WebP Converter Compress images to WebP — Google's modern format — right in your browser. No server upload, no account. Works on PNG, JPG, and WebP files.
Video
03- HEVC to H.264 Converter Drop your iPhone or Apple video, get a universally compatible H.264 MP4. All conversion runs in your browser — your file never touches a server.
- Video Background Remover Drop a video, remove the background with one click. Replace it with a solid color, an image, or blur it out. ML runs locally via WebAssembly — your file never leaves your device.
- Webcam Background Blur Open in your browser, allow camera access, and your background blurs instantly. Use the virtual camera output in Zoom, Teams, Meet, or any video call app.
Audio
02- Audio Transcription Turn spoken words into editable text — entirely in your browser, no server uploads, no account required.
- Speech Enhancer Upload a voice recording, apply noise reduction and clarity enhancement, and download the cleaned audio — all processed locally in your browser with no server upload.
Documents
06- JPG to PDF Converter Drop your JPG or PNG photos, arrange them, and download a single PDF. Everything runs in your browser — no upload, no account required.
- PDF Compressor Shrink oversized PDFs for email attachments, web uploads, and cloud storage — processed locally in your browser, never on a server.
- PDF Merger Add as many PDFs as you need, drag them into the right order, and merge them into a single document — all locally in your browser.
- PDF Password Remover Provide the correct password and get back a clean, unlocked PDF — processed entirely in your browser, never uploaded anywhere.
- PDF Splitter Extract a single page, split by range, or burst every page into separate files — all processed locally, never uploaded.
- PDF to JPG Converter Render each PDF page as a sharp JPEG — pick your DPI and quality, download individually or as a ZIP, all processed locally.
Text
06- AI Text Detector Paste text and find out if an AI wrote it. The classifier runs locally in your browser — useful for teachers, editors, and journalists.
- Character Counter Paste or type text and instantly see character count, word count, sentence count, and paragraph count. Includes platform-specific limits for Twitter/X, LinkedIn, SMS, and meta descriptions.
- Image to Text Drop an image and get editable text in seconds. Optical character recognition runs entirely on your device — your images never leave the browser.
- Lorem Ipsum Generator Choose how many paragraphs, sentences, or words you need — copy clean lorem ipsum placeholder text in one click. No ads, no sign-up, no tracking.
- Roman Numeral Converter Type a number (1–3999) to get the Roman numeral, or enter Roman numerals to get the integer back — with a full breakdown of every symbol used.
- Text Diff Tool Compare any two texts side-by-side or in unified view. Additions in green, deletions in red — instantly, without uploading anything.
Color
02- Hex to RGB Color Converter Paste a hex code, get RGB and HSL instantly. Or enter RGB values to get the hex. Live color preview included.
- WCAG Contrast Checker Enter a foreground and background color and see the WCAG 2.1 contrast ratio with instant AA and AAA pass/fail — essential for accessible web design.
Time
02- Time Zone Converter Convert a time between any two time zones in seconds. Covers all US time zones plus hundreds of cities worldwide. Automatically accounts for Daylight Saving Time.
- Unix Timestamp Converter Paste a Unix timestamp and get a human-readable date. Or pick a date and get the epoch value. Handles both seconds and milliseconds automatically.
Developer
13- Base64 Encoder and Decoder Online Encode or decode Base64 instantly in your browser. No data leaves your device. Perfect for API payloads, email attachments, and dev debugging.
- CSS Formatter, Beautifier & Minifier Paste raw or minified CSS and get it back clean and indented — or switch to minify mode to strip whitespace for production. No server, no signup.
- Hash Generator Paste text, pick an algorithm, copy your hash. All computation stays in your browser — nothing leaves your machine.
- JSON Diff Paste two JSON documents, see exactly what changed — added keys in green, removed in red, changed values highlighted. Runs entirely in your browser.
- JSON Formatter & Validator Online Paste minified JSON and get clean, readable output instantly. Validates syntax and highlights errors — zero server calls.
- JSON to CSV Converter Turn any JSON array into a clean CSV file in seconds. Nested objects are flattened automatically — no scripting needed.
- JWT Decoder Decode any JSON Web Token in the browser. See the header, payload, and signature in a readable format — and check expiry at a glance.
- Regex Tester Paste your pattern and test string, see matches highlighted in real time — supports flags g, i, m, s and shows capture groups with index offsets.
- Secure Password Generator Set your length and character rules — uppercase, lowercase, numbers, symbols — and get a cryptographically random password instantly. Nothing leaves your browser. Ever.
- SQL Formatter & Beautifier Paste any SQL query — minified, messy, or single-line — and get properly indented, keyword-capitalized output with consistent clause alignment in seconds.
- URL Encoder & Decoder Paste any text or URL — encode it for safe use in query strings, or decode a percent-encoded URL back to readable form. Covers encodeURIComponent and encodeURI modes.
- UUID Generator Click once for a fresh UUID v4, or generate up to 1,000 at a time. Copy individually or export the full list. Cryptographically random, browser-based, private.
- XML Formatter & Beautifier Paste raw or compressed XML and instantly get clean, indented output. Validates well-formedness, highlights errors, and supports minification for production use.