BIN Checker
Check card status, issuing bank, country and more with BIN lookup.
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THE NEXT GENERATION OF WEB TOOLS
CC Generator
Generate valid test credit card numbers with custom BIN, expiry date, and CVV options.
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Temp Mail
Create temporary email addresses in seconds. Keep your real inbox safe and spam-free.
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Name & Address Generator
Fake name generator with full address, city, state and zip code.
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IP7.com
Check your IP address, location, ISP, proxy & VPN detection.
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Temp Number
Get free disposable phone numbers to receive SMS & OTP codes instantly.
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2FA Live Code
Paste a secret key or scan a QR to generate your 2FA code instantly.
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Password Generator
Create strong random passwords and memorable passphrases with live strength checking.
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Speed Test
Check internet download and upload speed, ping and jitter on your current network.
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Currency Converter
Convert currencies with the latest exchange rates, including USD, BDT and EUR.
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Age Calculator
Calculate age in years, months and days.
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Percentage Calculator
Calculate percentages, shares and changes.
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College GPA Planner
Find the GPA you need to reach your target GPA.
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Final Grade Calculator
Find the score you need on your final exam.
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Sales Tax Calculator by US State
Calculate sales tax and total price for any US state.
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Overtime Pay Calculator (US)
Calculate US overtime and weekly pay under FLSA rules.
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Rent Affordability Calculator (US)
See how much rent you can afford on your income.
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Freelance Project Rate Calculator
Find your freelance hourly, day and project rate.
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College Acceptance Rate Calculator
Calculate college acceptance and yield rates.
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Wedding Budget Planner
Split your wedding budget across every category.
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Moving Cost Estimator (US)
Estimate local and long-distance moving costs.
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Base64 Encoder/Decoder
Encode Unicode text to Base64 or decode it back.
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Text Case Converter
Convert text to uppercase, lowercase, title, camel or sentence case.
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Hash Generator
Generate MD5, SHA-1 and SHA-256 text hashes locally.
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URL Slug Generator
Turn titles into clean, lowercase SEO-friendly URL slugs.
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Image Compressor
Reduce JPG, PNG and WebP file sizes.
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PDF Compressor
Create a smaller, image-based PDF.
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QR Code Generator
Create downloadable QR codes for text and links.
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QR Code Scanner
Scan QR codes from images or your camera.
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Image Format Converter
Convert images to JPG, PNG or WebP.
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Word Counter
Count words, characters, sentences and paragraphs.
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PDF Merger
Combine PDFs in your preferred order.
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Background Remover
Remove an image background with on-device AI.
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Image Resizer
Resize images to exact pixel dimensions.
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PDF to Word Converter
Extract PDF text into an editable Word document.
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HEIC to JPG Converter
Convert iPhone HEIC photos into JPG files.
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Meta Tag Generator
Generate page titles, descriptions and social tags.
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JSON Formatter & Validator
Validate, format and minify JSON.
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URL Encoder & Decoder
Encode and decode URL components safely.
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Color Picker & Converter
Pick a color and convert HEX, RGB and HSL.
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CSV to JSON Converter
Convert CSV rows into structured JSON.
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Invoice Generator
Create and download an itemized PDF invoice.
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Image to PDF Converter
Combine images into a downloadable PDF.
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Etsy Seller Profit Calculator
Calculate Etsy fees, net profit and margin per sale.
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Amazon FBA Break-Even Calculator
Find your FBA break-even price, profit and margin.
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eBay Seller Fee Calculator
Estimate eBay final value fees and net profit.
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Shopify Profit Margin Calculator
Work out Shopify profit, margin and markup.
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Dropshipping Profit Calculator
Estimate dropshipping profit after ads and fees.
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Print-on-Demand Profit Calculator
Calculate POD profit for shirts, mugs and more.
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Affiliate Commission Calculator
Estimate affiliate commissions, EPC and monthly income.
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YouTube Revenue Estimator
Estimate YouTube ad earnings from views and CPM.
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YouTube Shorts Revenue Estimator
Estimate earnings from YouTube Shorts views.
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Twitch Bits Calculator
Convert Twitch Bits to dollars for streamers and viewers.
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Patreon Earnings Calculator
Estimate Patreon income after platform and payment fees.
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Influencer Sponsorship Rate Calculator
Suggest a fair sponsored post rate for influencers.
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TikTok Engagement Rate Calculator
Calculate TikTok engagement rate by views or followers.
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Podcast Sponsorship Calculator
Estimate podcast ad revenue from downloads and CPM.
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Newsletter Sponsorship Calculator
Price newsletter sponsorships from subscribers and opens.
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Ad Revenue RPM Calculator
Calculate page RPM and CPM from your ad revenue.
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About Usekit
Usekit is a free collection of 59 online tools, built for students, sellers, creators, developers and anyone who needs a small job done quickly. In one place you can shrink images and PDFs, convert HEIC photos to JPG, turn a PDF into a Word document, merge PDFs or make a PDF from pictures, create and scan QR codes, count words, format JSON, convert CSV to JSON, encode URLs, pick colours and check your real internet speed.
There is a privacy and account set too: a disposable Temp Mail inbox, Temp Number for SMS codes, 2FA Live Code and 2FA Authenticator, a strong Password Generator, and IP7.com for your IP address, ISP and timezone. Developers who need sample data can use CC Generator, BIN Checker and the Name & Address Generator, and everyone can take the Usekit browser extension for Chrome, Edge and Firefox.
28 calculators cover money and study: Etsy, eBay, Amazon FBA, Shopify, dropshipping and print-on-demand profit; YouTube, Shorts, Twitch, Patreon, TikTok, podcast, newsletter and ad revenue; freelance rates, US sales tax and overtime pay, rent affordability, wedding and moving budgets, GPA, final grades, college acceptance, age, percentage and currency conversion.
Every tool is simple by design: open it, enter your information and get a result in seconds, with no account or sign-up required. Most tools, including the file converters and calculators, run directly in your web browser, so your files are processed on your own device. Each tool page explains how the tool works, what its limits are and whether any data is sent to an outside service.
We check our tools regularly and keep improving them. Calculator results are estimates based on the numbers you enter, so please confirm important figures, such as fees or taxes, with the official source before making decisions.