Useful tools. No account required.
Free calculators and utilities for work, money, documents and everyday life — open to everyone, wherever you are.
Private by design — your data never leaves your device.
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Most useful
Image Optimizer for AI
Sending screenshots or photos to Claude, ChatGPT, Gemini or Grok? Resize and crop them first, and see the estimated visual-token cost before and after — including the automatic resizing the provider would apply anyway. Everything runs in your browser; nothing is uploaded.
Popular tools
Image Optimizer for AIResize and compress an image before you send it to Claude, ChatGPT, Gemini or Grok, and see the estimated visual-token cost before and after. Runs entirely in your browser.Shift Pay CalculatorWork out your estimated pay for a single shift, including unpaid breaks, night premiums, weekend premiums and overtime.UK Salary / Take-Home Pay CalculatorEstimate your UK take-home pay after income tax, National Insurance, pension and student loan deductions.Working Hours CalculatorAdd up hours between a start and finish time, subtract unpaid breaks and see totals in decimal hours — with a weekly timesheet mode.Credit Card Payoff CalculatorSee how long it will take to clear a credit card balance, the total interest cost, and the monthly payment needed to be debt-free by a target date.Image Compressor / ResizerCompress and resize images in your browser — reduce file size, set dimensions and convert formats. Your image never leaves your device.PDF Merge / Split / ReorderMerge, split, reorder, extract and remove PDF pages directly in your browser. Files are processed locally and never uploaded.
Work & Pay
Shift, hours, overtime and pay calculators
Shift Pay CalculatorWork out your estimated pay for a single shift, including unpaid breaks, night premiums, weekend premiums and overtime.UK Salary / Take-Home Pay CalculatorEstimate your UK take-home pay after income tax, National Insurance, pension and student loan deductions.Overtime Pay CalculatorCalculate overtime pay with common multipliers like time and a half or double time, or a custom overtime rate.Working Hours CalculatorAdd up hours between a start and finish time, subtract unpaid breaks and see totals in decimal hours — with a weekly timesheet mode.Holiday Pay EstimatorEstimate holiday hours and holiday pay for hourly and part-time UK workers, including a 12.07% accrual mode for irregular and casual hours.
Money
Debt, tax and money calculators
Credit Card Payoff CalculatorSee how long it will take to clear a credit card balance, the total interest cost, and the monthly payment needed to be debt-free by a target date.Self-Employed Profit EstimatorEstimate profit from self-employment: revenue minus allowable expenses, with an illustrative UK tax estimate.
Career
CV, job application and career helpers
CV ↔ Job Description Match CheckerPaste your CV and a job description to see matching keywords, missing skills and a simple match score — all analysed privately in your browser.Job Application Answer BuilderBuild tailored, structured answers to job application and interview questions — STAR and other proven frameworks, three variants, no account. Runs entirely in your browser.
Documents
PDF and document utilities
Images
Image tools that run in your browser
Image Optimizer for AIResize and compress an image before you send it to Claude, ChatGPT, Gemini or Grok, and see the estimated visual-token cost before and after. Runs entirely in your browser.Image Compressor / ResizerCompress and resize images in your browser — reduce file size, set dimensions and convert formats. Your image never leaves your device.
Everyday Tools
Handy utilities for daily tasks
Visa Date / Countdown CalculatorCount down the days remaining on a visa, see how much of the period has elapsed, and download calendar reminders. Not immigration advice.QR Code GeneratorCreate QR codes for links, text, Wi-Fi, email and phone numbers. Download as PNG or SVG — free, no watermark, no account.
Creator Tools
Helpers for titles, hooks and descriptions