Unit Converter
Convert between common length, weight, and temperature units in one place.
Platform Discovery
This page follows the central tool registry order and surfaces the newest additions first, making it a quick way to spot what has been added most recently.
The ordering is registry-driven rather than editorial, so this view stays aligned with the platform's real tool inventory.
Recently added from the registry
Showing 51 tools in newest-first order from the central Dr.Utilio registry.
Convert between common length, weight, and temperature units in one place.
Combine one or more PNG images into a downloadable PDF in your browser.
Combine one or more JPG images into a downloadable PDF using a client-side workflow.
Turn multiple images into one browser-generated PDF without uploading files to a server.
Convert Gregorian dates to approximate Hijri dates and Hijri dates to approximate Gregorian dates.
Measure the decrease amount and percentage change from an original value to a lower value.
Measure the increase amount and percentage change from an original value to a higher value.
Find what a percentage of a number equals using a quick two-input calculation.
Measure the time between two dates in days, weeks, and calendar years-months-days.
Calculate age in years, months, and days from a birth date and comparison date.
Estimate the score needed on a final exam to reach a target course grade.
Render selected PDF pages as downloadable PNG images with local browser processing.
Render selected PDF pages as downloadable JPG images with local browser processing.
Rotate all pages or selected page ranges in one PDF with local browser processing.
Create one smaller PDF containing only selected page ranges with local browser processing.
Split one PDF into separate files by page ranges with local browser processing.
Merge multiple PDF files into one downloadable document locally in your browser.
Estimate approximate PDF size from page count, image density, image quality, and document type assumptions.
Estimate a simple weekly study schedule from subject count, target hours, and available study days.
Estimate the exam score needed to reach a target course grade using a simplified weighted-grade model.
Calculate weighted GPA from course grades and credit hours.
Estimate a simple daily water intake target using body weight and activity assumptions.
Estimate a reference weight using height, sex, and a healthy-BMI comparison range.
Estimate body fat percentage using a simplified circumference-based method.
Estimate basal metabolic rate using a common BMR formula and simple body measurements.
Estimate maintenance calories and simple gain-or-loss targets using age, sex, height, weight, and activity assumptions.
Estimate body mass index using either imperial or metric measurements.
Estimate mortgage closing costs and cash to close using purchase price, down payment, fees, and prepaid-cost assumptions.
Compare current and refinanced mortgage payments, monthly savings, and a simplified break-even period.
Estimate a simplified affordable home price range from income, debts, down payment, rate, and loan term assumptions.
Estimate first-year retirement income, annual withdrawals, and how savings may hold up over time under simplified assumptions.
Project IRA growth using current balance, annual contributions, return assumptions, and time horizon.
Project long-term 401(k) growth using salary, employee contribution, employer match, return assumptions, and time.
Estimate whether federal withholding may lead to a refund or amount due under a simplified US tax model.
Estimate self-employment tax on net business income using a simplified US tax approach.
Estimate federal taxable income, bracket-based tax, and effective rate using a simplified US tax framework.
Estimate net zakatable assets and 2.5% zakat due across savings, metals, investments, and deductible debts.
Project growth from principal, recurring contributions, annual return, and compounding frequency.
Estimate payoff time and lifetime interest based on balance, rate, and payment size.
Estimate the monthly contribution needed to hit a target amount on schedule.
Project future savings balances using contributions, time, and return assumptions.
Compare monthly payment and total interest across vehicle financing scenarios.
Estimate monthly principal and interest payments and compare borrowing scenarios.
Create a lighter browser-generated PDF when practical using low, medium, or high compression settings.
Rotate one image by 90, 180, or 270 degrees locally in your browser.
Crop one image locally in your browser using custom pixel bounds.
Convert JPG, PNG, or WebP images into another common image format locally in your browser.
Convert a PNG image into JPG format locally in your browser.
Convert a JPG or JPEG image into PNG format locally in your browser.
Compress one image locally in your browser using adjustable compression levels and export formats.
Resize one image locally in your browser by fitting it within custom maximum dimensions.