Top Tools
A curated set of the most practical tools on tool.tl for common PDF, image, metadata, and text tasks.
Most Used Right Now
This section updates automatically based on real completed tool actions on the site.
Loan Amortization Calculator Calculate loan amortization schedule with monthly payment, total interest, and full payment breakdown. Supports extra payments. 7d 33
·
Used 218 times Mortgage Calculator Calculate monthly mortgage payments, total interest, and full amortization schedule. 7d 27
·
Used 173 times Car Insurance Calculator Estimate your car insurance premium based on vehicle value, driver age, driving record, state, and coverage type. For educational purposes. 7d 25
·
Used 155 times Salary After Tax Calculator Calculate your US salary after federal income tax, Social Security, Medicare, and state taxes. Shows monthly, bi-weekly, and hourly take-home pay. 7d 24
·
Used 190 times Break-Even Calculator Calculate the break-even point in units and revenue. Find how many units you need to sell to cover fixed and variable costs. 7d 19
·
Used 136 times ROI Calculator Calculate return on investment (ROI), net profit or loss, return multiplier, and annualized CAGR. 7d 15
·
Used 135 times UUID Generator Free online UUID generator. Generate RFC 4122 compliant UUID v4 and v7 identifiers instantly. Batch generation and one-click copy supported. 7d 13
·
Used 231 times SaaS Churn Calculator Calculate SaaS churn rate, MRR churn, Net Revenue Retention (NRR), and revenue impact from customer loss. 7d 13
·
Used 148 times Profit Margin Calculator Calculate gross profit margin, markup percentage, and selling price from cost and revenue. 7d 13
·
Used 117 times Credit Card Payoff Calculator Calculate how long it takes to pay off your credit card debt. Compare fixed payment vs minimum payment to see how much interest you can save. 7d 13
·
Used 108 times Compound Interest Calculator Calculate compound interest growth over time. See how your savings or investments grow with different rates, compounding frequencies, and monthly contributions. 7d 12
·
Used 159 times IP Block Test (GFW) Check whether an IP and port are blocked by China's Great Firewall (GFW). We probe TCP and ICMP from both a domestic (China) node and an overseas node, then compare to tell if the IP is reachable, blocked, or down. 7d 11
·
Used 242 times
Best Places to Start
If this is your first visit, start with these tools first.
Compress PDF Free online PDF compressor. Reduce PDF file size by up to 80% while maintaining quality. Fast, secure, no signup needed. PDF to Word Free online PDF to Word converter. Convert PDF to editable DOCX with formatting preserved. No installation or signup required. Chinese to Pinyin Free online Chinese to Pinyin converter. Convert Hanzi to Pinyin with tone marks or numbers. Supports Simplified and Traditional Chinese. EXIF Viewer Free online EXIF viewer. Read EXIF metadata from JPG, PNG, and TIFF photos. View camera settings, GPS location, timestamp, and more. ICO to PNG JPG Convert favicon.ico to PNG or JPG. Extract all sizes from an ICO file and download individually or as a ZIP. JPG to PDF Free online JPG to PDF converter. Convert and merge multiple images into one PDF. Drag-and-drop reordering, no watermark, no signup.