QuickTools - Free Online Calculators and Browser Tools

Popular Calculators

High-intent calculators for everyday financial planning and ownership costs.

Estimate monthly payments, total interest, and payoff totals from home price, down payment, rate, and term.

Calculate payments for personal loans, auto loans, and other fixed-rate borrowing.

Compare payoff time, total interest, and monthly payment strategies for credit card debt.

Estimate home charging cost, monthly EV energy cost, and gas savings per mile.

Local image utilities for web publishing, email, ecommerce, and social posts.

Compress images locally in your browser and reduce file size before sharing or uploading.

Resize JPG, PNG, and WebP images by width and height, then download the result.

Practical browser tools with strong retention and privacy-friendly local processing.

Count words, characters, paragraphs, and estimated reading time in real time.

Format, validate, and inspect JSON data locally in your browser.

Convert browser bookmarks HTML exports into a flat JSON array with title and URL fields.