All free online tools
Every tool at Digital Drive HQ in one place — free with a quick account (14-day HQ Pro trial included), and for file tools, nothing ever uploaded. Jump to a category below, or press ⌘K to search.
PDF Tools9 tools
Merge, split, compress, rotate, watermark, and convert PDFs — free, in your browser, with nothing uploaded.
Image Tools13 tools
Compress, convert, resize, crop, and remove backgrounds from images — free and private, right in your browser.
Calculators47 tools
The calculators people search for daily — BMI, loan, mortgage, percentage, tip, GPA, calorie, sleep, and more.
Financial Calculators65 tools
Loan, mortgage, auto, investment, retirement, and debt calculators — free, accurate, and instant.
Health & Fitness Calculators24 tools
BMR, TDEE, ideal weight, body fat, macros, heart rate, and more — free health and fitness calculators.
Math Calculators37 tools
Percentages, exponents, roots, geometry, statistics, and algebra — free math calculators and solvers.
Unit Converters22 tools
Convert length, weight, temperature, speed, area, volume, data size, currency, and number bases — instantly.
Text & Web Utilities48 tools
Everyday web and text helpers — word counter, case converter, JSON formatter, QR & barcode generators, and more.
AI Writing Tools34 tools
AI-powered writing tools — grammar checker, summarizer, translator, email writer, and content generators.
SEO Tools11 tools
Generate and check the on-page signals search engines read — meta tags, schema, sitemaps, and search previews.
Date & Time Tools12 tools
Calculate ages, date differences, work hours, and time zones, and convert Unix timestamps — fast and accurate.
Design & Color Tools5 tools
Color converters, palettes, gradients, contrast checks, and CSS generators for designers and developers.
Marketing Calculators19 tools
Fast, accurate calculators for ROI, ROAS, CPC, conversion rate, and other growth and ad-spend math.
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Social & Campaign Tools6 tools
Build trackable UTM links, hashtags, and perfect social share previews before you post.