Guides and tips to help you get more from our free online tools.
· 7 min read
Learn how to compress an image to 100 KB, 50 KB or 20 KB for forms and uploads: resize first, lower the quality, pick WebP or JPG and check the size.
Read the guide· 7 min read
Learn how to create a QR code for free: link, Wi-Fi, email and phone codes, PNG or SVG, error correction levels and tips for a code that scans every time.
Read the guide· 7 min read
Learn how to resize an image without losing quality: shrink or scale by percentage, keep the aspect ratio, use social media sizes and avoid blurry results.
Read the guide· 6 min read
Learn how to calculate your daily calories with the Mifflin-St Jeor formula: BMR, TDEE, activity levels and calorie targets for weight loss or gain.
Read the guide· 6 min read
Learn how to calculate the days between two dates by hand and online, add or subtract days and months, handle leap years and count weekdays.
Read the guide· 5 min read
Learn how to write a meta description that gets clicks: ideal length, examples, common mistakes and a free checker to preview your title and description.
Read the guide· 5 min read
Learn what Open Graph tags are, which ones you need, the best image size and how to fix a wrong preview when your link is shared on social media.
Read the guide· 6 min read
Learn how to convert Word to PDF without losing formatting. Step-by-step help, fixes for broken fonts and layouts, and a free online DOC and DOCX converter.
Read the guide· 7 min read
Learn how to convert PDF to Excel, which PDFs work best, why scanned files fail and how to clean the data afterwards. Free online PDF to XLSX converter.
Read the guide· 6 min read
Learn how to calculate percentage with simple formulas and worked examples: percent of a number, percentage change, discounts, tax and mental maths tricks.
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