CalcOcean offers free online calculators for mathematics, finance, business, education, health and fitness, unit conversions, and everyday calculations. Available in English, French, Spanish, German, and Arabic, it combines calculation tools with explanations, formulas, and worked examples.
PlusConvert brings 31 PDF tools into one clean browser workspace. Convert Word, Excel and PowerPoint files, compress and organize PDFs, use OCR, translate, summarize, sign, redact and protect documents without installing software. Its multilingual interface helps individuals and teams complete everyday document workflows faster, with simple upload steps and privacy-focused processing.
