Utilorca

Utilorca (utilorca.com) is a collection of 49 free online tools for everyday tasks. Every tool runs inside the browser, so photos, videos, PDFs and text stay on the visitor's device and are never uploaded.
Image and PDF: remove background (people, passport and ID photos (US, EU, UK, Canada, Brazil 3x4, Mexico)), HEIC/WebP/PG to JPG, resize and compress images, JPG to PDF, merge PDF, compress video to GIF, compress video to a target size. Device tests: keyboard, mouse, microphone, webcam, headphones, gamepad, black and white screen, CPU and reaction time. Text: character and word counter, fancy letters, password generator, typing test, QR code generator, notepad. Calculators: percentage, rule of three, BMI, pregnancy due date, compound interest, average, hours, days and age. Also a spin wheel, name draw, dice, coin flip, timer, stopwatch, metronome, guitar tuner, white noise, voice recorder and text to speech.
All tools are free with no sign-up and no daily limit. The only paid item is the HD download of a finished passport photo (US$2.99 per photo); its preview is free. Available in English, Brazilian Portuguese and Spanish.