Guides

Short, practical answers to everyday file problems — each one ends with the tool that solves it.

• How to compress images for a website (JPG, PNG, WebP)

  Images are the heaviest part of most pages. A practical workflow for resizing, choosing formats and compressing so pages load fast and score well on Core Web Vitals.

• How to compress a video for WhatsApp (and keep it watchable)

  WhatsApp caps videos at 16 MB for status and around 64 MB in chats. Here is how to shrink an MP4 or MOV to fit, without uploading it anywhere.

• How to convert iPhone MOV videos to MP4

  Videos from iPhone and iPad come as .MOV files that Android, Windows Media Player and many websites reject. Convert them to MP4 in the browser without uploading.

• How to extract audio from a video as MP3

  Pull the soundtrack out of an MP4, MOV or WebM and save it as MP3, WAV or FLAC — in your browser, nothing uploaded.

• How to copy text from a screenshot or photo (OCR)

  Get editable text out of screenshots, photos of documents and scanned pages with OCR that runs in your browser, in 12 languages.

• How to create a favicon for your website in 2026

  Which favicon sizes and files a modern site needs (ICO, PNG, Apple touch icon, web manifest), and how to generate the whole set from one logo in your browser.

• How to make a GIF from a video (and keep the file small)

  Turn a clip from your phone or a screen recording into an animated GIF in the browser. Learn which settings keep GIFs under a few megabytes.

• How to open HEIC photos on Windows and convert them to JPG

  iPhone photos arrive as .HEIC files that Windows cannot open by default. Convert them to JPG in your browser in seconds, in bulk, without installing codecs.

• How to password-protect a PDF (and remove the password later)

  Encrypt a PDF with AES-256 so it opens only with a password, or strip a password from a PDF you own — both in the browser, without Acrobat.

• How to turn photos into a single PDF on your phone

  Combine several JPG or PNG photos into one PDF document — receipts, ID scans, homework — straight from your phone's browser, no app required.

• How to reduce a PDF to under 2 MB (or any upload limit)

  Government portals, job boards and email attachments often cap PDFs at 1–5 MB. Here is what actually makes PDFs large and how to shrink them in the browser.

• How to remove a background from a photo for free (no Photoshop)

  Cut out a person, product or pet and get a transparent PNG in seconds using an AI model that runs in your browser. No sign-up, no watermark, no upload.

• Instagram image sizes in 2026 and how to resize for them

  The exact pixel sizes for Instagram posts, portraits, stories, reels covers and profile pictures, plus a batch workflow to resize and crop photos in your browser.

• How to open RAR, 7z and ZIP files without installing anything

  Extract archives — including password-protected RAR and 7z — right in your browser on any device, and download only the files you need.