Practical guides for everyday file tasks — done privately in your browser.
Big photos stall email and slow down websites. Here's how to compress images in your browser, keep them looking sharp, and never upload the originals to a server.
PDFs with images or scans are huge and get rejected by email. Compress them locally with our free tool — your document never leaves your computer.
Turn documents into PDFs privately: Word, PowerPoint, and Markdown all convert in your browser. Your file never leaves your device.
iPhone photos come out as HEIC, but most apps and PCs can't open them. Learn how to convert HEIC to JPG right in your browser — your photos never leave your device.
A plain-English guide to image formats and how to convert between them in your browser, without uploading anything. Pick the right format and convert it locally.
iPhone voice memos and recordings save as M4A, which many players reject. Turn M4A into MP3 locally with our free tool — the audio never leaves your device.
Combine multiple PDFs into a single document without uploading them. Our free merge tool runs in your browser, so your files never leave your device.
Turn a PDF into images, or images into a PDF, without uploading anything. Two local tools cover both directions and keep your files on your device.
Need a product shot or profile picture with a clean background? Remove backgrounds in your browser with AI — the original image never leaves your device.
Turn a video into an MP3 ringtone, podcast, or soundtrack without uploading the file. Our video-to-MP3 tool runs in your browser and keeps the source private.