BuzzKit
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Free file conversion guides, privacy tips and how-tos for getting the most out of BuzzKit's browser-based video, audio, image and PDF tools.
How to Remove Audio From Video Without Losing Quality (Free)
Remove audio from video without losing quality: strip the sound in your browser, keep the picture untouched and verify it. No upload, no signup.
I Audited the Code of All 28 BuzzKit Tools for File Uploads. Here Is What I Found
I scanned the code of all 28 BuzzKit tools for upload mechanisms. See what I found, including the weak spots, and how to verify any tool yourself.
How to Check If a Website Uploads Your Files (5-Minute Test)
Learn the 5-minute browser test that shows whether an online file converter uploads your files, including an offline check. Works in Chrome and Firefox.
How to Convert MOV to MP4 for Free (Without Uploading)
Learn how to convert MOV to MP4 for free in your browser, when to pick MP4, WebM, AVI or MKV, and why conversion takes a while.
How to Split a PDF Into Separate Files or Pages (Free)
Learn how to split a PDF by page range or extract a single page, with formatting intact. Free, private and done in your browser.
How to Merge PDF Files Into One Document (Free)
Learn how to merge PDF files into one document for free. Keep fonts and text intact, set the page order and avoid common mistakes.
How to Trim a Video for Free, Right in Your Browser
Learn how to trim a video for free: set a start time and duration, cut out the part you need and download an MP4. No upload, no signup.
How to Reduce Image Size Without Losing Quality
Learn how to reduce image size without losing quality. Resize, compress and pick the right format for faster pages and smaller uploads.
How to Convert Images to PDF and Combine Photos Into One File
Learn how to convert images to PDF and combine photos into one file for free. Prepare pages, fix the order and keep the PDF small enough to send.
How to Make a GIF From a Video for Free (Step by Step)
Learn how to make a GIF from a video for free. Trim the clip, keep the file size small and get a smooth loop with our simple step-by-step guide.
How to Make Quiet Audio Louder (Free, No Software)
Learn how to make quiet audio louder without distortion. Free steps for boosting volume, avoiding clipping and cleaning up your recordings.
WebP vs JPG vs PNG: Which Image Format Should You Use?
WebP vs JPG vs PNG: see how the three image formats differ in size, quality and transparency, and which to use for each job.
How to Remove a Background From an Image for Free
Learn how to remove a background from an image for free, in your browser, with no upload. Works best on flat or plain backgrounds.
How to Compress a PDF Without Losing Quality (Free)
Learn how to compress a PDF for email or upload. See how the free PDF Compressor works, when it suits scans, and what to try if the file is still too big.
How to Compress a Video Without Losing Quality (Free)
Learn how to compress a video for email and chat apps without ruining quality. Simple settings, common mistakes and a free browser-based tool.
The Dangerous Truth About Free File Converters
Free file converters can hide malware and privacy risks. Learn how to spot dangerous tools and use safer browser-based alternatives