Blog
Guides for getting files from A to B
Practical, no-fluff articles about file formats and conversions — written by the people who built this site's converters. Every guide pairs with a tool you can run right here in the browser, with your files never leaving your device.
How to Resize an Image Without Losing Quality
Why downscaling is safe and upscaling is a lie (unless AI helps), what resampling actually does, and the settings that keep resized images sharp.
JSON vs YAML vs TOML: Configuration Formats Compared Honestly
Why three config formats coexist, where each one genuinely fits, and the conversion traps between them — comments, types and anchors included.
How to Extract Audio From a Video File (MP4 to MP3 and Beyond)
Three ways to pull audio out of video — full re-encode, stream copy, and video-to-waveform — plus which one keeps the original quality.
7Z vs ZIP vs RAR: Which Archive Format Should You Use?
Compression ratios, compatibility, encryption and recovery compared honestly — plus why 'strongest' is usually the wrong question.
How to Remove EXIF Data From Photos (and Why You Should)
What's really embedded in your phone photos — GPS coordinates, device serials, editing history — and the clean way to strip it before sharing.
How to Combine JPG Photos into a Single PDF
Why image-to-PDF beats pasting photos into documents, how page sizing works, and the fast way to turn a folder of JPGs into one tidy PDF — without uploading anything.
Do Online File Converters Upload Your Files? The Honest Answer
What actually happens to your file when you use a typical online converter, what the terms of service usually say, and how browser-based conversion differs — with a way to verify it yourself.
How to Compress a PDF Under 2 MB (Without Destroying It)
Why PDFs balloon in size, which compression method fits which document, and the honest trade-offs of each — including when rasterizing pages is the right call.
How to Convert DOCX to PDF Without Microsoft Word
Why PDF became the 'final version' format, five ways to convert a Word document without owning Word — and what fidelity you lose with each.
MP4 vs MKV vs WebM: Which Video Format Should You Use?
The three video containers compared honestly — device support, subtitles, streaming, editing — plus the conversion workflows that fix the mismatches.
PNG vs WebP vs AVIF: Which Image Format Should You Actually Use?
A practical comparison of the three formats that matter on the modern web — compression, transparency, browser support and the decision rule we use ourselves.
WAV vs FLAC vs MP3: Lossless and Lossy Audio, Explained Once and Properly
What 'lossless' actually means, how much space each format really costs, when MP3 quality genuinely matters, and the conversions between them that make sense.
HEIC to JPG: Everything iPhone Users Need to Know
Why your iPhone photos are HEIC, when that's a problem, and four honest ways to convert HEIC to JPG — including one that never uploads your photos at all.
What Is an SVG File (and When Should You Convert It to PNG)?
What vector graphics actually are, why SVG dominates icons and logos, and the honest reasons a PNG copy is sometimes the right answer.