FormatOwl blog
Start with a real task. Find the right tool and get it done.
Build a Color Palette, Then Check the Contrast That Matters
Convert HEX, RGB and HSL, create shades and gradients, and test text-background pairs without treating a palette as an accessibility audit.
How to Compress a Video for Sharing Without Uploading the Source
Compress one video or a batch, estimate a target size, review actual MP4 output and keep source files on your device.
MP4 to MP3 and Audio Conversion: A Practical Export Workflow
Extract audio from local video, choose MP3, WAV or FLAC, and trim, join or adjust recordings without confusing louder with better.
JPG, PNG, WebP or AVIF: Choose an Image Format for the Job
Compare transparency, compression and destination compatibility, then convert static images without mistaking a new format for restored quality.
Password Generator, Passphrase or Hash: Choose the Right Tool
Understand what password generation, strength checks, SHA hashing and bcrypt verification do before choosing an output.
JPG to PDF, PDF to JPG, or Extract Images: Which Tool Do You Need?
Choose between building a PDF from images, rendering complete PDF pages and extracting embedded images, with practical resolution checks.