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Practical guides, how-to tutorials, and tips to help you work faster with free browser-based tools.
Featured
Large image files slow down your website, waste storage, and frustrate users. Learn how to reduce image file size by up to 90% — with zero visible quality loss — directly in your browser.
Read articleImage Tools
Reduce image file sizes by up to 90% with no visible difference.
Crop to any size or aspect ratio — with a social media cheat sheet.
WebP is 25–50% smaller than PNG. Here's why and how to switch.
Protect your work with a text or logo watermark — positioning tips included.
AI-powered background removal in seconds. No Photoshop needed.
What "high res" actually means — and when it matters for print vs web.
Audio & Video
Which format to pick and how to convert between them free.
Bitrate guide + best formats for podcasts, games, and music.
Cut MP3, WAV, OGG files to exact timestamps right in your browser.
Extract audio from MP4, MKV, MOV and more — no software needed.
Codec guide + bitrate targets for web, email, and social media.
Pack multiple sounds into one file to slash HTTP requests in web games.
Developer Tools
JSON Web Tokens explained in plain English — header, payload, signature.
The browser tools that actually earn a place in your daily workflow.
JWTs, email attachments, CSS data URIs — Base64 is everywhere.
Turn raw API blobs into navigable, syntax-highlighted trees instantly.
Send HTTP requests from your browser — headers, body, methods, all free.
Reduce JS and CSS file sizes by 20–60% with no build tools needed.
fr units, template areas, and a visual generator — no memorizing syntax.
LCP, CLS, TTFB explained — and how to find your slowest assets.
GPS, WiFi, IP — how browsers determine your location and what data returns.
Preview desktop, tablet, and mobile side-by-side without DevTools juggling.
AI Tools
AI-powered cutout in seconds. Perfect for product photos and headshots.
Make small or blurry images sharp — AI predicts the missing detail.
Design Tools
URL, WiFi, vCard, email — download PNG or SVG, print-ready.
All required sizes — .ico, 32px, 180px apple-touch-icon — in one step.
WOFF2 is the modern standard — 30–50% smaller than TTF for web.
Color theory basics + the 60-30-10 rule for picking colors that work.