Guides & how-tos
Practical walkthroughs for everyday image jobs — written for people who care about their privacy.
Why Offline Image Tools Beat Cloud Uploaders
The case for processing images in your browser instead of uploading them to a stranger’s server — speed, privacy and control.
Privacy by Design: How This Site Handles (Read: Never Touches) Your Files
A concrete look at the architecture, what runs where, and how you can independently verify that nothing is uploaded.
How Image Compression Actually Works (And How to Hit Any File Size)
Quality sliders, target-size modes, and the trade-offs between JPG, WebP and PNG — explained with practical numbers.
EXIF and Location Privacy: What Your Photos Reveal
Every photo carries hidden metadata — camera, time, and often exact GPS coordinates. Here’s how to inspect and remove it before sharing.
JPG vs PNG vs WebP vs AVIF: Which Format Should You Use?
A practical decision guide — which format for photos, screenshots, logos, animation and print, with real size comparisons.
GIF vs Animated WebP vs APNG: The Animation Format Showdown
Why your GIF is 8× bigger than it needs to be — and how to convert animations between all three formats, offline.
How to Convert iPhone HEIC Photos Without Uploading Them
Why iPhones shoot HEIC, why it breaks on Windows and Android — and a 10-second local conversion workflow.
Crop and Resize for Every Social Platform (2026 Cheat Sheet)
Exact pixel dimensions for Instagram, YouTube, Facebook, LinkedIn, X and TikTok — with an offline workflow that keeps your originals private.
How to Compress an Image to Exactly 100KB, 200KB or 1MB
Need a photo under 100KB for a form, 200KB for a portal or 1MB for an email attachment? Hit an exact file-size target in your browser — no uploads.
How to Turn a Video into a GIF (Without Uploading It Anywhere)
Convert MP4, WebM or MOV clips into smooth, shareable GIFs in your browser. Trim, set frame rate and size — the video never leaves your device.
How to Make a GIF from Photos — A Stop-Motion Guide
Turn a series of photos into an animated GIF: flip-books, product spins, before/after loops and slideshows. Runs entirely in your browser.
Can't Open a WebP File? How to View and Convert It to JPG or PNG
WebP images won't open in your old photo app? Here's what WebP is, why the web uses it, and how to convert WebP to JPG or PNG locally in seconds.
How to Resize Images Without Losing Quality (What Actually Works)
Downscaling or enlarging photos without the blur? Understand resampling, learn the settings that preserve sharpness, and resize in bulk — locally.
How to Create a Favicon for Your Website (All Sizes, One Tool)
Generate a complete favicon set — ICO, PNG and Apple Touch icons — from a single image, right in your browser. Includes the HTML tags you need.
How to Watermark Your Photos (Text or Logo) — the Right Way
Protect your images with a text or logo watermark: placement, opacity and sizing rules that deter theft without ruining the photo. Batch-ready, no uploads.
How to Combine Photos Side by Side (or Into a Grid) — No App Install
Merge two, three or dozens of images into one: horizontal strips, vertical stacks and grids with gaps and borders. Runs in your browser, batch-friendly.
How to Batch Convert Hundreds of Images at Once (Free, No Uploads)
Convert an entire folder between JPG, PNG, WebP, AVIF, BMP, GIF and ICO in one pass — HEIC iPhone photos included. Runs locally in your browser.
How to Extract Frames from a GIF or Video (Every Frame, as PNGs)
Pull every frame out of an animated GIF, APNG or video clip as individual images — for analysis, memes, thumbnails and animation reference. No uploads.
How to Convert HEIC to PNG — Lossless Quality, Batch-Ready, No Uploads
Convert iPhone HEIC photos to PNG without quality loss or uploads. Why PNG beats JPG for editing, stickers and transparency — plus bulk conversion steps.