How to use

Compress multiple images in their original format, compare size changes, and save the results.

Learn where to load multiple images, choose format and quality, review conversion results, download individually, download as ZIP, and convert again.

Learn where to load an image, crop, resize, keep aspect ratio, choose format and quality, preview, copy, and download.

Learn where to load multiple images, choose output format, select targets, remove backgrounds, review result cards, download individually, download as ZIP, and retry.

Steps for placing mosaic, blur, or fill areas over parts of an image and saving the result.

Detailed reference by screen area for loading a video, checking source information, choosing output format, monitoring progress, reviewing the converted result, saving, and retrying.

A current screen-area reference for Markdown input, the formatting toolbar, preview, themes, layout switching, HTML output, code block helpers, copy, and download actions.

A screen-area guide for entering before and after text, choosing language and diff unit, ignoring whitespace, syncing scroll, reviewing highlights, copying, and clearing.

Detailed reference for JSON input, formatting, minifying, validation, result review, and copying by screen area.

Detailed reference for Mermaid syntax input, editor actions, preview, themes, output, and error review by screen area.

Detailed reference for PlantUML syntax input, editor actions, preview, themes, output, and error review by screen area.

A screen-area guide for IP, connection, server-observed data, browser, device, permissions, and shareable JSON.

Detailed reference for HTML input, formatting, minifying, result review, copy, and retry by screen area.

Detailed reference for CSS input, formatting, minifying, result review, copy, and retry by screen area.

Detailed reference for character encoding, source input, Base64 conversion, restore, copy, and swap by screen area.

Detailed reference for URL prefix options, separators, source input, encode/decode actions, copy, and reuse by screen area.

This guide explains how to pick colors, sample from an image, review alpha-enabled color codes, and copy or reuse them.

Detailed reference by screen area for choosing favicon source material, adjusting a text logo, reviewing square and size previews, and saving ICO, PNG, SVG, manifest, and HTML examples.

Detailed reference by screen area for QR content input, size, margin, error correction, color, transparency, output information, and PNG/SVG saving.

Detailed reference by screen area for presets, length, count, character rules, minimum counts, excluded characters, strength, compliance checks, and copying.