aitool.ing
Images
🗜️
Image Compressor
🖼️
Image Converter
📐
Image Resizer
🔲
Image Cropper
Text
🔑
Random Password Generator
🔢
Word Counter
🔠
Case Converter
🧹
Remove Duplicate Lines
🔤
Text Sorter
🧩
JSON Formatter & Validator
🔍
Text Diff Checker
🔐
Base64 Encoder & Decoder
Files
🗜️
ZIP Creator
📦
ZIP Extractor
PDF
📄
PDF Compressor
🖼️
PDF to Images
🔗
Merge PDF
✂️
Split PDF
📝
PDF to Text
📑
Image to PDF
Language
English
简体中文
繁體中文
日本語
Free online tools, right in your browser
No sign-up, no uploads. Everything runs locally on your device.
🔑
Random Password Generator
Create strong, cryptographically secure passwords instantly.
🔢
Word Counter
Count words, characters, and lines in any text.
🔠
Case Converter
Convert text to UPPER, lower, Title, camelCase, snake_case and more.
🧹
Remove Duplicate Lines
Delete repeated lines from any list while keeping your original order.
🔤
Text Sorter
Sort lines A–Z, Z–A, by length, numerically — or shuffle them randomly.
🧩
JSON Formatter & Validator
Beautify, minify and validate JSON — with the exact error position.
🔍
Text Diff Checker
Compare two texts line by line and see every change highlighted.
🔐
Base64 Encoder & Decoder
Encode and decode Base64 with correct UTF-8 handling, offline.
🗜️
Image Compressor
Shrink image file size without uploading.
🖼️
Image Converter
Convert between JPG, PNG, WebP, and more.
🗜️
ZIP Creator
Bundle files into a ZIP archive in your browser.
📦
ZIP Extractor
Extract ZIP archives without uploading files.
📄
PDF Compressor
Reduce PDF file size locally in your browser.
🖼️
PDF to Images
Convert PDF pages to images in your browser.
🔗
Merge PDF
Combine several PDFs into one, in the order you choose.
✂️
Split PDF
Extract pages or split a PDF into many files.
📝
PDF to Text
Pull the text out of a PDF — as TXT, Markdown or JSON.
📑
Image to PDF
Turn JPG, PNG and WebP photos into a single PDF.
📐
Image Resizer
Batch resize photos, with platform size presets.
🔲
Image Cropper
Crop, rotate and flip a photo — with ratio lock.
