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Image, audio, PDF, AI and dev tools — ready to use.
100+ Tools · Daily Updates · Privacy First
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Featured Tools
View All ToolsImage Compressor
An online image compression tool supporting Ctrl+V paste and drag-and-drop, with precise control over output size and quality, and one-click export to modern formats like WEBP/AVIF.
JSON Formatter
Format, minify and validate JSON instantly in your browser.
Base64 Encoder / Decoder
Encode/decode text to Base64 and convert between images and Base64.
URL / HTML Encoder
Encode or decode URL and HTML entities.
Word Counter
Count Chinese/English characters, words, lines, paragraphs and top keywords.
Case & Sort Lines
Convert text case; sort and deduplicate lines.
Timestamp Converter
Convert between Unix timestamps and readable dates.
Radix Converter
Convert numbers between base 2, 8, 10 and 16.
Color Converter
Convert HEX/RGB/HSL colors and simulate color blindness.
Regex Tester
Test regular expressions and preview matches.
Password & UUID Generator
Generate strong random passwords and UUIDs.
MD5 / SHA Hash
Compute MD5, SHA-1 and SHA-256 locally for text or files.
Merge PDF
Combine multiple PDF files into one.
Extract PDF Pages
Extract selected pages or ranges into a new PDF.
Compress PDF
Rebuild pages as images to reduce file size (lossy).
PDF to Image
Convert each PDF page into PNG or JPEG images.
Markdown Preview
Live Markdown preview with HTML export.
Text Diff
Compare two texts and highlight added/removed lines.
Chinese Converter
Convert between Simplified and Traditional Chinese.
Batch Image Compressor
Online batch compression tool supporting up to 50 images, full format coverage including JPG/PNG/WEBP/AVIF, controllable size and quality, one-click ZIP download, drag-and-drop or paste import.
Image Flip
Support horizontal flip, vertical flip, and rotation at any angle
Batch Image Flip
Supports batch flipping and rotating up to 50 images at once, with horizontal flip, vertical flip, and custom angle rotation. Maintains original dimensions, one-click ZIP download, drag-and-drop/paste import, fully local processing.
Old Photo Restoration & Colorization
AI-powered restoration of damaged, blurry old photos with one-click natural colorization
Crop Image
Crop images with a draggable selection and fine-tune position and size.
Convert Image
Batch convert images between PNG, JPEG and WebP, then download as ZIP.
Watermark Image
Add text or image watermarks with adjustable position and opacity.
Combine Images
Combine multiple images horizontally, vertically or in a grid.
Grid Cut
Split one image into layouts from 1×2 up to 4×4 and download as ZIP.
Corner & Shape
Cut images into rounded corners or circle/ellipse with transparent background.
Rounded Frame
Add a rounded colored frame around your image.
Coming soon: AI upscale & restore, AI ID photo, word counter, batch image converter, QR generator, AI voice cloning.
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