Image Tools
Tools for working with image data locally.
JSON Tools
Tools for working with json data locally.
Math Tools
Tools for working with math data locally.
Regex Tools
Tools for working with regex data locally.
Text Tools
Tools for working with text data locally.
Time Tools
Tools for working with time data locally.
App Icon Generator
Generate app icons for Android, iOS, and PWA from a single square image. All sizes generated instantly in your browser — 100% client-side.
Contrast Checker
Check color contrast ratios per WCAG 2.1 guidelines. Test foreground and background color combinations for AA and AAA compliance.
Duplicate Image Detector
Upload two images and compare them using perceptual hashing. Detect duplicates and similar images with Hamming distance and similarity scoring — 100% client-side.
EXIF Viewer
View and remove EXIF metadata from JPEG images including camera make, model, GPS coordinates, and more. 100% client-side with zero data upload.
Favicon Generator
Generate PNG favicons in multiple sizes from any image. 100% browser-based with zero server uploads.
Image Compressor
Compress JPEG, WEBP, and AVIF images to reduce file size while maintaining quality. 100% client-side with zero data upload.
Image Converter
Convert images between PNG, JPG, WEBP, AVIF, and BMP formats instantly in your browser. 100% client-side with zero data upload.
Image Cropper
Crop images with free selection or preset aspect ratios including 1:1, 4:3, 16:9, and 9:16. 100% client-side with zero data upload.
Image Editor
Edit images with a pipeline builder — crop, resize, rotate, flip, convert, and compress in your browser. 100% client-side with zero data upload.
Image Hash Generator
Generate perceptual image hashes (aHash, dHash, pHash) and compare them with Hamming distance. Detect duplicate and similar images — 100% client-side.
Image Histogram
Visualize RGB and luminance histograms of any image. Analyze color distribution and exposure levels — 100% client-side.
Image Resizer
Resize images by width, height, percentage, or exact dimensions while maintaining aspect ratio. 100% client-side with zero data upload.
Image to Base64
Convert images to Base64 data URIs and decode Base64 strings back to images. 100% client-side with zero data upload.
Palette Extractor
Extract dominant colors from any image. Get HEX, RGB, and HSL values. 100% browser-based with zero server uploads.
Pixel Analyzer
Analyze image pixel data including resolution, aspect ratio, color depth, and transparency. Get detailed statistics about any image — 100% client-side.
Placeholder Image Generator
Generate custom placeholder images with dimensions, colors, and text. Perfect for UI mockups and web development. 100% browser-based.
PNG Palette Inspector
Analyze the color palette of any image. View color count, distribution, swatches sorted by frequency, and transparency analysis.
Sprite Sheet Generator
Combine multiple images into a single sprite sheet PNG. Arrange in horizontal, vertical, or grid layout with custom spacing. Includes CSS preview.
SVG Rasterizer
Convert SVG vector graphics to PNG, WEBP, or JPG raster images instantly in your browser. 100% client-side with zero data upload.
Transparent Padding
Add transparent or colored padding around your images. Square mode, letterbox mode, with customizable alignment and background color.
JMESPath Tester — Query JSON with JMESPath
Test JMESPath expressions against your JSON data with real-time results. JMESPath is the query language used by AWS CLI and boto3. 100% client-side.
JSON → C# DTO
Generate C# DTOs from JSON with JsonPropertyName.
JSON → Go Struct
Generate Go structs from JSON with json tags.
JSON → Java POJO
Generate Java POJO classes from JSON with Lombok support.
JSON → Python Class
Generate Python classes from JSON. Supports Pydantic.
JSON → SQL
Convert JSON data to SQL statements with type inference.
JSON → TypeScript
Generate TypeScript interfaces from JSON objects instantly.
JSON → XML
Convert JSON to formatted XML. Handles arrays and nested objects.
JSON → YAML
Convert JSON to clean YAML. Handles nested objects and arrays.
JSON Diff — Compare JSON Data Online
Compare two JSON objects side by side and instantly see the differences. Deep recursive diff with added, removed, and changed values highlighted.
JSON Escape — Encode JSON Strings Safely
Escape JSON strings to make them safe for embedding in HTML, JavaScript, SQL queries, or URL parameters. 100% client-side.
JSON Flatten — Nested to Dot-Notation
Flatten nested JSON objects into single-level key-value pairs using dot notation. Perfect for configuration, logging, and data analysis. 100% client-side.
JSON Formatter
Beautify, format, and minify messy JSON data instantly with configurable indentation. Supports large nested objects, arrays, and precise syntax error detection.
JSON Key Extractor — Extract All Keys & Paths
Extract all keys, paths, and their types from JSON objects recursively. Perfect for understanding data structure, generating documentation, and mapping API responses. 100% client-side.
JSON Merge — Deep Merge Multiple Objects
Deep merge two or more JSON objects into one with intelligent conflict resolution. Handles nested objects, arrays, and type conflicts. 100% client-side.
JSON Mock Generator — Generate Realistic Test Data
Generate realistic mock JSON data from a JSON Schema using Faker. Perfect for prototyping, testing, and populating demo environments with lifelike data. 100% client-side.
JSON Patch Generator — RFC 6902 Diff Tool
Generate RFC 6902 JSON Patch operations by comparing two JSON objects. Produces add, remove, replace, move, copy, and test operations. 100% client-side.
JSON Random Generator — Faker-Powered Test Data
Generate random JSON data using Faker.js for testing and prototyping. Customize structure, types, and output size. 100% client-side.
JSON Schema Generator — Draft-07 from JSON
Generate JSON Schema (Draft-07) from your JSON data automatically. Handles nested objects, arrays, and type inference. 100% client-side.
JSON Size Analyzer — Analyze JSON Structure & Size
Analyze your JSON data — key count, nesting depth, array sizes, data types, and byte size. Get detailed structural insights instantly. 100% client-side.
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