CrateX.app

Password Generator

Password generator for secure random passwords with custom length, character sets, confusing-character exclusions, and zxcvbn-based strength analysis for accounts, admin panels, Wi-Fi credentials, and rotation policies.

QR Code Generator

QR code generator for URLs, Wi-Fi, contacts, email, SMS, and plain text with logo, color, size, error correction, and PNG/JPG/SVG export.

QR Decoder

QR decoder for uploaded PNG, JPEG, WebP, AVIF, HEIC, and HEIF images, with stable ordering for single and multiple codes.

Barcode Decoder

Barcode decoder for PNG, JPEG, WebP, AVIF, HEIC, and HEIF images, supporting one or more barcodes across EAN-13, EAN-8, UPC-A, UPC-E, Code 128, Code 39, Data Matrix, PDF417, and Aztec with stable top-left to bottom-right ordering.

Percentage Calculator

Calculate X% of a number, find what percent one value is of another, reverse a percentage, compare percentage change, and work out percentage difference, discounts, increases, and decreases.

Age Calculator

Calculate exact age in years, months, days, and total days from a birth date and an as-of date.

Date Calculator

Calculate days between dates, or add and subtract years, months, weeks, and days from a date.

Time Duration Calculator

Calculate same-day time differences or add multiple hours-and-minutes durations.

Unit Converter

Unit Converter supports metric, imperial, and US unit conversion across 13 categories including length, weight, temperature, area, volume, time, speed, pressure, energy, power, storage, angle, and frequency.

Timestamp Converter

Timestamp Converter supports bidirectional conversion between Unix timestamps and dates, auto-detects seconds or milliseconds, and includes local, UTC, and city timezone views for logs, debugging, and database work.

World Clock

World Clock supports tracking local time across multiple cities, handles daylight saving changes automatically, and offers digital and analog displays for meetings and cross-timezone planning.

UUID Generator

UUID Generator supports batch generation of UUID v1 and v4 values with configurable casing, hyphens, and quantity for database keys, API tokens, and tracing IDs.

Text Counter

Text Counter supports counts for characters, words, sentences, paragraphs, reading time, and word frequency, with multilingual detection and complexity analysis for SEO checks, summary limits, and writing review.

Text Formatter

Text Formatter supports text cleanup and normalization, including collapsing extra spaces, normalizing line breaks, removing empty lines, and reorganizing paragraphs for copied content and document cleanup.

Text Diff Viewer

Text Diff Viewer supports side-by-side and unified comparison for text, code, and config files, making it useful for code review, proofreading, and configuration checks.

Case Converter

Case converter for camelCase, snake_case, kebab-case, PascalCase, CONSTANT_CASE, and other naming styles used in variables, CSS classes, URLs, API routes, database fields, and docs.

Markdown Converter

Markdown Converter supports bidirectional conversion between Markdown and HTML with live preview, making it useful for docs, blog posts, rich email, and content migration.

URL Encode/Decode

URL Encode/Decode supports percent-encoding and decoding for special characters, spaces, multilingual text, and query values used in API calls, forms, and shared links.

URL Parser

URL Parser breaks common URLs into protocol, hostname, port, path, and query parameters, then lets you edit each part and preview the rebuilt URL in real time.

Base64 Encode/Decode

Base64 Encode/Decode supports text and image workflows. Encode or decode text, convert images to Data URLs or raw Base64, or turn Data URLs / Base64 back into images for local preview and download.

HTML Escape/Unescape

HTML Escape/Unescape supports escaping and unescaping HTML entities for special characters and tag display, making it useful for user input, code examples, and safer content handling.

Unicode Converter

Unicode converter for bidirectional conversion between characters and Unicode code points, with emoji, surrogate pair, and multilingual text handling plus auto-detection for U+, \u, 0x, and decimal formats.

ASCII Converter

ASCII Converter supports bidirectional conversion between characters and ASCII codes, with decimal, hexadecimal, binary, and octal output for programming, protocol debugging, and learning.

Base Converter

Base converter for binary, octal, decimal, and hexadecimal numbers with automatic 0b/0o/0x prefix detection, instant linked updates, and bitwise debugging workflows.

JSON Formatter & Validator

JSON Formatter & Validator lets you format, validate, and minify JSON online, with error locations, key sorting, and indentation control for API debugging, config editing, log inspection, and code review.

JSON to TypeScript

JSON to TypeScript converts JSON samples into TypeScript interfaces and type aliases, with inferred optional fields, unions, and array item structure for API modeling, frontend bootstrapping, and mock data cleanup.

JSON ↔ YAML Converter

JSON ↔ YAML Converter supports bidirectional conversion between JSON and YAML with side-by-side editing and instant sync, making it useful for Kubernetes, Helm, CI configs, and API debugging.

JSON ↔ CSV Converter

JSON ↔ CSV Converter supports bidirectional conversion between CSV, TSV, and JSON, with delimiter detection, header mapping, and field cleanup for imports, exports, spreadsheets, and API payload prep.

JWT Decoder

JWT Decoder supports parsing JWT tokens so you can inspect the header, payload, and time-based claims for API debugging, expiry checks, and token review.

Regex Tester

Online Regex Tester with live matching, capture groups, named groups, and replacement preview for pattern validation, text extraction, and batch replacement.

Hash Checksum

Hash Checksum supports SHA-256, SHA-512, and SHA-1 for text and files, with fast comparison against expected values for download checks, backup verification, and file integrity review.

CSS Unit Converter

CSS unit converter for px, em, rem, %, vw, vh, and pt with responsive breakpoint settings and context-aware calculations for frontend implementation and layout tuning.

Color Converter

Color converter for HEX, RGB, HSL, and CMYK with live preview, color picker, and synchronized values for design handoff, CSS styling, and palette checks.

Lorem Generator

Lorem Generator supports placeholder text generation by paragraph, word, or character count, with an optional Lorem ipsum opening for layout tests, mockups, and content placeholders.

Cron Expression Parser

Cron Expression Parser supports parsing and validating cron expressions, previewing upcoming run times, switching timezones, and reading human-friendly descriptions for crontab, CI/CD, and scheduled task debugging.

Image Format Converter

Image Format Converter supports conversion between WebP, PNG, JPEG, AVIF, and related formats, with HEIC, HEIF, and SVG upload support plus quality control and batch processing.

Image to Text

Image to text tool for extracting text from screenshots, photos, and scanned documents in your browser.

Image Resizer

Image Resizer supports batch resizing by width, height, or ratio, with multiple scaling modes and ZIP download for bulk processing.

Image Compressor

Image Compressor batch-compresses PNG, JPEG, WebP, AVIF, HEIC, and HEIF files with quality controls, max-edge limits, and metadata removal for uploads, social media assets, and email attachments.

Image Cropper

Image Cropper supports drag selection, precise pixel input, aspect-ratio lock, rotation, flip, and multiple crop shapes for avatars, covers, and asset prep.

Image Watermarker

Image Watermarker adds text or logo watermarks in batches, with single or tiled layouts, position, opacity, scale, and rotation controls.

Image Merger

Image Merger combines multiple images vertically, horizontally, or in a grid with configurable spacing, background color, alignment, and export format.

Long Screenshot Stitcher

Long Screenshot Stitcher combines consecutive screenshots into one long image with automatic overlap detection, duplicate removal, and seam fine-tuning.

Image Color Picker & Palette

Image Color Picker & Palette lets you click an image to sample colors, extract dominant colors, and export CSS variables or JSON for design work, brand palettes, and theme systems.

Image Metadata Cleaner

Image Metadata Cleaner lets you inspect EXIF data, check GPS metadata, and export a clean copy before sharing images.

Image Redaction

Image Redaction supports mosaic, blur, and solid masks with rectangle, brush, and eraser tools, and can batch-export same-size images after review.