The Ultimate
Alpha Toolkit
A curated set of cryptographic & encoding utilities,
built for precision. No tracking. No backend. Pure client-side.
All 78 Tools
Click any card to open the tool on its own dedicated page. Press / to search.
Password Generator
Cryptographically strong passwords with full control over length and character sets.
Hash Generator
SHA-1, SHA-256, SHA-384 and SHA-512 digests via the Web Crypto API.
JWT Decoder
Decode JSON Web Tokens — inspect header, payload, expiry and claims.
Base64 Encode / Decode
Encode or decode Base64 strings — Unicode and binary-safe.
URL Encoder / Decoder
Encode special characters for URL safety or decode percent-encoded strings.
Case Converter
Transform text into camelCase, PascalCase, snake_case, kebab-case and more.
JSON Formatter
Validate, beautify and minify JSON with human-friendly error messages.
Regex Tester
Test regular expressions with live match highlighting and capture group display.
Markdown Previewer
Write and preview Markdown in real time — safe, fully client-side rendering.
Text Diff Checker
Compare two texts line-by-line — see additions, deletions and unchanged lines.
UUID Generator
Generate RFC-4122 v4 UUIDs in bulk using the browser's secure random source.
Lorem Ipsum
Generate placeholder text by words, sentences, or paragraphs — instantly.
QR Code Generator
Generate QR codes for text, URLs, Wi-Fi, email and SMS with colour options.
Gradient Generator
Build beautiful CSS linear gradients with live preview and one-click copy.
Timestamp Converter
Convert Unix timestamps to human-readable dates and back — with live clock.
Color Converter
Convert between HEX, RGB and HSL with a live color preview swatch and picker.
QR Code Reader
Upload an image with a QR code and instantly decode its contents.
Bcrypt Hash Generator
Hash passwords with the industry-standard adaptive bcrypt algorithm.
HMAC Generator
Generate HMAC-SHA256/512 message authentication codes for secure signing.
Password Strength Checker
Analyse entropy, check breach databases and get actionable improvement tips.
Random Token Generator
Generate cryptographically secure random tokens for API keys and sessions.
UUID Validator
Validate UUIDs and determine their version (v1–v5) and variant.
File Checksum Tool
Compute SHA-256, SHA-512 checksums for files — 100% client-side.
Base32 Encoder / Decoder
Encode and decode text with the Base32 alphabet — useful for TOTP secrets.
Hex Encoder / Decoder
Convert text to hexadecimal and back — useful for binary data inspection.
HTML Encode / Decode
Escape HTML entities like & < or decode them back to characters.
Binary Text Converter
Convert text to binary (0s and 1s) and binary back to human-readable text.
ASCII Converter
Convert characters to ASCII codes — decimal, hex, octal and binary.
ROT13 Encoder / Decoder
Apply the ROT13 cipher — encodes and decodes with the same operation.
JSON Minifier
Remove whitespace and compress JSON to its smallest valid form.
JSON Validator
Validate JSON syntax and get clear, line-specific error messages.
JSON to YAML
Convert JSON to human-readable YAML format.
YAML to JSON
Convert YAML to structured JSON — parse YAML files instantly.
JSON to CSV
Convert a JSON array of objects to a CSV table with auto-detected columns.
CSV to JSON
Parse CSV data and convert it to a JSON array using header row as keys.
JSON Diff Tool
Compare two JSON objects and highlight differences, additions and deletions.
JSON Sorter
Sort JSON object keys alphabetically or by value — ascending or descending.
SQL Formatter
Format and prettify SQL queries with keyword highlighting.
XML Formatter
Indent and format XML documents for better readability.
HTML Minifier
Minify HTML by removing comments, whitespace and unused attributes.
CSS Minifier
Minify CSS by removing whitespace, comments and redundant declarations.
JavaScript Minifier
Minify JavaScript by removing comments and unnecessary whitespace.
HTTP Status Code Lookup
Look up any HTTP status code and get a full explanation of its meaning.
MIME Type Lookup
Find MIME types by file extension or extension from MIME type.
Word Counter
Count words, characters, sentences and paragraphs with reading time estimate.
Text Sorter
Sort lines alphabetically, numerically or by length — ascending or descending.
Remove Duplicate Lines
Remove duplicate lines from any list — with trim and case-insensitive mode.
Line Numbering Tool
Add or remove line numbers from any block of text.
Text Reverser
Reverse text character by character or word by word instantly.
Slug Generator
Convert any text into a URL-friendly slug — no special chars, lowercase.
Random String Generator
Generate random strings with custom length, characters and format options.
Text Cleaner
Strip extra whitespace, trim lines and normalize line endings.
Find and Replace Tool
Find and replace text — supports regex, case sensitivity and global replace.
Color Palette Generator
Generate harmonious color palettes — complementary, triadic, analogous.
Random Number Generator
Generate random numbers with custom min/max, count and decimal options.
Random Color Generator
Generate random colors with HEX, RGB and HSL output — single or bulk.
Random Name Generator
Generate random first, last and full names from diverse datasets.
Fake Data Generator
Generate realistic fake data — names, emails, addresses — in JSON or CSV.
CSS Unit Converter
Convert between CSS units — px, rem, em, vw, vh and percentages.
Temperature Converter
Convert between Celsius, Fahrenheit and Kelvin instantly.
Bytes Converter
Convert between bytes, KB, MB, GB, TB and binary units (KiB, MiB, GiB).
Number Base Converter
Convert numbers between binary, octal, decimal and hexadecimal.
Percentage Calculator
Calculate percentages, percentage change and reverse calculations.
Aspect Ratio Calculator
Calculate aspect ratios — resize images and videos while preserving proportions.
URL Parser
Parse any URL into protocol, host, path, query params and hash components.
Meta Tag Generator
Generate essential HTML meta tags for SEO — title, description, robots.
Open Graph Tag Generator
Generate OG and Twitter Card meta tags for better social sharing previews.
Query String Parser
Parse URL query strings into key-value pairs and vice versa.
URL Builder
Build URLs by adding base, path and query parameters step by step.
User Agent Parser
Parse User-Agent strings to extract browser, OS, device and engine info.
Robots.txt Generator
Generate robots.txt files with rules for search engine bot crawling.
Image to Base64
Convert any image to a Base64 data URI — for CSS backgrounds and HTML embeds.
Base64 to Image
Preview and download images from Base64 data URIs instantly.
Image Metadata Viewer
View EXIF metadata from images — dimensions, camera info, GPS coordinates.
SVG Optimizer
Reduce SVG file size by removing unnecessary attributes and comments.
Favicon Generator
Generate favicons from text, emoji or uploaded image in multiple sizes.
Image Dimension Checker
Instantly check image dimensions, file size and aspect ratio.
QR Batch Generator
Generate multiple QR codes at once from a list — download as PNGs.
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Password Generator
Generate cryptographically strong passwords with full customisation.
Hash Generator
Generate SHA family digests from any text input using the Web Crypto API.
Base64 Encode / Decode
Instantly encode or decode Base64 strings — fully client-side.
UUID Generator
Generate RFC-4122 compliant version 4 UUIDs using the browser's secure random source.
JSON Formatter & Validator
Validate, beautify, and minify JSON — with human-friendly error messages.
URL Encoder / Decoder
Encode special characters for safe URL transmission or decode percent-encoded strings.
JWT Decoder
Decode and inspect JSON Web Tokens — header, payload, and expiry at a glance.
Regex Tester
Test regular expressions with live match highlighting, group capture, and flag support.
Timestamp Converter
Convert Unix timestamps to human-readable dates and back, in local and UTC time.
Unix → Date
Date → Unix
Case Converter
Transform text into any naming convention — from camelCase to kebab-case and beyond.
Markdown Previewer
Write and preview Markdown in real time — safe, client-side rendering.
QR Code Generator
Generate scannable QR codes for text, URLs, Wi-Fi, email, SMS, and phone numbers.
ⓘ For best scanning results, maintain high contrast between foreground and background colors.
QR code will appear here
QR Code Reader
Upload an image containing a QR code and instantly decode its contents.
Color Converter
Convert between HEX, RGB, and HSL with a live color preview.
Gradient Generator
Build beautiful CSS linear gradients with live preview and one-click code copy.
Lorem Ipsum Generator
Generate placeholder text by words, sentences, or paragraphs — instantly.
Text Diff Checker
Compare two blocks of text and see additions, deletions, and unchanged lines at a glance.