Developer Tools
A curated set of developer utilities for common tasks like JSON formatting, Base64 encoding, UUID generation, and hash computation. All processing happens locally in your browser — your code never leaves your machine.
JSON Formatter / ValidatorNew
Format, validate, and beautify JSON data with syntax highlighting.
UUID GeneratorNew
Generate random UUIDs (v4) instantly for your projects.
Base64 Encoder / DecoderNew
Encode text to Base64 or decode Base64 strings instantly.
Hash GeneratorNew
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text.
JSON Validator
Validate and debug JSON data with syntax highlight warnings.
JSON Minifier
Compress and minify JSON by stripping white spaces.
JSON Viewer
Inspect and view JSON strings in clean tree layouts.
JSON to YAML Converter
Convert JSON structures to YAML formatting.
YAML to JSON Converter
Convert YAML configuration blocks to JSON.
XML Formatter
Format and beautify XML with custom tag indentations.
XML Validator
Check XML tags and resolve structural layout warnings.
HTML Formatter
Beautify HTML markup with indentation presets.
HTML Minifier
Compress HTML files by stripping comments and double spaces.
CSS Beautifier
Beautify CSS stylesheets with custom spacing rules.
CSS Minifier
Compress CSS stylesheets by stripping spacing and comments.
SQL Formatter
Format and beautify database queries with capitalized keywords.
SQL Minifier
Compress database query scripts by removing comments and line breaks.
URL Encoder/Decoder
Encode or decode strings to safely embed them in URL search queries.
JWT Decoder
Decode and inspect JSON Web Tokens (JWT) headers and claims.
UUID/NanoID GeneratorNew
Generate unique UUID v4, custom NanoID, and Twitter Snowflake IDs.
URL Slug GeneratorNew
Convert text to clean, URL-friendly strings (slugs) with customizable settings.
Regex Tester & Cheat SheetNew
Test, match, and replace strings using Regular Expressions with flags.
Cron Expression GeneratorNew
Build cron expressions visually or translate them into readable English.
Unix Timestamp ConverterNew
Convert Unix epoch timestamps back to dates and vice versa.
Random Password & Number GeneratorNew
Generate strong secure passwords and unique random numbers.
Hash Checker & MatcherNew
Compare and verify if two cryptographic hashes match.
HMAC GeneratorNew
Generate keyed-hash message authentication codes (HMAC) in your browser.
HEX/RGB/HSL Color PickerNew
Select colors and convert between HEX, RGB, and HSL formats.
Color Palette GeneratorNew
Generate harmonious analogous, monochromatic, and triad palettes.
Lorem Ipsum GeneratorNew
Generate customizable placeholder dummy text in seconds.
QR Code GeneratorNew
Create custom scan-ready QR codes for links, text, and data instantly.
Barcode GeneratorNew
Create Code 39 standard vector barcodes client-side.
ASCII Reference TableNew
Explore the complete standard ASCII code table with quick search.
ASCII Art GeneratorNew
Transform standard text into large styled ASCII art banners.
Password Strength CheckerNew
Analyze password complexity, entropy, and estimated crack times.
Bcrypt Hash Generator & VerifierNew
Generate and verify Bcrypt hashes in your browser.
Random Cryptographic Key GeneratorNew
Generate secure random hex cryptographic keys.
AES Encrypt & Decrypt ToolNew
Encrypt and decrypt text messages using secure AES-GCM.
RSA Keypair & Demo ConverterNew
Generate RSA key pairs and inspect public/private PEM details.
User Agent ParserNew
Inspect and parse browser User Agent metadata strings.
Screen Resolution InspectorNew
Diagnose device screen resolution and color depths.
Browser Info & DiagnosticsNew
Get a complete report on your browser name, layout engine, and system properties.
Viewport Size InspectorNew
Measure browser window viewport width and height dynamically.
Touch Support TesterNew
Verify if your current browser device supports touch event interactions.
Device Network InformationNew
Inspect device network connection speed type and online status.
Cookie Viewer & ManagerNew
Inspect, read, and clear browser cookies.
LocalStorage & SessionStorage ViewerNew
Inspect, copy, and clear LocalStorage and SessionStorage key-value pairs.
Clipboard Inspector ToolNew
Inspect, count, and format contents of your clipboard.
Color Contrast CheckerNew
Verify background and text color contrast ratios for WCAG compliance.
Accessibility Color CheckerNew
Analyze color scheme combinations for readability compliance.
HEX, RGB, HSL ConverterNew
Convert colors between HEX, RGB, HSL, and CMYK formats.
CMYK Color ConverterNew
Convert HEX or RGB values to CMYK printing format.
Color Blindness SimulatorNew
Simulate how your design colors look to color-blind users.
Tailwind Color FinderNew
Find the closest matching default Tailwind CSS color shade.
SEO Meta Tag GeneratorNew
Create and preview HTML meta tags for Google search results.
Open Graph Tag GeneratorNew
Generate Open Graph tags for Facebook, LinkedIn, and social media.
Twitter Card GeneratorNew
Generate Twitter Card meta tags and preview Twitter post layouts.
Robots.txt GeneratorNew
Generate robots.txt crawl directives for search engine bots.
XML Sitemap GeneratorNew
Compile XML sitemaps for search engines index structures.
Canonical URL GeneratorNew
Generate canonical link tags to resolve duplicate content SEO issues.
JSON-LD Schema GeneratorNew
Generate structured JSON-LD schemas for articles, products, and organizations.
JSON-LD Formatter & ValidatorNew
Format, validate, and verify JSON-LD structured data tags.
JWT GeneratorNew
Create and sign JSON Web Tokens (JWT) client-side securely.
Secret Token GeneratorNew
Generate secure random keys and tokens for your .env files.