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56 developer tools for JSON, JWTs, timestamps, regex, UUIDs, SQL and more. Paste your data and devprix opens the tool that fits — nothing is uploaded.
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Format this JSONDetected from your paste
Input
{"id":"evt_01JB8Z3K","type":"deployment.succeeded","project":{"name":"devprix-tools","region":"bom1"},"durationMs":48213,"cached":true,"tags":["production","next"]}Output
{
"id": "evt_01JB8Z3K",
"type": "deployment.succeeded",
"project": {
"name": "devprix-tools",
"region": "bom1"
},
"durationMs": 48213,
"cached": true,
"tags": [
"production",
"next"
]
}Valid JSON8 keysDepth 2Processed locally
Most-used tools
The everyday jobs, one click away.
JSON FormatterFormat, validate, minify, and inspect JSON with syntax highlighting and a tree viewJWT DecoderDecode and inspect JSON Web TokensTimestamp ConverterConvert Unix timestamps to dates across all timezones with multiple output formatsBase64 Encoder & DecoderEncode and decode Base64 strings onlineUUID GeneratorGenerate UUIDs in all versions — v1, v3, v4, v5, v7, and NilRegex TesterTest regular expressions in real-time with match highlighting, capture groups, and a common patterns librarySQL FormatterBeautify, minify, and syntax-highlight SQL queriesYAML / JSON ConverterConvert between YAML and JSON with validation, sorting, and presets for Docker, Kubernetes, and GitHub Actions
How it works
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eyJhbGciOiJIUzI1NiJ9…devprix picks the tool
It recognises JSON, JWTs, timestamps, URLs, Base64 and more, and opens the right tool with your data filled in.
→ JWT DecoderWork, then copy
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✓ Processed locally
Browse all 56 tools
Pick a group to see its tools.
Format, validate and inspect structured data.
Open Format & ValidateJSON
JSON FormatterFormat, validate, minify, and inspect JSON with syntax highlighting and a tree view.JSON ValidatorValidate JSON syntax online. Check for errors with line numbers, format, minify, and explore with tree view.JSON Path EvaluatorEvaluate JSONPath expressions with live results, tree view, autocomplete, and filter support.JSON DiffCompare two JSON objects structurally. See added, removed, and changed values in a tree view.
Data & query
Data Format ViewerPaste JSON, XML, YAML, CSV, or .env — auto-detect format, view as tree, convert between formats.SQL FormatterBeautify, minify, and syntax-highlight SQL queries. Supports multiple dialects.Regex TesterTest regular expressions in real-time with match highlighting, capture groups, and a common patterns library.
Decode & compare
JWT DecoderDecode and inspect JSON Web Tokens. View header, payload, signature, and expiry status.Cron Expression ParserParse and build cron expressions visually. See next run times, plain English description, and cheat sheet.Text Diff CheckerCompare two texts side-by-side with line and character-level diff highlighting. Unified and split views.
Move data between formats, encodings and units.
Open Convert & EncodeTime
Encoding
Base64 Encoder & DecoderEncode and decode Base64 strings online. Supports text and UTF-8 encoding.URL Encoder & DecoderEncode and decode URLs, parse query strings, and build URLs with a visual parameter editor.String Escape / UnescapeEscape and unescape strings for JSON, HTML, XML, URL, SQL, regex, shell, Java, Python, and more.Image to Base64Convert images to Base64 data URIs. Drag & drop, batch upload, resize, and reverse Base64 to image.
Data formats
YAML / JSON ConverterConvert between YAML and JSON with validation, sorting, and presets for Docker, Kubernetes, and GitHub Actions.CSV to JSON ConverterConvert CSV to JSON and JSON to CSV instantly. Handles headers, custom delimiters, and large datasets.JSON to TypeScriptGenerate TypeScript interfaces, Zod schemas, or JSON Schema from any JSON. Smart type inference with optional fields.Markdown to HTMLConvert Markdown to HTML and back. Live preview with GitHub-flavored Markdown support.
Code & numbers
Curl to CodeConvert curl commands to Python, JavaScript, Go, Java, PHP, Rust, C#, and Ruby code.Number Base ConverterConvert between binary, octal, decimal, and hex. Bit visualization, two's complement, and bitwise operations.Color ConverterConvert between HEX, RGB, HSL with contrast checker, palette generator, and Tailwind CSS matching.
IDs, secrets, hashes, tokens and test data.
Open GenerateIdentifiers & secrets
UUID GeneratorGenerate UUIDs in all versions — v1, v3, v4, v5, v7, and Nil. Bulk generate with formatting options.Password GeneratorPasswords, passphrases, PINs, RSA/EC/Ed25519 key pairs, salts, SHA hashes, and API secrets.QR Code GeneratorGenerate QR codes for URLs, text, WiFi, email, phone, and vCards. Customize colors and download as PNG/SVG.
Hashes & tokens
Hash GeneratorGenerate MD5, SHA-1, SHA-256, SHA-384, SHA-512 hashes. File hashing, HMAC, and checksum verification.MD5 Hash GeneratorGenerate MD5 hashes from text or files instantly. Includes HMAC support and checksum verification.SHA-256 Hash GeneratorGenerate SHA-256 hashes from text or files. Includes file hashing, HMAC generation, and checksum verification.JWT BuilderCreate and sign JSON Web Tokens with HMAC-SHA256/384/512. Set claims, expiry, and verify signatures.
Requests, URLs, status codes, meta tags and previews.
Open Web & APIHTTP
API TesterTest REST APIs in your browser. Send GET, POST, PUT, DELETE requests with headers, auth, and body.HTTP Status CodesSearchable reference for all HTTP status codes with explanations, common causes, and example responses.URL ParserParse any URL into its components: protocol, hostname, path, query parameters, and fragment.
HTML & SEO
HTML Entity EncoderEncode and decode HTML entities. Searchable reference table with 80+ named, decimal, and hex entities.Meta Tag GeneratorGenerate meta tags for SEO, Open Graph, and Twitter Cards with live Google, Facebook, and Twitter previews.OG Preview / DebuggerPreview how your page appears on Google, Facebook, Twitter, Slack, Discord, LinkedIn, and WhatsApp.
Containers, git, networking and permissions.
Open DevOps & ConfigBuild & ship
Transform, count and lay out text.
Open TextTransform
Case ConverterConvert text between camelCase, snake_case, kebab-case, PascalCase, UPPERCASE, and 15+ other formats.Slug GeneratorConvert titles to URL-friendly slugs with transliteration, custom separators, and bulk mode.Line ToolsJoin, split, sort, dedupe, filter, number, and transform lines of text. Multi-line to one-line and back.
Count & build
Word & Character CounterCount words, characters, sentences, and paragraphs. Readability score, keyword density, and case converters.Markdown Table GeneratorVisual table editor that outputs Markdown, HTML, CSV, JSON, and ASCII tables. Import from CSV or Excel.ASCII Art GeneratorConvert text to ASCII art with 8 font styles. Copy as code comments for any language.Percentage CalculatorCalculate percentages, tips, discounts, margins, and markups. Quick reference table and visual bars.
Visual CSS builders and lookups.
Open CSS & DesignBuilders
CSS Gradient GeneratorCreate beautiful CSS gradients visually. Linear, radial, and conic with color stops, presets, and Tailwind output.Box Shadow GeneratorDesign CSS box shadows visually with multiple layers, presets, and live preview.Favicon GeneratorGenerate favicons from images, text, or emoji. Download as PNG, ICO, or ZIP with all sizes.
Tables and cheat sheets.
Open ReferenceReference
ASCII TableFull ASCII character table with decimal, hex, octal, and binary values. Searchable with category filters.HTML Color NamesAll 140+ named CSS colors with swatches, hex, RGB values. Search, sort, and copy.Regex Cheat SheetSearchable regex reference with patterns, examples, and language-specific notes for JS, Python, Go, and Java.
Paste anything. devprix picks the tool.
Press ⌘K on any page, paste JSON, a JWT, a timestamp or a URL, and the right tool opens with your data filled in.