Tools
- JSON Formatter — Pretty-print and format JSON with configurable indentation
- JSON Validator — Validate JSON syntax and structure with detailed error messages
- JSON Diff — Compare two JSON objects and highlight differences
- JSON to YAML — Convert JSON to YAML format
- YAML to JSON — Convert YAML to JSON format
- JSON Minifier — Remove all whitespace from JSON to minimize file size
- JSON Path Extractor — Extract values from JSON using dot notation paths
- JSON Tree Viewer — Visualize JSON structure as an expandable tree
- CSV to JSON — Convert CSV data to JSON array format
- JSON to CSV — Convert JSON array to CSV format
- XML to JSON — Convert XML to JSON format
- JSON Schema Validator — Validate JSON data against a JSON Schema (Draft 7)
- JSON Sample Generator — Generate sample JSON data from a JSON Schema
- JSON Query Tool — Query JSON data using JSONPath-like expressions
- Ruby Hash to JSON — Convert Ruby Hash syntax to valid JSON
- Excel to JSON — Convert Excel files to JSON with support for multiple sheets and complex structures
- Regex Tester — Test regex patterns with live matching and capture groups
- Cron Expression Parser — Explain cron expressions in plain English and preview the next 10 run times
- UUID Generator — Generate v1/v4 UUIDs, validate UUIDs, bulk generation
- URL Encoder/Decoder — Encode and decode URLs and query strings
- Base64 Encoder/Decoder — Encode and decode Base64 and Base64URL
- Duplicate Line Remover — Remove duplicate lines from text while preserving order
- Time Converter — Convert between different time units
- Size Converter — Convert between different file size units
- Temperature Converter — Convert between Celsius, Fahrenheit, and Kelvin
- JWT Decoder — Decode and inspect JWT tokens — header, payload, claims, and expiry status
- Hash Generator — Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes
- HMAC Generator — Generate and verify HMAC signatures for webhook verification
- Bcrypt Playground — Hash passwords with bcrypt and verify hashes — adjust cost factor in the browser
- Certificate Inspector — Parse and inspect X.509 certificates — view subject, issuer, expiry, SANs, fingerprint
- Password Generator — Generate cryptographically secure passwords with entropy calculation
- Markdown Viewer — Convert markdown to HTML with real-time preview
- Words Counter — Count words, characters, sentences, and analyze text statistics
- SEO Content Brief Prompt Generator — Create a detailed AI prompt for SEO content briefs with intent, audience, outline, entities, and SERP guidance.
- Blog Outline Prompt Generator — Generate a structured AI prompt for SEO-friendly blog outlines built around a keyword and audience.
- Search Intent Analysis Prompt Generator — Build a prompt that asks AI to classify search intent, audience needs, SERP expectations, and content angle.
- Keyword Cluster Prompt Generator — Create a prompt for grouping keyword lists into SEO clusters, pillar pages, supporting pages, and intent groups.
- Meta Title & Description Prompt Generator — Generate a prompt for writing SEO meta titles and descriptions with variants, intent fit, and character discipline.
- Content Refresh Prompt Generator — Create a prompt for refreshing old blog posts with new intent coverage, stronger sections, and SEO improvements.
- FAQ & People Also Ask Prompt Generator — Generate a prompt for finding FAQ and People Also Ask style questions for SEO articles.
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