Tools JSON Formatter — Pretty-print and format JSON with configurable indentationJSON Validator — Validate JSON syntax and structure with detailed error messagesJSON Diff — Compare two JSON objects and highlight differencesJSON to YAML — Convert JSON to YAML formatYAML to JSON — Convert YAML to JSON formatJSON Minifier — Remove all whitespace from JSON to minimize file sizeJSON Path Extractor — Extract values from JSON using dot notation pathsJSON Tree Viewer — Visualize JSON structure as an expandable treeCSV to JSON — Convert CSV data to JSON array formatJSON to CSV — Convert JSON array to CSV formatXML to JSON — Convert XML to JSON formatJSON Schema Validator — Validate JSON data against a JSON Schema (Draft 7)JSON Sample Generator — Generate sample JSON data from a JSON SchemaJSON Query Tool — Query JSON data using JSONPath-like expressionsRuby Hash to JSON — Convert Ruby Hash syntax to valid JSONExcel to JSON — Convert Excel files to JSON with support for multiple sheets and complex structuresRegex Tester — Test regex patterns with live matching and capture groupsCron Expression Parser — Explain cron expressions in plain English and preview the next 10 run timesUUID Generator — Generate v1/v4 UUIDs, validate UUIDs, bulk generationURL Encoder/Decoder — Encode and decode URLs and query stringsBase64 Encoder/Decoder — Encode and decode Base64 and Base64URLDuplicate Line Remover — Remove duplicate lines from text while preserving orderWebhook Sender — Free online webhook sender tool to test HTTP endpoints. Send POST, GET, PUT, PATCH, and DELETE requests with custom JSON payloads, headers, and timeout options.Payload Generator — Generate realistic webhook payloads for Stripe, GitHub, and ShopifyWebhook Receiver — Create temporary URLs to capture and inspect incoming webhooksHTML Entity Converter — Encode or decode HTML entities — escape special characters or convert entities backTime Converter — Convert between different time unitsSize Converter — Convert between different file size unitsTemperature Converter — Convert between Celsius, Fahrenheit, and KelvinNumber Base Converter — Convert numbers between binary, octal, decimal, and hexadecimalColor Converter — Convert colors between HEX, RGB, HSL, and named color formatsJWT Decoder — Decode and inspect JWT tokens — header, payload, claims, and expiry statusHash Generator — Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashesHMAC Generator — Generate and verify HMAC signatures for webhook verificationSecret Key Generator — Generate secure random secrets for SESSION_SECRET, JWT_SECRET, AUTH_SECRET, HMAC, API tokens, and webhooksBcrypt Playground — Hash passwords with bcrypt and verify hashes — adjust cost factor in the browserCertificate Inspector — Parse and inspect X.509 certificates — view subject, issuer, expiry, SANs, fingerprintPassword Generator — Generate cryptographically secure passwords with entropy calculationMarkdown Viewer — Convert markdown to HTML with real-time previewWords Counter — Count words, characters, sentences, and analyze text statisticsText Diff — Compare two texts and highlight differences line by lineHTML Preview — Preview HTML in real-time with a sandboxed iframe rendererCase Converter — Convert text between camelCase, snake_case, kebab-case, UPPERCASE, lowercase, and moreFind & Replace — Find and replace text with regex, case-sensitive, and whole word matchingText Sorter — Sort text lines ascending, descending, shuffle, or remove duplicatesSEO 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.Kafka Message Flow — Visualize how producers, partitions, and consumers move messages through a Kafka topicKafka Consumer Lag — Simulate consumer lag growth and recovery as produce/consume rates divergeKafka Consumer Rebalance — Watch partition rebalancing across a consumer group as members join and leaveRate Limiters — Compare token bucket, leaky bucket, fixed window, and sliding window rate limitingCaching Simulator — Explore 5 cache strategies and 4 eviction policies with request-flow visualizationConsistent Hashing — Visualize a hash ring, virtual nodes, and key distribution under topology changeUptime SLA — Calculate SLA targets, nines of availability, and allowed downtime per yearLatency Simulator — Analyze p50, p95, and p99 latency percentiles and tail-latency distributionsConsensus / Raft — Watch leader election, log replication, and quorum as nodes join, crash, and recoverCircuit Breaker — See closed, open, and half-open states trip and recover as failures cross a thresholdLoad Balancer — Compare round-robin, least-connections, weighted, and random across backend nodesQueue / Backpressure — Push producers against a bounded buffer and watch drop, block, or overwrite under overloadCAP Theorem — Visualize trade-offs between Consistency, Availability, and Partition Tolerance in distributed systems Company Legal Account