Developer Tools

JSON Formatter & Beautifier

Format, beautify, indent, minify, and inspect JSON data with syntax highlighting, collapsible nodes, and error reporting.

JSON Validator & Linter

Validate JSON syntax in real time with line and column error indicators, character offsets, and auto-fix capabilities.

Base64 Encoder (Text & Files)

Convert plain text, UTF-8 strings, images, and files into standard Base64 or Data URI format.

Base64 Decoder (Text & Files)

Decode Base64 encoded strings and Data URIs back to clean UTF-8 text, inspect hex representation, or download decoded files.

UUID / GUID Generator

Generate cryptographically random UUID v4 and timestamp-based UUID v1 identifiers in bulk with uppercase, hyphen, and brace formatting.

Unix Timestamp Converter

Convert Unix epoch timestamps (seconds & milliseconds) to human-readable dates (UTC, Local, ISO-8601, RFC 2822) and vice versa.

URL / URI Encoder

Encode raw strings and query parameters into standard percent-encoded URLs (encodeURI & encodeURIComponent).

URL / URI Decoder & Query Parser

Decode percent-encoded URLs and query parameters into readable text with structured breakdown of protocol, host, path, and query arguments.

Diff Checker & Text Comparator

Compare two text blocks or code snippets side-by-side with line-by-line character difference highlighting and statistics.

Markdown to HTML & Live Previewer

Write or paste GitHub Flavored Markdown and instantly preview the rendered document with 1-click HTML markup export.

CSV to JSON & JSON to CSV Converter

Bi-directional tabular data converter between CSV/TSV spreadsheets and structured JSON arrays with custom delimiter support.

Case Converter (camelCase, snake_case, kebab-case)

Transform text and code variable names across camelCase, snake_case, kebab-case, PascalCase, CONSTANT_CASE, and Title Case.

Cryptographic Hash Generator (SHA-256, SHA-512, SHA-1)

Compute secure cryptographic checksums using native W3C Web Crypto API with uppercase/lowercase formatting and bit-length auditing.

Cron Expression Generator & Schedule Explainer

JWT Token Debugger & Claims Inspector

cURL to Fetch / Python / Axios Converter

HTML to Markdown Converter & Clean Text Extractor

Regular Expression (Regex) Tester & Match Explainer

SQL Query Formatter & Minifier

JSON to TypeScript Interface & Type Converter

Cron Schedule Expression Tester & Execution Visualizer

Text Difference & Inline Character Diff Highlighter

List Deduplicator, Sorter & Text Cleaner

JSON to YAML & YAML to JSON Converter

Hex, Decimal, Binary & Octal Number Base Converter

URL Slug Generator & Clean Permalinks Tool

Unix Timestamp Batch Converter & Date Matrix

JWT Payload Inspector & Client-Side HMAC Validator

JSON Minifier & White-Space Compressor

cURL to Python Requests Code Converter

Bulk UUID v4 & GUID Batch Generator

HTML Entity Encoder & Decoder Tool

Random String, Secret Key & API Token Generator

SQL IN Clause Batch Formatter & Query Builder

SVG Path Visualizer, Bounding Box & Minifier

CSV Column Extractor, Reorderer & Row Filter

URL Parser, Query Parameter Builder & Visualizer

cURL to JavaScript Axios Code Converter

Binary to Hex, ASCII Text & Decimal Translator

Markdown Table Generator & Spreadsheet Grid Builder

Base64 Image Encoder, Decoder & Data URI Generator

JavaScript Event KeyCodes & Keyboard Event Inspector

cURL to PHP cURL Code Converter

TSV to JSON, CSV & Markdown Table Converter

Mock JSON Data & REST API Schema Generator

Cron Expression to Plain English Explainer

cURL to Go net/http Code Converter

Lorem Markdown Documentation Page Generator

JavaScript Regular Expression Cheat Sheet & Tester

cURL to Ruby Net::HTTP Code Converter

CSV to SQL DDL Generator — SQLite, Postgres & MySQL

Bcrypt Work Factor & Latency Security Calculator

cURL to Rust reqwest Code Converter

Crontab Generator & Syntax Validator

JSON to TypeScript Interface & Type Generator

cURL to C# HttpClient Code Converter

JSON to CSV Spreadsheet Table Converter

Password Strength & Shannon Entropy Meter

cURL to Dart & Flutter http Code Converter

YAML to JSON Online Converter

JSON to Zod Schema & TypeScript Type Generator

cURL to Kotlin OkHttp Code Converter

JSON to .env Environment File Converter

cURL to Swift URLSession Code Converter

Cron Schedule Human Expression Builder

JSON to XML Online Converter

cURL to PowerShell Invoke-RestMethod Converter

Crontab Schedule Next Runs Calculator & Simulator

JSON Beautifier, Minifier & Syntax Linter

cURL to R (httr & httr2) Code Converter

Crontab to systemd Timer Unit Converter

Base32 Encoder & Decoder (RFC 4648)

cURL to Clojure (clj-http & babashka) Code Converter

Crontab to AWS EventBridge / CloudWatch Cron Converter

cURL to Elixir (Req & HTTPoison) Code Converter

Crontab to GitHub Actions Workflow Schedule Converter

cURL to Scala (sttp & requests-scala) Code Converter

Crontab to Kubernetes CronJob Manifest Generator

cURL to OCaml (Cohttp & Ezcurl) Code Converter

Crontab to GitLab CI/CD Pipeline Schedule Generator

cURL to Haskell (http-conduit & Wreq) Code Converter

Crontab to Azure Functions NCRONTAB Timer Generator

cURL to Zig (std.http.Client) Code Converter

Crontab to AWS CloudWatch & EventBridge Schedule Converter

cURL to Lua (LuaSocket & OpenResty) Code Converter

Crontab to Google Cloud Scheduler Job Generator

cURL to Perl (LWP::UserAgent & HTTP::Tiny) Code Converter

Crontab to Datadog Synthetics API Test Schedule Generator

cURL to OCaml Ezcurl & Ezcurl_lwt Client Converter

Crontab to Uptime Kuma Push Monitor & Heartbeat Converter

cURL to Scala Akka HTTP & Apache Pekko HTTP Converter

Crontab to Better Uptime Heartbeat Monitor Converter

cURL to Dart Dio (Flutter) Request Converter

Crontab to Healthchecks.io Dead Man's Switch Heartbeat Converter

cURL to Go fasthttp (Zero-Allocation) Request Converter

Crontab to PagerDuty Events API v2 Heartbeat & Alert Generator

cURL to HTTPie CLI Command Converter

Crontab to Cronitor Telemetry & Heartbeat Monitor Converter

cURL to Python urllib3 PoolManager Converter

Crontab to New Relic Telemetry & Heartbeat Monitor Converter

cURL to Ruby Faraday HTTP Client Converter

Crontab to Splunk (SignalFx) Telemetry & Heartbeat Converter

cURL to C# / .NET HttpClient Code Converter

Crontab to Honeycomb Marker & Metric Telemetry Converter

cURL to Swift URLSession async/await Converter

Crontab to Prometheus Pushgateway Metric Exporter

cURL to Java HttpClient Code Converter

Crontab to Opsgenie Heartbeat & Incident Alert Exporter