Free In-Browser Developer & Productivity Tools
Fast, distraction-free utility suite designed for everyday work. Runs completely client-side in your browser memory with zero tracking, zero server uploads, and direct clipboard integration.
Clean Copy
Clean messy copied text, fix spacing and line breaks, strip zero-width characters, and normalize quotes.
Text Diff
Compare two texts side-by-side or unified with granular line and character difference highlights.
Word Counter
Count words, characters, characters without spaces, lines, paragraphs, and reading time in real-time.
Case Converter
Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case, and CONSTANT_CASE.
Find & Replace
Search and replace text occurrences with case-matching, live previews, and regular expressions.
Markdown Previewer
Preview Markdown content live with safe client-side formatting and GitHub-flavored markdown support.
JSON Formatter
Format, validate and beautify JSON payloads with customizable 2-space, 4-space, or tab indentation.
JSON Validator
Verify strict RFC 8259 JSON structure and pinpoint syntax errors with exact line and column numbers.
JSON → TypeScript
Convert JSON payloads into clean, strongly typed TypeScript interfaces and type definitions.
Base64 Encoder / Decoder
Encode or decode standard Base64 strings and UTF-8 data safely in the browser with URL-safe mode.
Regex Tester
Test regular expressions against sample text with instant match counts, captured groups, and flags.
Hash Generator
Compute client-side cryptographic hashes (SHA-256, SHA-1, SHA-512, CRC-32) using Web Crypto API.
UUID Generator
Generate RFC 4122 compliant v4 UUIDs individually or in bulk with instant clipboard copying.
URL Encoder / Decoder
Safely encode or decode URL components, special characters, and query strings.
URL Parser
Deconstruct URLs into protocol, host, port, origin, path, query parameters, and hash.
QR Generator
Create high-resolution QR codes from text, URLs, and phone numbers with instant PNG download.
Image Compressor
Reduce image file size with client-side canvas compression, live preview, and reduction percentage.
Image Resizer
Resize image dimensions with aspect ratio lock and quality preservation directly in browser memory.
Image Converter
Convert images between PNG, JPEG, and WebP formats with instant visual preview and download.
Image → PDF
Convert any image into a valid, high-resolution PDF document in pure client-side JavaScript.
Image → Base64
Extract raw Data URL Base64 strings from any image file or clipboard snapshot for code embedding.
JWT Decoder
Inspect JWT header and payload claims securely without transmitting tokens to external servers.
Password Generator
Generate cryptographically strong, random passwords with customizable length and character sets.