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Developer & Creator Toolkit

Free Online Tools & Utilities

A curated suite of fast, secure, 100% client-side web tools for developers, designers, writers, and students. Everything operates locally within your browser.

Text & Content Tools

Compare, transform, format, and inspect textual content.

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Text Compare / Diff Checker

Compare two texts side-by-side or unified with line, word, and character differences.

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Text Case Converter

Convert text to upper, lower, title, camel, or sentence case instantly.

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Word Counter

Count words, characters, sentences, paragraphs and estimate reading time.

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HTML to Markdown Converter

Convert HTML markup cleanly into GitHub-flavored Markdown text.

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Readability Checker

Analyze text readability using Flesch-Kincaid Reading Ease score.

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Data & Format Tools

Format, inspect, convert, and beautify data structures.

JSON Viewer & Formatter

View, format, validate, and prettify JSON data instantly online.

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CSV ↔ JSON Converter

Convert CSV spreadsheets to JSON arrays or JSON to CSV effortlessly.

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Base64 Encoder / Decoder

Encode or decode Base64 strings, payloads, and files in browser.

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URL Encoder & Decoder

Encode or decode URI components and query strings safely.

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HTML Formatter

Format, clean, indent, and beautify messy HTML code.

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Security & Identity Tools

Generate secure tokens, UUIDs, hashes, and inspect identity tokens.

JWT Decoder

Decode and inspect JSON Web Tokens headers and payload securely.

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UUID Generator

Generate random v4 cryptographic UUIDs instantly client-side.

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Password Generator

Create high-entropy passwords with custom length and character sets.

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QR Code Generator

Create high-resolution QR codes with custom styling and export.

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Visual & Media Tools

Utilities for graphic designers, developers, and creators.

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Video to GIF Converter

Convert MP4, WebM, MOV, and AVI videos to animated GIFs with trimming, FPS control, and instant preview.

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Color Picker

Pick, convert between HEX/RGB/HSL, and copy color palettes.

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Image Compressor

Compress and resize images directly in browser without losing quality.

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Developer Tools

Advanced testing, regular expressions, and SEO tools.

Regex Tester & Debugger

Test and debug regular expressions with real-time match highlighting.

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Meta Tags Length Checker

Check Google SERP title and description lengths in real time.

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Privacy & Security First

All data conversion, encoding, formatting, and diff checking runs exclusively inside your local browser runtime. None of your sensitive strings, private keys, or documents ever reach our backend servers.

Zero-Data-Storage Verified