Complete Utility & PDF Toolkit Directory
Explore all 69 privacy-first utilities across PDF document processing, SQL & JSON formatting, image conversion, and developer workflows.
SQL Suite
1 utilitiesJSON Suite
1 utilitiesYAML Suite
1 utilitiesPDF Suite
8 utilitiesPDF Merge
Combine multiple PDF files into a single document. Drag to reorder pages before merging.
PDF Split
Split a PDF into multiple files by specifying custom page ranges to extract.
PDF Compress
Reduce the file size of your PDF documents by stripping metadata and optimizing internal structures.
PDF to Text
Extract all text content from a PDF document, organized page by page.
PDF to Image
Convert PDF pages to high-quality PNG, JPEG, or WebP images with customizable DPI resolution.
Image to PDF
Convert JPEG, PNG, and WebP images to a single PDF document with customizable page sizes.
Rotate PDF
Rotate PDF pages by 90°, 180°, or 270°. Select all pages or specific ones.
PDF Watermark & Numbers
Stamp custom text watermarks, confidential overlays, and page numbers onto PDF documents in browser.
Text Suite
7 utilitiesCase Converter
Convert text between UPPER, lower, Title, Sentence, camelCase, snake_case, kebab-case, and CONSTANT_CASE.
Word Counter
Count words, characters, sentences, and paragraphs in real time with estimated reading time.
Text Diff
Compare two texts side by side and see differences highlighted line by line, like a GitHub diff.
Lorem Ipsum
Generate placeholder text in paragraphs, sentences, or words for your designs and prototypes.
Markdown Preview
Write and preview GitHub Flavored Markdown in real-time with split, edit, and preview modes.
Smart Text Cleaner
Deduplicate lines, strip HTML tags, unescape entities, and sort text lists alphabetically in real time.
Markdown to HTML & Printable A4 PDF Converter
Convert GFM Markdown text into styled HTML markup or print formatted documents to A4 PDF with custom themes.
Developer Suite
37 utilitiesBase64 Encoder / Decoder
Encode text to Base64 or decode Base64 strings back to text. Supports Unicode UTF-8 and URL-Safe modes.
UUID v4 / v7 Generator
Generate cryptographically secure UUID v4, time-sorted UUID v7, UUID v1, and deterministic UUID v5 in single or bulk batches.
Password Generator
Generate strong random passwords with custom length, character sets, and bit entropy meter.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 cryptographic hash digests from text or files.
CSV ↔ JSON
Convert between CSV and JSON formats with PapaParse engine. Auto-detection and dynamic typing.
QR Code Generator
Generate QR codes with custom colors, error correction levels. Download as PNG or SVG.
JWT Decoder
Decode and inspect JSON Web Tokens. View header, payload, signature, and expiration status.
Timestamp Converter
Convert between Unix timestamps and human-readable dates. Live clock with ISO 8601 and relative time.
URL Encoder / Decoder
Encode and decode URL strings with encodeURIComponent, encodeURI, and Base64URL modes.
Color Converter
Convert colors between HEX, RGB, and HSL formats with visual picker and quick presets.
Regex Tester
Test regular expressions with live match highlighting, match details, and preset patterns.
XML Formatter
Format, validate, and minify XML documents. Powered by xml-formatter for robust processing.
Cron Expression Generator
Build, validate, and understand cron expressions with human-readable descriptions and next runs.
cURL to Code Converter
Convert cURL commands into JavaScript (Fetch, Axios), Python (requests, httpx), Go, Rust, and PHP code.
HTML to React JSX
Transform raw HTML snippets into valid React JSX/TSX components. Auto-converts class to className and style objects.
HMAC Signature Generator
Generate and verify HMAC signatures (HMAC-SHA256, HMAC-SHA512) for Stripe, GitHub, Shopify, and Webhook verification.
IPv4 CIDR Calculator
Calculate network address, broadcast address, subnet mask, wildcard mask, and usable host range from CIDR notation.
Code Formatter
Format and beautify JavaScript, TypeScript, HTML, CSS, and Python code online with Prettier engine.
Code Minifier
Minify and compress JavaScript, HTML, and CSS code online with Terser engine. Reduce payload size by up to 70%.
Number Base & Bitwise Converter
Convert between Binary, Octal, Decimal, Hexadecimal, and ASCII text. Compute bitwise AND, OR, XOR, NOT operations.
Universal Unit Converter
Convert Length, Mass, Temperature, Digital Data Storage (Bytes to Terabytes), and Speed units online.
Color Palette Generator
Generate HSL color harmonies (Monochromatic, Analogous, Complementary) and Tailwind CSS 10-shade scale palettes online.
WCAG Contrast Checker
Calculate relative luminance and test WCAG 2.1 AA/AAA text accessibility contrast ratio compliance online.
JavaScript Minifier
Minify and compress JavaScript files online with Terser engine. Mangle variable names and drop console logs.
AI Token Counter & LLM Cost Calculator
Estimate BPE token counts and calculate API costs for OpenAI (GPT-4o), Anthropic (Claude 3.5), and Gemini 1.5.
JSON to TypeScript & Zod Schema Generator
Convert JSON objects into typed TypeScript interface definitions or Zod validation schemas instantly.
CSS & Tailwind Glassmorphism Studio
Design frosted glass UI cards with real-time sliders for backdrop blur, opacity, border, and box-shadow.
Bcrypt & Argon2 Password Hash Generator & Verifier
Generate cryptographically secure Bcrypt password hashes ($2b$) with custom cost rounds, or test password verification.
Google, Bing & Baidu SERP Simulator & Pixel Length Checker
Preview live search engine snippet appearances on Google, Bing (Copilot), and Baidu in desktop & mobile viewports.
JSON to SQL DDL & INSERT Statement Generator
Convert JSON objects or arrays into CREATE TABLE DDL schemas and INSERT INTO SQL statements for PostgreSQL, MySQL, SQLite, and SQL Server.
CSS Flexbox & Tailwind Layout Visual Builder
Interactive Flexbox & CSS Grid visual layout studio. Adjust flex-direction, justify-content, align-items, and gap sliders.
Smart String Escaper & Unescaper (JSON, HTML, JS, SQL, Unicode)
Bidirectional escaping and unescaping tool for JSON, HTML Entities, JavaScript, SQL strings, and Unicode characters.
OpenAPI to TypeScript & React Query Hooks Generator
Convert OpenAPI 3.0 & Swagger 2.0 (JSON & YAML) specifications into TypeScript interfaces, typed API clients, and TanStack React Query hooks.
Mock Data Generator
Generate realistic fake data for testing: JSON, CSV, SQL, XML with 50+ field types — names, emails, UUIDs, dates, addresses. Runs 100% in your browser via Web Worker.
REST API Tester
Send HTTP requests (GET, POST, PUT, DELETE) directly from your browser. View response body, headers, status codes, and timing. Export as cURL or Python. No install required.
.env File Editor
Visual editor for .env files — parse, validate, detect duplicate keys, mask secrets, and generate .env.example templates for Next.js, Django, Laravel, Rails, and more.
Database ER Diagram Builder
Design database schemas visually with drag-and-drop or DBML code. Export PostgreSQL, MySQL, and SQLite DDL scripts and download PNG/SVG diagrams. No account needed.
Media Suite
9 utilitiesImage Compressor
Compress JPEG, PNG, and WebP images locally in your browser with adjustable quality presets.
AI Background Remover
Remove photo backgrounds automatically with AI neural network precision. Instant transparent PNG download.
Resize Image
Resize images to exact dimensions with high-quality browser canvas resampling and aspect ratio lock.
Image Converter & EXIF Stripper
Convert PNG, JPG, WebP images, crop dimensions, and strip 100% of sensitive GPS camera EXIF metadata.
Favicon Generator Suite
Generate full favicon package (16x16, 32x32, 180x180 Apple Touch, 512x512 Android) and webmanifest ZIP download.
EXIF Data Remover
Inspect and strip 100% of sensitive GPS location and camera EXIF metadata from JPEG, PNG, and WebP images.
SVG to High-Res PNG / WebP & React JSX Converter
Render SVG vectors to ultra-high-resolution PNG or WebP images up to 8K, or convert SVG to React JSX components.
Base64 Image & Data URI Converter
Convert images to Data URIs (data:image/png;base64,...), HTML <img> tags, and CSS background-image snippets.
Image to Text (OCR) Converter
Extract text from images online with Tesseract OCR. Supports 12 languages: English, Vietnamese, Japanese, Korean, Chinese and more.
Finance & Business Suite
4 utilitiesDropshipping & E-Commerce Profit Calculator
Calculate net profit margins, ROI, and break-even selling prices for Amazon FBA, Shopee, TikTok Shop & Shopify stores.
Invoice Tax & Multi-Currency Converter
Convert invoice amounts across 8 major currencies with real-time VAT and Sales Tax calculations.
Mortgage & Loan Amortization Calculator
Calculate monthly home loan payments, interest payoff schedules, and amortization matrices for 15-year or 30-year mortgages.
Net to Gross Salary & Payroll Tax Calculator
Convert Gross to Net salary or Net to Gross salary with insurance contribution breakdowns and progressive tax bracket calculations.