Free. Private. No sign-up.
Free tools for everyday tasks.
Convert files, crunch numbers, write invoices. Everything runs in your browser, nothing gets uploaded.
- Image CompressorCompress JPG, PNG, and WebP images directly in your browser. Reduce file size by up to 80% with instant side-by-side preview and batch ZIP download.
- PDF MergerCombine multiple PDF documents into a single organized file. Reorder pages with visual 01, 02, 03 controls and merge 100% locally in your browser.
- Invoice GeneratorCreate clean, professional client invoices in seconds. No login, zero database storage, live subtotal & tax calculation, multi-currency, and pixel-perfect PDF export.
- JSON FormatterFormat, prettify, minify, and validate JSON data instantly. Identifies exact line and column locations for syntax errors with keyboard shortcuts and zero telemetry.
Files are processed in your browser. Zero uploads.
No server queues, cold starts, or rate limits.
Every tool is free. No sign-up, no paywall.
Files, developer utilities, business, and money.
Pick a tool. Get it done.
Real-Time Currency Converter & Exchange Rates
Convert between USD, EUR, GBP, JPY, CAD, AUD, CHF, and 160+ currencies with real-time exchange rates and transparent market benchmarks.
OpenImage Compressor (JPG, PNG, WebP)
Compress JPG, PNG, and WebP images directly in your browser. Reduce file size by up to 80% with instant side-by-side preview and batch ZIP download.
OpenJSON Formatter & Validator
Format, prettify, minify, and validate JSON data instantly. Identifies exact line and column locations for syntax errors with keyboard shortcuts and zero telemetry.
OpenPDF Compressor & Stream Optimizer
Optimize PDF files locally in your browser. Cleans metadata, strips redundant font structures, and deflates object streams without sending confidential documents to a server.
OpenPDF Merger & Page Combiner
Combine multiple PDF documents into a single organized file. Reorder pages with visual 01, 02, 03 controls and merge 100% locally in your browser.
OpenFree Professional Invoice Generator
Create clean, professional client invoices in seconds. No login, zero database storage, live subtotal & tax calculation, multi-currency, and pixel-perfect PDF export.
OpenPercentage Calculator (All Common Questions)
Solve all percentage questions instantly: What is X% of Y, X is what percent of Y, Percentage Increase or Decrease, and Percentage Difference with step-by-step math.
OpenSalary & Hourly Wage Equivalence Calculator
Convert between annual salary, monthly pay, and hourly wages. Includes standard working hours, overtime multipliers, and scoped tax bracket breakdowns.
OpenImage Resizer & Dimension Converter
Resize JPG, PNG, and WebP images to custom pixel dimensions or verified social media presets (Instagram, YouTube, Twitter/X, LinkedIn). Fast client-side canvas scaling.
OpenWord Counter & Character Statistics
Count words, characters (with and without spaces), sentences, paragraphs, and estimated reading time live as you type. Includes keyword density and case converters.
OpenDiscount & Sale Price Calculator
Calculate sale price, exact dollar savings, stacked promotional coupons, and final checkout totals with sales tax in one clear view.
OpenJPG to PNG Converter (100% Client-Side)
Convert JPG, JPEG, and JFIF images to lossless PNG format in your browser. Fast drag & drop with batch ZIP download and zero file size limits.
OpenPNG to JPG Converter with Background Control
Convert PNG images to compact JPG format client-side. Includes transparency background fill (white, black, or custom) and quality controls.
OpenPDF to JPG Converter (High-Resolution)
Convert PDF document pages into high-resolution JPG images directly in your browser. Multi-page selection, scale controls, and batch ZIP export.
OpenBase64 Encoder & Decoder (Unicode UTF-8 Safe)
Encode text to Base64 and decode Base64 strings to readable text. Full UTF-8 and emoji support with instant 1-click copy and file download.
OpenURL Encoder & Decoder with Query Parser
Encode and decode URI strings and query components. Automatic parameter parser, UTF-8 safety, and 1-click swap.
OpenCryptographically Secure UUID v4 Generator
Generate cryptographically random UUID v4 strings in bulk. Uppercase, lowercase, and hyphen-free formats with 1-click copy and text download.
OpenUnix Timestamp Converter & Epoch Date Formatter
Convert Unix epoch timestamps (seconds and milliseconds) to human dates, UTC, ISO 8601, and local time. Live epoch clock with bidirectional converter.
OpenPrice Per Unit & Best Value Comparison Calculator
Compare two products with different sizes and prices. Automatically normalizes grams, kilograms, ounces, pounds, milliliters, liters, and pieces to find the true best deal.
OpenProfit Margin & Markup Calculator
Calculate gross profit, profit margin percentage, and markup percentage from your cost and selling price. Includes visual formula breakdowns and sales volume scaling.
OpenDebt Payoff & Accelerated Paydown Calculator
Simulate your debt-free date and see how extra monthly payments save thousands in compound interest across credit cards, personal loans, and balances.
OpenRent Affordability Calculator (30% Rule & Debt-to-Income)
Calculate your recommended 30% monthly rent ceiling and 40x annual income benchmark based on gross salary, taxes, and monthly debt obligations.
OpenSplit PDF & Extract Pages (100% Client-Side)
Split PDF files into individual pages or extract custom page ranges (e.g. 1-3, 5, 8). Fast in-browser processing with single PDF or bulk ZIP downloads.
OpenJPG to PDF Converter (Multi-Image to Single Document)
Convert JPG, JPEG, PNG, and WebP images into a single clean PDF. Drag & drop reordering, orientation options (portrait/landscape/auto), and custom margins.
OpenRotate PDF Pages (Permanent 90° & 180° Orientation Fix)
Permanently rotate PDF pages clockwise (+90°), counter-clockwise (-90°), or upside-down (180°). Rotate individual pages or all pages simultaneously.
OpenWebP Converter (WebP to PNG / JPG & JPG to WebP)
Convert modern WebP images to universal PNG or JPG formats, or convert JPG/PNG images to lightweight WebP for faster websites. Batch processing with ZIP download.
OpenFree QR Code Generator (URLs, WiFi, vCard — No Expiry)
Generate clean, customizable QR codes for websites, WiFi credentials, vCard contacts, and email drafts. Vector SVG and high-resolution PNG export with zero tracking.
OpenCryptographic Hash & Checksum Generator (SHA-256, MD5, HMAC)
Compute SHA-256, SHA-512, SHA-384, SHA-1, MD5, and HMAC-SHA256 hashes instantly in your browser. Supports both text strings and direct file checksum verification.
OpenJWT Decoder & Token Inspector (100% Private Client-Side)
Decode and inspect JSON Web Tokens (JWT) in real time. Color-coded Header, Payload, and Signature breakdown with token expiration countdown and human dates.
OpenCase Converter & Text Transformation Tool
Convert text between 12+ naming conventions: Title Case, UPPERCASE, lowercase, camelCase, snake_case, kebab-case, PascalCase, and CONSTANT_CASE with live statistics.
OpenText Diff Checker & Code Comparison Tool
Compare two text documents or code snippets to highlight additions, deletions, and modifications. Side-by-side split view, unified inline diff, and change statistics.
OpenUniversal Unit & Measurement Converter (All Metric & Imperial)
Convert between all metric and imperial units across 9 measurement dimensions: Length, Weight/Mass, Temperature, Area, Volume, Digital Data, Speed, Time, and Pressure.
OpenBrowse by category
All toolsFast, 100% private browser tools for image compression, PDF merging, resizing, and word counting.
Precise financial tools for salary breakdown, rent affordability, debt payoff timelines, and loans.
Create professional client invoices, calculate break-even points, and evaluate profit margins.
Format and validate JSON with exact syntax error locations, minify code, and inspect data structures.