Developer Tools
Decode, convert, and troubleshoot with developer-focused utilities.
Programming Tools
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Add Page Numbers To PDF
Add page numbers to your PDF files with our free and easy-to-use tool. Customize numbering for better organization and readability. -
Anchor Tag Generator
Use our free Anchor Tag Generator to create and customize HTML <a> tags with href, link text, and any custom attributes—no coding required. -
Base32 Encoder/Decoder
Encode text to Base32 (RFC 4648) or decode Base32 back to UTF-8 text and hex bytes. Optional padding support. Runs locally. -
Binary to Hex Converter
Paste binary digits and convert them to hexadecimal instantly. Padding and validation happen in the browser for quick checks. -
CSV To JSON
Easily convert comma-separated values (CSV) files into JSON objects. Perfect for developers, data analysts, and students. -
Compress PDF
Compress your PDF files with our free online tool. Reduce file size while maintaining quality for easy sharing and storage. -
Convert Text to CSV
Paste text separated by spaces, tabs, or commas and export a clean CSV you can copy or download. -
Cron Expression Generator
Generate and understand cron expressions with ease using our free online tool. Perfect for scheduling tasks with detailed explanations. -
Cron Humanizer
Paste any cron expression to see a plain-language description, next run times, and a per-field breakdown. -
EXIF Viewer
View EXIF data from photos without uploading to a server. Perfect for analyzing camera details, GPS data, and more. -
HTML Viewer
Use our free HTML Viewer tool to instantly render and inspect HTML code in a clean and interactive interface. Perfect for developers and designers. -
HTML to Google Docs Converter
Convert HTML into a Google Docs-ready .doc file in your browser. Download and upload to Google Docs in seconds. -
Hex to Text Converter
Easily convert hexadecimal values to human-readable text using our free Hex to Text Converter. Perfect for developers, students, and IT professionals. -
Htaccess Redirect Generator
Create single or bulk 301/302 redirects for Apache .htaccess. Paste mappings and copy ready‑to‑use RewriteRules. -
ICS File Generator
Generate .ics calendar event files by filling in essential details like title, date, and location. Perfect for scheduling and sharing events. -
IP Range Calculator
Use our IP Range Calculator to determine the network address, broadcast address, first host, last host, and total number of usable hosts from an IP address in CIDR notation. -
Image to PDF Converter
Convert JPG, PNG, WebP, and other images into one PDF in your browser. Choose page size and fit mode, then download privately with no uploads. -
JSON to .env Converter
Paste JSON and convert it into .env KEY=VALUE lines. Useful for app config, CI variables, and local development. -
JSON to SQL Converter
Paste JSON and download SQL INSERT statements ready for seed data, migrations, or debugging. -
Markdown Preview
Paste Markdown and instantly preview the rendered output. Copy or download the generated HTML. -
Markdown to Google Docs Converter
Convert Markdown into a Google Docs-ready .doc file in your browser. Download and upload to Google Docs in seconds. -
Markdown to HTML Converter
Convert Markdown to HTML with headings, lists, links, images, and code blocks preserved. Everything runs in your browser. -
OpenAPI Viewer
Paste OpenAPI YAML or JSON to render interactive docs with search, parameter tables, schemas, and a downloadable HTML doc page. -
Organize PDF
Organize PDF pages in your browser. Reorder, add, insert, replace, rotate, or delete pages, then download the updated PDF with no uploads. -
PDF Merger
Use our free PDF Merger to quickly combine multiple PDF files into one. No installation, no server uploads—entirely client-side. -
PDF to Excel Converter
Convert text-based PDF tables into an Excel spreadsheet in your browser. Extract rows, choose delimiters, and download XLSX privately with no uploads. -
PDF to JPG Converter
Convert each page of your PDF into high-quality JPG images entirely in your browser. Download individual pages or save everything as a ZIP archive. -
Password Strength Checker
Use our free Password Strength Checker to evaluate and improve your passwords. Get instant feedback and suggestions for stronger, more secure passwords. -
Protect PDF
Add a password to a PDF in your browser. Protect one or multiple PDFs, download the secured files, and keep documents private with no uploads. -
Rotate PDF
Rotate PDF pages left, right, or 180 degrees in your browser. Fix sideways scans, rotate selected pages, and download privately with no uploads. -
SQL Beautifier
Use our free SQL Beautifier tool to format and beautify your SQL queries quickly and easily. Perfect for developers and database administrators. -
SQL Statistics Parser
Paste SQL Server STATISTICS IO/TIME output to get clean per-table and per-statement totals, optional LOB merging, and one-click CSV/JSON export. Runs in your browser. -
Unstringify JSON
Paste a JSON string literal and instantly view the parsed, formatted JSON for debugging and API tests. -
View Page Source
View the HTML source of any webpage. Fetch, copy, and download raw HTML with word wrap and syntax highlighting. -
Webcam Tester
A tool to test your webcam. Select your device, view video streams, and access detailed device specifications.
Random Generators
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2D Random Point Generator
Generate random 2D points within any X and Y range. Copy results or preview the scatter plot. -
Calendar Date Generator
Generate random calendar dates between any start and end date. Copy results in ISO or long format. -
Clock Time Generator
Generate random clock times between any start and end time, with 12-hour or 24-hour output. -
Coin Flip
Flip one or many coins instantly with this free online coin toss tool. View results, track stats, see history, and clear totals—perfect for games, decisions, and experiments. -
Dice Roller
Roll one or many dice with any number of sides. Get totals, copy results, and reroll in a click. -
Gaussian Random Number Generator
Generate normally distributed random numbers with custom mean, standard deviation, and optional clamping. -
Keno Quick Pick
Generate Keno quick pick numbers with customizable ticket counts and sorted output. -
Lottery Quick Pick
Create quick-pick lottery numbers with presets for major games or custom ranges. Generate multiple tickets at once. -
Name Picker Wheel
Use this free name picker wheel to enter names, spin, pick a random winner, remove winners, track history, and share a custom wheel link. -
Random Bitmap Generator
Generate random bitmap images with adjustable size and scale. Download as a PNG in one click. -
Random Color Generator
Generate random colors for design inspiration, color palettes, or fun. Easily create vibrant color schemes with our free online tool. -
Random Country Generator
Use our Free Random Country Generator to discover countries around the globe for learning, fun, or creative projects. Quick, easy, and unlimited. -
Random Email Generator
Use our Free Random Email Generator to quickly create random email addresses for testing, mock data, or privacy purposes. Fast, easy, and completely free. -
Random Flag Generator
Use our Free Random Flag Generator to create realistic flag designs for testing, education, or fun. Quick, easy, and unlimited. -
Random Geographic Coordinates
Generate random GPS coordinates anywhere in the world or within custom latitude and longitude ranges. -
Random Guid Generator
Use our free GUID Generator to quickly create random GUIDs for unique identifiers in software development and database management. -
Random IP Generator
Use our Free Random IP Generator to quickly create IPv4 and IPv6 addresses. Perfect for developers, testers, and network admins. No limits, no costs. -
Random Letter Generator
Generate random letters (A–Z) with uppercase, lowercase, or mixed case. Exclude specific characters, prevent duplicates, copy results, or download them. -
Random Mac Address Generator
Generate random MAC addresses quickly and easily. Choose between colon or dash separators and copy results to your clipboard. -
Random Number Generator
Use our free Random Number Generator to instantly create random numbers for games, simulations, or statistical analysis. -
Random Phone Number Generator
Use our Free Random Phone Number Generator to create realistic, fake phone numbers for testing and development. No limits, no costs, and customizable formats. -
Random String Generator
Use our free Random String Generator to instantly create random strings for games, simulations, or statistical analysis. -
Random Word Generator
Use our free Random Word Generator to quickly generate random words for brainstorming, writing, or improving creativity. -
Random Year Generator
Quickly generate random years for trivia, education, or creative projects. Free and easy to use! -
Yes Or No Wheel
Use the Yes Or No Wheel to make instant decisions. Perfect for fun, group activities, or quick personal choices.
Utilities
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Age Calculator
Use our free Age Calculator to find out exactly how old you are in years, months, and days. Perfect for quick checks and birthday planning. -
Area Converter
Switch between square meters, square feet, acres, hectares, and more. -
Browser Info & Debug Tool
Quickly discover user agent, screen size, cookies enabled, and other debug info about your browser. Ideal for troubleshooting and QA. -
Celsius To Fahrenheit Converter
Convert Celsius to Fahrenheit effortlessly using our accurate and fast online converter. Ideal for travel, cooking, and scientific use. -
Clipboard Test
Test browser clipboard support, copy a sample string, and verify paste behavior in one quick utility. -
Digital Storage Converter
Convert digital storage sizes accurately across bits, bytes, KB, MB, GB, and TB. -
Duplicate Image
Upload an image, choose how many copies you need, and download identical files with indexed names. -
Fahrenheit To Celsius Converter
Use our Fahrenheit to Celsius converter to quickly and accurately convert temperatures. Perfect for cooking, weather, and science applications. -
Find Image Dimensions
Upload one or more images to see their pixel dimensions, file type, and size—all processed locally. -
HTML to PDF Converter
Convert HTML into a print-friendly PDF without external services. Control page size, margins, headings, lists, code blocks, and more. -
IP Subnet Calculator
Enter an IPv4 address with a subnet mask or CIDR and get the network address, broadcast, usable range, and host count without doing the math yourself. -
Live Speech Translator
Translate live speech into large on-screen captions in Google Chrome. Choose spoken and display languages, use fullscreen mode, and keep everything local when supported. -
Microphone Tester
Test your microphone in the browser. View live input level and waveform, switch devices, and record a short sample locally. -
Mouse Tester
Test mouse buttons and wheel input in the browser. Track clicks, pressed buttons, pointer movement, and scroll deltas in a dedicated test area. -
Percentage Calculator
Calculate percentages, increase, and decrease instantly. Perfect for finance, shopping, or general math tasks. -
Speaker Test
Test your speakers and headphones with a browser-based tone/noise generator. Play left, right, or both channels and adjust volume. -
Typing Speed Test
Practice and measure your typing speed (WPM) with our free online typing test. Build up your keyboarding skills. -
Web Video Player
Play local video files in your browser with subtitles, keyboard controls, and up to 400% volume boost. Files stay on your device. -
What Is My IP Address
Find your public IPv4 or IPv6 address instantly. See approximate location, ISP, ASN, VPN or proxy signals, and iCloud Private Relay status. -
What Is My User Agent?
Quickly see and copy your browser's User-Agent string. Useful for debugging, support, and environment reporting. -
YouTube Transcript Extractor
Paste a YouTube link, pick a caption language, and copy or export the transcript in seconds. Perfect for research, repurposing, and note taking.
Security Tools
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Link Checker
Check if a URL is safe before you visit it. Detect malware, fake websites, and phishing attacks. -
Link Shield
Protect your users and systems with Link Shield, an AI-powered API that detects and blocks malicious URLs, ensuring secure online browsing and safe link sharing. -
MD5 Hash Generator
Generate secure MD5 hashes for any text instantly with our MD5 Hash Generator. Try it now for free and ensure data integrity! -
Password Generator
Use our free Password Generator to create strong and random passwords for your online accounts, ensuring maximum security and peace of mind. -
SPF Record Flattener
Flatten SPF records by expanding include chains, reviewing DNS lookups, and exporting a simplified policy. -
SSL Checker
Check your website's SSL certificate for expiration dates, common name, and validity. Ensure a secure and trusted experience for your users.
Need more than a one-off check?
Create branded short links and dynamic QR codes, edit them after they go out, and see every click.