Tools

Developer Tools

Decode, convert, and troubleshoot with developer-focused utilities.

Programming Tools cover

Programming Tools


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.

Base Number Converter

Type a number in any base and instantly see the equivalent binary, decimal, hexadecimal, and octal values. Ideal for debugging and CS education.

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 Decimal Converter

Paste a binary value and instantly view the decimal representation. Clean whitespace automatically for fast conversions.

Binary to Hex Converter

Paste binary digits and convert them to hexadecimal instantly. Padding and validation happen in the browser for quick checks.

Border Radius Generator

Generate CSS border-radius values with a live preview. Link corners, create elliptical blob shapes, and copy the CSS instantly.

Box Shadow Generator

Create CSS box-shadow values with a live preview. Adjust offset, blur, spread, inset, opacity, and multiple layers, then copy the code.

CSS Beautifier

Beautify CSS with indentation controls. Paste CSS, format it instantly, and copy or download the result.

CSS Gradient Generator

Create CSS gradients with draggable color stops, angle controls, and instant copy. Export a PNG preview and share a link to your gradient.

CSS Minifier

Minify CSS with optional rule restructuring and comment handling. Reduce payload size in seconds.

CSV To JSON

Easily convert comma-separated values (CSV) files into JSON objects. Perfect for developers, data analysts, and students.

CSV Transpose

Transpose CSV data in your browser. Paste a table, flip rows and columns, then copy or download the new layout instantly.

CSV to Markdown Table

Paste CSV and instantly get a Markdown table with headers, alignment row, and copy-ready output.

CSV to SQL Converter

Paste CSV data, choose a table name, and download ready-to-run SQL INSERT statements in seconds.

Compress PDF

Compress your PDF files with our free online tool. Reduce file size while maintaining quality for easy sharing and storage.

Convert ASCII to Hex

Convert any ASCII text to hex values with optional delimiters, fully client-side.

Convert Hex to ASCII

Paste hex values and instantly view the decoded ASCII text inside your browser.

Convert JSON to Text

Turn structured JSON into key/value text lines for notes, tickets, or documentation.

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.

Decimal to Binary Converter

Enter a decimal integer and get the binary representation instantly. Ideal for working with bitmasks, flags, and low-level code.

Decimal to Hex Converter

Convert decimal integers into uppercase hexadecimal strings in seconds. Perfect for color codes, memory addresses, and more.

Decimal to Roman Converter

Convert decimal integers into Roman numerals without leaving your browser. Copy the result in one click for presentations or worksheets.

Delete Pages From PDF

Delete pages from a PDF in your browser. Remove blank, duplicate, or unwanted pages by number or range and download privately with no uploads.

EXIF Remover

Easily view and remove EXIF data (GPS, timestamps, device info) from your photos. Works directly in your browser—preview images, see removed metadata, copy or download details, and export clean JPEGs instantly.

EXIF Viewer

View EXIF data from photos without uploading to a server. Perfect for analyzing camera details, GPS data, and more.

Extract PDF Pages

Extract specific pages from a PDF right in your browser. Choose page ranges, then download a single PDF or a ZIP of individual pages. No server uploads.

Glob ToolTest

Quickly verify which strings match your glob patterns with support for *, **, ?, character classes, and simple braces.

HAR File Analyzer

Analyze HAR files locally to see waterfalls, TTFB vs download time, largest assets, and third-party domain costs. Export findings to CSV or JSON.

HTML Beautifier

Use our free HTML Beautifier tool to format and beautify your HTML code quickly and easily. Perfect for developers and web designers.

HTML Minifier

Minify HTML to reduce file size. Remove comments, collapse whitespace, and download the compact output.

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.

HTML to Markdown Converter

Paste HTML and convert it into GitHub-ready Markdown with headings, lists, links, images, and code preserved.

Hex to Binary Converter

Enter hexadecimal values and see the binary representation grouped nibble by nibble. Copy results without leaving your browser.

Hex to Decimal Converter

Paste hex digits and get the decimal representation instantly. Works with uppercase, lowercase, and spaced input.

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 Beautifier

Use our free JSON Beautifier tool to format and beautify your JSON data quickly and easily. Perfect for developers and data analysts.

JSON To CSV

Quickly convert JSON arrays into CSV files for spreadsheets, data analysis, or importing. Completely client-side.

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 JSON Schema

Paste JSON to generate a JSON Schema with required field detection, enum discovery, type inference, and draft version selection.

JSON to Java Converter

Create Java classes with getters and setters that mirror your JSON payloads. Perfect for DTOs, models, and API clients.

JSON to SQL Converter

Paste JSON and download SQL INSERT statements ready for seed data, migrations, or debugging.

JSON to YAML Converter

Translate JSON into YAML for docs, configuration files, or human-readable exports with one click.

JSON to YAML Converter

Translate JSON into YAML for docs, configuration files, or human-readable exports with one click.

JWT Decoder

A simple tool to decode and view the header, payload, and signature of your JWTs. Ideal for debugging and verifying token data.

JWT Generator

Generate JWTs for authentication and secure data exchange. Configure headers, payload, and signatures in a matter of seconds.

Java to JSON Converter

Paste Java POJOs to quickly produce representative JSON structures for documentation, mocks, or client work.

JavaScript Beautifier

Format JavaScript instantly with indentation controls. Clean up messy JS for readability and reviews.

JavaScript Minify Tool

Paste JavaScript to minify it instantly with compression, mangling, and console stripping options.

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.

Minify JSON

Remove whitespace from JSON and create compact payloads for embeds, storage, or transport.

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 Compare

Compare two PDFs page by page in your browser. Highlight visual differences, adjust tolerance, and review drafts privately 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 Splitter

Split a PDF into separate page files in your browser. Download pages as a ZIP, keep files private, and avoid server uploads.

PDF Watermarker

Add text watermarks to a PDF in your browser. Mark drafts, confidential files, or branded documents privately with no uploads.

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.

PDF to PNG Converter

Convert PDF pages to crisp PNG images in your browser. Preview pages, download single PNG files, or export every page in one ZIP with no uploads.

PDF to Text Converter

Extract text from PDFs in your browser and download as .txt. Fast, private, and no uploads required.

PDF to Word Converter

Turn text-based PDFs into Word-compatible .doc files in your browser. Fast, private, and perfect for quick edits.

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.

Regex Match Extractor

Extract every match from a block of text using regular expressions. Optionally include capture groups and export the results.

Regex Replace Tool

Paste text, enter a regex, and instantly run replacements with capture group support. Copy or download the updated output.

Regex Tester

Test and debug your regex expressions instantly. Perfect for developers and data analysts.

Roman to Decimal Converter

Enter any valid Roman numeral and instantly see the decimal value. Perfect for proofreading outlines or reading historical references.

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.

SQL to CSV Converter

Paste SQL INSERT statements and instantly copy or download the equivalent CSV output for analytics tools and spreadsheets.

SQL to JSON Converter

Paste SQL INSERT batches and instantly obtain formatted JSON arrays for APIs, mocks, or documentation.

SVG Optimizer

Optimize SVG files in your browser with options to remove metadata, collapse groups, convert shapes, and strip hidden layers. See byte savings instantly.

Sign PDF

Draw or upload a signature, place it on a PDF page, and download the signed file. Everything runs locally in your browser with no uploads.

Stringify JSON

Convert JSON objects into escaped string literals for embeds, environment variables, or code samples.

UUID v7 Generator

Generate UUID v7 (time-ordered) and UUID v4 values in bulk, and inspect UUIDs to see version, variant, and v7 timestamp. Runs locally.

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.

Webpage to Markdown

Enter a webpage URL, fetch the HTML source, and convert it to clean Markdown with optional absolute links.

Word to PDF Converter

Convert DOCX files to PDF locally in your browser. Fast, private, and ideal for sharing drafts and reports.

XML Formatter & Validator

Instantly format and validate XML data with our free online tool. Ensure well-formed XML for your projects.

XML Minifier

Minify XML documents to reduce payload size before transport or storage. Paste XML, remove whitespace, and copy the compact output instantly.

XML to YAML Converter

Paste XML and immediately receive a YAML representation for easier reading and editing.

XML to YAML Converter

Paste XML and immediately receive a YAML representation for easier reading and editing.

YAML Validator

Paste YAML and validate it instantly. Get helpful error messages and preview the parsed output as JSON.

YAML to JSON Converter

Paste YAML data and receive ready-to-use JSON for APIs, infrastructure tools, or documentation.

YAML to JSON Converter

Paste YAML data and receive ready-to-use JSON for APIs, infrastructure tools, or documentation.

YAML to XML Converter

Convert YAML into XML on the fly, perfect for legacy integrations and interoperability testing.

YAML to XML Converter

Convert YAML into XML on the fly, perfect for legacy integrations and interoperability testing.

cURL Command Generator

Create curl commands with a guided form for methods, headers, auth, body, cookies, and advanced options. Copy a ready-to-run command instantly.

cURL Converter

Paste a curl command to instantly generate snippets for JavaScript fetch, Axios, Node undici, Python requests, Go net/http, and PHP cURL.

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Random Generators


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 Decimal Fraction Generator

Generate random decimal fractions between any minimum and maximum values with custom precision.

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 Emoji Generator

Create random emojis for fun, design inspiration, or social media posts with this free and simple tool.

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 Hex Color Generator

Generate random hex color codes for design, UI mockups, or creative inspiration.

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 Integer Generator

Generate random integers between any minimum and maximum values. Great for games, simulations, and quick picks.

Random Integer Set Generator

Create a set of unique random integers with no duplicates. Ideal for draws, picks, and sampling.

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 Sequence Generator

Generate random sequences (permutations) of integers with no repeats, optional sorting, and copy-ready output.

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.

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Security Tools


Bcrypt Hash Generator

Hash strings with bcrypt and verify hashes client‑side. Configure salt rounds for desired cost.

Bcrypt Verify

Verify whether a given text matches an existing bcrypt hash. Useful for debugging and testing auth flows.

CSP Header Generator

Generate a Content-Security-Policy (CSP) header or meta tag from common directives like default-src, script-src, and img-src. Copy-ready output.

HMAC Generator & Verifier

Generate HMAC signatures (hex, base64, base64url) using SHA-256 or SHA-512. Verify signatures for webhook payloads. Runs locally in your browser.

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!

PDF Metadata Scrubber

Remove identifying metadata from PDF files locally. No uploads required—everything happens in your browser.

Password Generator

Use our free Password Generator to create strong and random passwords for your online accounts, ensuring maximum security and peace of mind.

Random Bytes Generator

Generate cryptographically strong random bytes using the Web Crypto API. Output in hex or Base64 for keys, tokens, and seeds.

SHA1 Hash Generator

Generate SHA-1 hash values for any text. Useful for legacy systems, checksums, and quick comparisons.

SHA256 Hash Generator

Generate secure SHA256 hash values for any text. Perfect for data integrity and encryption tasks.

SHA512 Hash Generator

Generate SHA-512 hash values for any text. Ideal for strong integrity checks and cryptographic workflows.

SPF Record Flattener

Flatten SPF records by expanding include chains, reviewing DNS lookups, and exporting a simplified policy.

SRI Hash Generator

Generate Subresource Integrity (SRI) hashes (sha256/sha384/sha512) for scripts and stylesheets. Outputs integrity="sha384-..." ready to paste.

SSL Checker

Check your website's SSL certificate for expiration dates, common name, and validity. Ensure a secure and trusted experience for your users.

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Utilities


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.

Business Days Calculator

Calculate business days (weekdays) between two dates, optionally excluding US federal holidays. Also add or subtract business days to find due dates.

CSV to Excel Converter

Paste or edit CSV data and download a ready-to-share Excel workbook with custom sheet names. Everything runs in the browser.

Calculate Number Sum

Paste numbers separated by commas, spaces, or new lines to get totals, averages, and quick stats in one view.

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.

Cm To Feet Converter

Convert centimeters to feet and inches instantly with our easy-to-use converter. Perfect for height measurements and unit conversions.

Date to Epoch Converter

Convert a local date and time into epoch seconds or milliseconds instantly.

Dead Pixel Test

Run a dead pixel test in your browser. Use full screen solid colors, gradients, and patterns to find stuck or dead pixels on your display.

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.

Epoch to Date Converter

Convert epoch timestamps in seconds or milliseconds to local time, UTC, and ISO 8601 formats.

Excel to CSV Converter

Upload an Excel workbook and instantly receive a CSV export you can copy, download, or feed into automation scripts.

Fahrenheit To Celsius Converter

Use our Fahrenheit to Celsius converter to quickly and accurately convert temperatures. Perfect for cooking, weather, and science applications.

Feet To Cm Converter

Convert feet to centimeters instantly with our simple converter. Ideal for height conversions and accurate unit measurements.

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.

Keyboard Tester

Test your keyboard keys in the browser. See keydown/keyup events, pressed keys, and event.code values to debug layouts and stuck keys.

Length Converter

Translate distance measurements across meters, kilometers, feet, inches, miles, yards, and more in a single click.

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.

Speed Converter

Translate between meters per second, kilometers per hour, miles per hour, and knots.

Temperature Converter

Switch between Celsius, Fahrenheit, and Kelvin values with precise rounding.

Time Converter

Convert durations across days, hours, minutes, seconds, and milliseconds.

Typing Speed Test

Practice and measure your typing speed (WPM) with our free online typing test. Build up your keyboarding skills.

Unix Timestamp Converter

Convert UNIX timestamps in seconds or milliseconds to UTC/local date strings and generate epoch values from dates.

Volume Converter

Convert between liters, gallons, cups, and other common volume measurements.

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.

Weight Converter

Calculate equivalents between kilograms, grams, pounds, ounces, and more with instant feedback.

What Is My IP Address

Find your public IPv4 or IPv6 address instantly. See approximate location, ISP, ASN, organization, and VPN or proxy detection details.

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.