Free browser-based utilities that streamline coding tasks with instant text processing, data conversion, and validation capabilities.
Fibonacci Number Generator Generate Fibonacci sequences up to 1,000 terms or up to a maximum value, check whether a number is in the Fibonacci sequence, explore golden ratio convergence, and compare related sequences like Lucas, Tribonacci, and Pell numbers. Supports BigInt for arbitrarily large values with instant computation. How to Use Choose a generation mode: ...
Try the Tool »YAML Viewer The YAML Viewer lets you paste or upload any YAML document and instantly see it rendered with full syntax highlighting. Whether you are reviewing Kubernetes manifests, CI/CD pipelines, Docker Compose files, or configuration files, this tool formats your YAML for easy reading and validation. Invalid YAML is flagged with clear error messages so ...
Try the Tool »JavaScript Benchmark Builder The JavaScript Benchmark Builder lets you compare the performance of multiple JavaScript code snippets side by side. Paste up to three code snippets, configure iteration counts and measurement cycles, and instantly see which approach runs fastest in your browser. How to Use Enter at least two JavaScript code snippets in the input ...
Try the Tool »Regex Cheatsheet A comprehensive, searchable quick reference guide for regular expression syntax and common patterns. Whether you are writing validation rules, parsing log files, or doing text transformations, this cheatsheet gives you instant access to the regex patterns you need. How to Use Browse through the categorized tables to find the regex syntax you need. ...
Try the Tool »AES Encryption and Decryption Encrypt and decrypt text securely using AES (Advanced Encryption Standard) symmetric encryption directly in your browser. This tool supports both AES-GCM and AES-CBC modes with 128, 192, or 256-bit key sizes. All cryptographic operations happen client-side using the Web Crypto API — your data never leaves your device. How to Use ...
Try the Tool »PDF Signature Checker Verify and inspect digital signatures embedded in PDF files. This tool parses PDF documents directly in your browser to detect and display information about any digital signatures, including signer name, signing date, certificate details, and byte range coverage. How to Use Upload a PDF file using the file uploader. The tool will ...
Try the Tool »YAML to XML Converter Convert YAML to well-formed XML instantly. Paste your YAML content and get properly structured XML output with configurable options for array handling, null values, indentation, and XML declaration. Includes reverse XML-to-YAML conversion, validation with error reporting, and a reference guide for mapping rules. How to Use Paste YAML into the input ...
Try the Tool »Citation Generator Quickly generate properly formatted academic citations in APA 7th, MLA 9th, Chicago 17th, and Harvard styles. Enter your source details — whether it’s a book, journal article, website, or conference paper — and get a correctly formatted citation instantly. How to Use 1. Select your source type (Book, Journal Article, Website, or Conference ...
Try the Tool »Side Hustle Income Tax Calculator Estimate your federal taxes on side hustle and gig income with this free calculator. Whether you drive for a rideshare service, freelance on weekends, or sell products online, understanding your tax obligations is essential. This tool calculates self-employment tax (Social Security and Medicare), federal income tax using 2025 brackets, and ...
Try the Tool »Small Text Generator The Small Text Generator converts your normal text into tiny Unicode characters. Choose from three styles: superscript (tiny raised letters), subscript (tiny lowered letters), or small caps (miniature capital letters). The converted text is real Unicode, so you can copy and paste it anywhere — social media bios, messages, usernames, and more. ...
Try the Tool »Invisible Character Generator Generate zero-width and invisible Unicode characters instantly. These special characters take up no visible space but are real Unicode code points, useful for formatting, testing, creating blank usernames, or adding hidden separators in text. How to Use Select the type of invisible character you need from the dropdown menu, set the quantity, ...
Try the Tool »Speech to Text Transcribe speech to text in real time using your browser’s built-in Web Speech API. No audio data is sent to any server, making this a completely private and free speech recognition tool that works directly in your browser. How to Use Select your language from the dropdown, then click the Start Listening ...
Try the Tool »1099 vs W2 Income Comparison Calculator Compare your true take-home pay between working as a 1099 independent contractor and a W2 employee. This calculator accounts for self-employment tax, FICA contributions, health insurance costs, retirement contributions, business deductions, and employer benefits to give you an accurate side-by-side comparison. How to Use Enter your annual gross income ...
Try the Tool »AI Content Detector Analyze text to determine whether it was likely written by an AI language model or by a human. This tool uses AI to evaluate writing patterns, vocabulary choices, sentence structure, and other linguistic indicators to provide a confidence-rated verdict on the origin of the text. How to Use Paste the text you ...
Try the Tool »Fraction to Decimal Converter Convert fractions to decimals with exact repeating decimal detection and notation. Enter a simple fraction or mixed number and instantly see the decimal value, simplified fraction, percentage, and whether the decimal terminates or repeats. Includes step-by-step long division visualization, reverse decimal-to-fraction conversion, and fraction arithmetic operations. How to Use Enter a ...
Try the Tool »CSV to SQL INSERT Statements Converter Convert CSV data to SQL INSERT statements for MySQL, PostgreSQL, SQLite, SQL Server, and Oracle. Paste your CSV with column headers, configure options like batch inserts and type detection, and get properly escaped SQL ready to execute. Handles quoted fields, embedded commas, NULL values, and dialect-specific escaping. How to ...
Try the Tool »Date Calculator The Date Calculator lets you quickly find a future or past date by adding or subtracting days, months, and years from any starting date. Whether you are planning deadlines, calculating due dates, or figuring out milestones, this tool gives you instant results with detailed information about the resulting date. How to Use Select ...
Try the Tool »Hours Calculator Quickly calculate the number of hours and minutes between any two times. Whether you’re tracking work hours, planning schedules, or calculating shift durations, this tool gives you an instant, accurate result. How to Use 1. Enter a Start Time using the time picker or by typing in HH:MM format.2. Enter an End Time ...
Try the Tool »Business Lorem Ipsum Generator Need placeholder text that sounds like it belongs in a boardroom? The Business Lorem Ipsum Generator creates corporate-themed filler text packed with business jargon, buzzwords, and corporate speak. Perfect for mockups of business presentations, corporate websites, annual reports, and pitch decks where standard Lorem Ipsum feels out of place. How to ...
Try the Tool »Binary to Text Converter The Binary to Text Converter is a free online tool that decodes binary code (sequences of 0s and 1s) back into human-readable text. Whether you are a developer debugging data, a student studying computer science, or just curious about how binary encoding works, this tool makes the conversion instant and effortless. ...
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Scoreboard is a fun way to keep track of your games, all data is stored in your browser. More features are coming soon!
Update: Our latest tool was added on May 26, 2026
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