Free tools that run in your browser,
plus ready-to-run AI prompts.

Start with a task

• TXTCount words and reading timeWord counter with top words and repeated phrases.
• SECMake a strong passwordRandom passwords, made in your browser. Nothing stored.
• DEVTurn JSON into a spreadsheetPaste JSON, download a CSV that opens in Excel.
• NETShare WiFi with a QR codeGuests scan the code and join. Works on any phone.
• AIWrite an SEO blog postA ready AI prompt. Fill three fields, copy, paste.
• AIPitch a client proposalA structured AI prompt for freelance proposals.

Popular prompts this week

• WritingSEO Blog Post WriterWrite search-engine-optimized blog posts with keyword research, headings structure, and meta descriptions.
• MarketingMulti-Platform Ad Copy GeneratorGenerate tailored ad copy for Facebook, Instagram, LinkedIn, Google, and TikTok from a single brief.
• MarketingFacebook Ad GeneratorCreate high-converting Facebook ad copy with structured prompts for audience targeting, creative hooks, and CTAs.
• ChatGPTChatGPT Conversational TutorLearn any subject through adaptive Socratic dialogue with ChatGPT, tailored to your knowledge level and learning style.

See the full trending list →

All tools

Text

• Case ConverterConvert any text to UPPERCASE, lowercase, Title Case, camelCase, snake_case and more in one click.
• Word CounterCount words, characters, sentences and paragraphs as you type, with an estimated reading time.
• Find and ReplaceReplace every match of a word or phrase in your text, with optional case matching and regex support.
• Character CounterCount characters and check them against common limits for X posts, SEO meta tags, SMS and Instagram captions.
• Remove Duplicate LinesPaste a list and remove repeated lines in one click. The original order is kept.
• Sort LinesSort lines alphabetically, numerically or by length, or shuffle them randomly.
• Text to Slug ConverterTurn any title into a clean, lowercase URL slug with hyphens or underscores, and accents removed.

Math

• Percentage CalculatorThree everyday percentage calculations in one place, with results that update as you type.
• Unit ConverterConvert length, weight, volume and temperature between common units, instantly.
• Age CalculatorFind out exact age in years, months and days, and count down to the next birthday.
• Roman Numeral ConverterConvert numbers from 1 to 3999 into Roman numerals, or read a Roman numeral back into a number.

Health

• BMI CalculatorCalculate your Body Mass Index (BMI) and see the healthy weight range for your height.

Security

• Password GeneratorCreate a strong random password in one click. It is generated in your browser and never sent anywhere.

Developer

• JSON Formatter and ValidatorPaste JSON to format it neatly, compress it into one line, or check it for errors.
• Base64 Encoder and DecoderEncode text to Base64 or decode Base64 back to readable text, with full support for accents and emoji.
• Unix Timestamp ConverterConvert Unix timestamps (epoch seconds or milliseconds) to dates, and dates back to timestamps.
• JSON to CSV ConverterTurn a JSON array into a CSV file for Excel or Google Sheets. Your data is converted in your browser and never uploaded.

Design

• Lorem Ipsum GeneratorGenerate placeholder text for designs, mockups and websites, in paragraphs, sentences or words.
• HEX to RGB Color ConverterConvert a HEX color to RGB and HSL, or pick a color visually and copy the values for your CSS.

Creator

• YouTube Chapter FormatterTurn a rough list of times and topics into YouTube chapters, and check the rules before you publish.

Utility

• WiFi QR Code GeneratorCreate a QR code that lets guests join your WiFi by scanning it. The code is made in your browser.

How it works

1. Pick a tool or a prompt from the list above, or search for it.
2. Type or paste your text. Tools update as you type. Prompts ask you a few simple questions.
3. Copy the result, or paste the prompt into your AI tool.