247 Tools

Useful tools. Clear results.

Free online tools for everyday tasks.

Search 12 focused browser tools for text, encoding, formatting, conversion, and generation—no account or upload required.

Pick a tool

All 12 tools are free and run locally.

Text

Word CounterCount words, characters, sentences, paragraphs, and reading time as you write.Case ConverterConvert writing and coding text into a case style that fits the job.Duplicate Line RemoverRemove repeated lines from a list and keep the first of each.

Encode & decode

Base64 Encoder / DecoderEncode UTF-8 text as Base64 and decode it locally in your browser.URL Encoder / DecoderEncode and decode URL components safely in your browser without network requests.

Format & validate

JSON Formatter & ValidatorFormat JSON for readability, check syntax, copy the result, and keep your data in the browser.

Convert

Timestamp ConverterTurn Unix timestamps into readable dates and dates back into timestamps.Percentage CalculatorCalculate X% of a value, what percent one number is of another, or a percent change.Unit ConverterConvert length, weight, temperature, and data sizes between everyday units.

Generate

UUID GeneratorGenerate a random UUID v4 in your browser and copy it in one click.Password GeneratorCreate a strong random password with the length and character mix you choose.Lorem Ipsum GeneratorGenerate paragraphs, sentences, or words of placeholder text for layouts and mockups.

How to find the right tool

Search by name or task

Use the search form at the top to find a tool by its name or by a task you want to accomplish. Submit the form to see a results page listing matching tools.

Browse the five groups

The 12 tools are organized into five categories by task: Text, Encode & decode, Format & validate, Convert, and Generate. Scroll down past the search to see all tools in their groups.

Choose a tool by category

Text

Word Counter reports live text metrics; Case Converter changes capitalization/naming styles; Duplicate Line Remover keeps first occurrences while applying selected comparison rules.

Encode & decode

Base64 Encoder / Decoder handles UTF-8 text and standard Base64; URL Encoder / Decoder percent-encodes URL components, not complete URLs structurally.

Format & validate

JSON Formatter & Validator pretty-prints valid JSON at two-space indentation or checks syntax.

Convert

Timestamp Converter converts Unix seconds/milliseconds and dates; Percentage Calculator answers its three percentage modes; Unit Converter covers the shipped length, weight, temperature, and data-size units.

Generate

UUID Generator creates UUID v4 identifiers; Password Generator creates selected-length/set passwords with browser cryptography; Lorem Ipsum Generator creates preset placeholder paragraphs, sentences, or words.

How browser-local tools work

Tool inputs and results

Text or values entered into an individual tool are processed by that tool in your browser. They are not uploaded or sent to a 247 Tools server, and the tools do not require accounts or save tool-input history. This statement applies to tool inputs, not homepage searches, URLs, or ordinary page requests. When you choose Copy in a tool, its current result is written to your system clipboard. Browser and device resources can limit large inputs, and 247 Tools does not promise offline availability.

247 Tools uses cookieless, aggregate page analytics to count visits and popular pages. Analytics measures page views only; it does not receive anything you type into a tool.

Accounts, uploads, and saved history

The tools do not require you to create an account or upload files. Your input and results stay in your browser and are not saved on 247 Tools servers. Copy places your current result on your clipboard; clearing the page does not clear what you copied.

Clipboard, browser, and network limits

Browser and device memory can limit how much text you can paste or process. 247 Tools makes no promise about offline availability or unlimited input handling.