FreeToolsWorld

All 136 free online tools

Search by name or filter by category. Every tool has its own page, works without an account, and most of them never send your data anywhere.

Text Tools

Count, clean, convert and reorder any block of text.

Word Counter

Live word, character, sentence and paragraph counts with a reading-time estimate.

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Character Counter

Character, word, line and paragraph counts that update as you type.

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Case Converter

Convert any text to UPPERCASE, lowercase, Title Case, Sentence case and more.

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Text to Slug Converter

Convert a headline into a lowercase, hyphenated URL slug ready for publishing.

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Remove Duplicate Lines

Deduplicate any list of lines, with case-sensitive and empty-line options.

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Text Sorter

Order any list A-Z, Z-A, by number, by line length, or simply reverse it.

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Text Reverser

Flip text backwards at character, word or line level in one click.

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Text Cleaner

Tidy messy pasted text: extra spaces, empty lines, breaks and special characters.

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Find and Replace Text

Replace text everywhere at once, with case options and regex support.

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Text Diff Checker

Spot every added, removed and unchanged line between two versions.

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Word Frequency Counter

Rank every word by how often it appears, with counts and percentages.

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Lorem Ipsum Generator

Create as much placeholder copy as a layout needs, in one click.

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Developer Tools

Format JSON, inspect URLs and work with timestamps.

JSON Formatter

Pretty-print and validate JSON, with the exact line and column of any error.

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JSON Minifier

Strip whitespace from JSON and compare original and minified sizes.

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URL Parser

Split a URL into every component, including a table of query parameters.

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Timestamp Converter

Translate between Unix time and human-readable dates in both directions.

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Unix Timestamp Generator

The current epoch time in seconds and milliseconds, updating every second.

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Hash Generator

Generate cryptographic hashes of text, computed in your browser.

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UUID Generator

Generate cryptographically random UUIDs in bulk, with format options.

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Regex Tester

Build and test regular expressions live, with highlighted matches and groups.

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JWT Decoder

Decode a JWT to see its header, claims and expiry, without sending it anywhere.

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CSV to JSON Converter

Turn spreadsheet data into JSON, or JSON records back into CSV rows.

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Live HTML Editor

A three-pane editor with a live preview that updates as you type.

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CSV Viewer

View CSV data as a proper table you can sort, search and page through.

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CSV Formatter

Fix delimiters, trim fields, remove empty rows and re-quote CSV properly.

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YAML to JSON Converter

Translate between YAML and JSON, with clear errors on invalid indentation.

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MIME Type Lookup

Look up MIME types by extension, or find which extensions use a type.

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Cron Expression Generator

Generate cron expressions from a schedule, and explain ones you already have.

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User Agent Parser

Parse any user agent string, or inspect your own browser's.

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CSP Generator

Generate a Content Security Policy header directive by directive, with explanations.

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MD5 Generator

Produce the standard 32-character MD5 digest of any string in your browser.

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SHA-256 Generator

Produce the 64-character SHA-256 digest of any string using your browser's own crypto.

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JSON to CSV Converter

Convert an array of JSON objects into CSV, with nested fields flattened.

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JSON to XML Converter

Turn JSON into indented, well-formed XML with proper escaping.

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XML to JSON Converter

Turn an XML document into JSON, with attributes and text content preserved.

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Calculators

Percentages, discounts, loans, interest and dates.

Percentage Calculator

Three calculators: percent of a number, what percent one number is, and change.

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Discount Calculator

Enter a price and a discount to get the saving, the final price and tax.

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Age Calculator

Enter a date of birth to get an exact age plus total months, weeks and days.

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BMI Calculator

Work out BMI from height and weight, in metric or imperial units.

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Loan Calculator

Calculate monthly payments and total interest for any fixed-rate loan.

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Unit Converter

Convert between metric and imperial units across seven categories.

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Tip Calculator

Calculate a tip, the total, and what each person owes when splitting.

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Average Calculator

Paste any list of numbers and get the full set of summary statistics.

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Fuel Cost Calculator

Calculate trip fuel cost from distance, efficiency and the price per unit.

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Date Calculator

Add days, weeks or months to a date, or count the gap between two dates.

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Scientific Calculator

Evaluate full expressions with trigonometry, logarithms, powers and constants.

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Fraction Calculator

Calculate with fractions and mixed numbers, simplified and explained.

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Profit Margin Calculator

Calculate profit margin and markup, or find the price for a target margin.

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Salary Calculator

Convert a salary between hourly, weekly, monthly and annual figures.

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GPA Calculator

Calculate weighted GPA from your grades and credit hours.

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Image Tools

Compress and resize pictures without uploading them.

Image Compressor

Compress and resize JPEG, PNG and WebP images privately in your browser.

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Image Resizer

Resize images by pixels or percentage, with aspect ratio locking.

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Image Cropper

Crop images by dragging a selection, with fixed ratio presets.

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Favicon Generator

Generate favicon PNGs, an .ico file and the HTML to link them.

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SVG to PNG Converter

Convert SVG to PNG at a chosen size, with transparency preserved.

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EXIF Data Viewer

Read camera settings, dates and GPS data stored inside a JPEG.

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JPG to PNG Converter

Turn JPG files into PNG without uploading them anywhere.

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PNG to JPG Converter

Turn PNG files into JPG without uploading them anywhere.

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Color Tools

Pick colours and convert between HEX, RGB and HSL.

Color Picker

Choose any colour and copy it in HEX, RGB or HSL, with tints and shades.

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HEX to RGB Converter

Turn any HEX code into RGB and HSL values, with alpha support.

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RGB to HEX Converter

Enter R, G and B values and get the matching HEX and HSL colour.

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Color Contrast Checker

Measure contrast between two colours and see which accessibility levels pass.

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CSS Gradient Generator

Design linear and radial gradients with live preview and copyable CSS.

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Color Palette Generator

Generate complementary, triadic and analogous palettes from any colour.

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Encoding & Conversion

Base64, URL and HTML encoding in both directions.

Base64 Encoder

Encode any text, including emoji and accents, to a Base64 string.

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Base64 Decoder

Decode Base64 back to text, with friendly errors for malformed input.

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URL Encoder

Escape spaces, symbols and non-ASCII characters for use in URLs.

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URL Decoder

Decode %20 and other percent escapes back into normal characters.

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HTML Encoder & Decoder

Escape angle brackets and quotes to HTML entities, or decode them back.

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Number Base Converter

Convert a number between binary, octal, decimal, hex and custom bases.

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Text to Binary Converter

Convert text to binary or hex byte values, and convert them back to text.

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Morse Code Translator

Convert text to Morse code and back, with audio playback of the result.

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Utility Tools

Passwords, QR codes and other everyday helpers.

Password Generator

Generate strong random passwords with your own length and character rules.

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QR Code Generator

Generate a QR code for any link or text and download it as a PNG or SVG.

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Random Number Generator

Pick random numbers in a range, with unique-only and sorting options.

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Stopwatch and Timer

Time anything with a lap stopwatch, or count down with an audible alarm.

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Time Zone Converter

Convert times across time zones, with daylight saving handled correctly.

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World Clock

A live clock showing the current time in as many cities as you choose.

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Random String Generator

Create random strings, tokens and IDs using cryptographic randomness.

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SEO Tools

Links, meta tags, schema markup, redirects and SERP previews.

HTML Link Generator

Generate HTML, Markdown and BBCode links with nofollow, sponsored and target options.

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Bulk Hyperlink Generator

Convert a whole list of URLs and anchor texts into HTML or Markdown links.

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Anchor Text Generator

Generate exact, partial, branded and generic anchor variations with a distribution.

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URL Extractor

Extract all URLs from text or HTML, with anchor text and filtering options.

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Domain Extractor

Strip URLs down to domains or root domains, with counts and deduplication.

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Duplicate URL Remover

Remove repeated URLs, treating trailing slashes and tracking parameters as the same.

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URL Cleaner

Remove utm and click-tracking parameters, fragments and stray characters from URLs.

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UTM Builder

Create UTM-tagged links for campaigns, with validation and a consistent format.

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SEO Title Generator

Build title tags from patterns and check their pixel width against search results.

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Meta Description Generator

Build meta descriptions from patterns and check their width against search snippets.

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SERP Preview Tool

Preview the title, URL and description as a search result, on desktop and mobile.

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Keyword Density Checker

Check single word, two-word and three-word phrase density in any text.

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Heading Tag Generator

Generate heading markup from an outline, and check an existing page for structure problems.

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Image Alt Tag Generator

Generate img tags with alt, width and loading attributes, and audit alt text quality.

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Open Graph Generator

Generate Open Graph meta tags with a live preview of the shared link card.

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Twitter Card Generator

Generate Twitter Card meta tags with summary and large image card previews.

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Canonical Tag Generator

Generate canonical link tags, with hreflang alternates and common-mistake checks.

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Robots.txt Generator

Generate robots.txt with per-crawler rules, sitemap lines and common presets.

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XML Sitemap Generator

Build sitemap.xml from your URL list, with lastmod, changefreq and priority.

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301 Redirect Generator

Generate redirect rules for Apache, nginx, Netlify, Vercel and Cloudflare from a mapping.

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.htaccess Generator

Generate .htaccess rules for redirects, caching, compression and security headers.

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Schema Markup Generator

Generate Article, Product, LocalBusiness, Organization, Person and Event schema.

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FAQ Schema Generator

Generate FAQPage JSON-LD from your questions and answers, correctly escaped.

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SEO Audit Tool

Check title, description, headings, canonical, robots, Open Graph, schema and images in one pass.

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Keyword Extractor

Extract single keywords and multi-word phrases ranked by how much they carry the text.

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Anchor Text Extractor

Extract anchor text, destinations and rel attributes from any HTML, as a table or CSV.

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Internal Link Checker

Find internal links, their anchor text and the faults that stop them working.

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External Link Checker

Find external links, their rel attributes and the ones that need attention.

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Image Alt Checker

Check every image on a page for missing, empty or unhelpful alt text.

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URL Sorter

Sort URLs alphabetically, by domain, by path depth or by length.

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Domain Sorter

Sort domains alphabetically, by TLD, by length or by how often they appear.

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TLD Filter

Filter a list of domains or URLs by top-level domain, keeping or excluding what you choose.

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Code Formatters

Tidy or shrink HTML, CSS, JavaScript, XML, SQL and Markdown.

HTML Formatter

Pretty-print HTML with consistent indentation, or collapse it back down.

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CSS Formatter

Format CSS with consistent indentation, spacing and one declaration per line.

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JavaScript Formatter

Format JavaScript with consistent indentation, spacing and statement breaks.

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HTML Minifier

Shrink HTML by removing comments and collapsing whitespace, safely.

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CSS Minifier

Minify CSS by removing comments, whitespace and redundant characters.

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JavaScript Minifier

Shrink JavaScript by removing comments and whitespace, without renaming anything.

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XML Formatter

Pretty-print XML with proper indentation, and catch malformed documents.

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SQL Formatter

Format SQL with keywords, clauses and joins on their own lines.

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Markdown to HTML

Turn Markdown into HTML with a live preview and escaped output.

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HTML to Markdown

Convert HTML into Markdown, keeping headings, lists, links and tables.

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Recently added

The newest additions to the collection.

HTML Link Generator

Generate HTML, Markdown and BBCode links with nofollow, sponsored and target options.

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Bulk Hyperlink Generator

Convert a whole list of URLs and anchor texts into HTML or Markdown links.

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Anchor Text Generator

Generate exact, partial, branded and generic anchor variations with a distribution.

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URL Extractor

Extract all URLs from text or HTML, with anchor text and filtering options.

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Domain Extractor

Strip URLs down to domains or root domains, with counts and deduplication.

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Duplicate URL Remover

Remove repeated URLs, treating trailing slashes and tracking parameters as the same.

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