ExtFormatTools

Free online text and developer tools from ExtFormatTools

Open a tool, paste your input, get the result, and move on. ExtFormatTools keeps text cleanup, extraction, JSON work, regex checks, SEO reviews, and quick utility tasks simple in the browser.

Find a Tool Browse Text Tools Browse Developer Tools

48

tools linked from the main site

27

text tools for cleanup, analysis, and conversion

21

developer tools for JSON, regex, encoding, and utilities

Start with the job you need to finish

These grouped entry points keep the site simple when you know the task, but not the tool name.

Clean copied text

Fix spaces, line breaks, and other copy-paste issues before moving text into a form, doc, or CMS.

Remove Extra Spaces Remove Line Breaks Tool Remove Empty Lines

Count content length

Check word counts, character limits, and repeated-word patterns before publishing or submitting text.

Word Counter Character Counter Word Frequency

Sort or deduplicate lists

Turn rough line-by-line exports into ordered, cleaner lists without opening a spreadsheet.

Text Sorter Duplicate Line Remover Trim Lines

Validate developer input

Format JSON, validate syntax, and test regex when you need a quick browser-side check.

JSON Formatter JSON Validator Regex Tester

Review basic SEO markup

Check page titles, meta descriptions, and extracted tags before publishing or auditing a page.

Title Tag Checker Meta Description Checker Extract Meta Tags

Encode or generate values

Handle URLs, Base64 strings, passwords, and UUIDs when you need a quick utility step.

URL Encoder / Decoder Base64 Encoder / Decoder UUID Generator

Extract useful data

Pull numbers, emails, or URLs out of raw text and reuse them somewhere cleaner.

Extract Numbers Extract Emails Extract URLs

Browse by category

Keep the current top-level structure while the tool directory grows underneath it.

Text Tools

Cleanup, count, extract, and convert everyday text in one place for writing, operations, and copy-paste workflows.

Browse Text Tools

Developer Tools

Format JSON, test regex, encode values, and handle quick technical utilities without changing the current URL system.

Browse Developer Tools

Browse the tool directory

The site now scales like a directory: keep the main entry pages, then drill into grouped tools and subgroups without changing tool URLs.

Main Section

Text Tools

Cleanup, convert, extract, and analyze everyday text without changing the current page structure.

27 tools available now
Browse Text Tools
7

Text Cleanup

Whitespace fixes, blank-line cleanup, and quick copy-paste repair.

Whitespace Cleanup 6 List Cleanup 1
Open Group
7

Text Conversion

Change text structure, case, line format, or list layout.

Text Formatting 3 List Formatting 4
Open Group
7

Text Analysis

Count content, measure structure, and inspect vocabulary patterns.

Counting & Metrics 5 Vocabulary Analysis 2
Open Group
6

Extraction Tools

Pull numbers, URLs, and email addresses out of raw text.

Structured Extraction 6
Open Group
Main Section

Developer Tools

Format JSON, test patterns, encode values, and review lightweight SEO or web tasks in stable categories.

21 tools available now
Browse Developer Tools
5

JSON & Data

Format, validate, and convert structured data for development work.

JSON Validation 3 Data Conversion 2
Open Group
4

Encoding & IDs

Encode values, generate identifiers, and handle utility output.

Encoding & Decoding 2 Generators 2
Open Group
5

Developer Formatting

Regex, escaping, diffing, and text prep for technical workflows.

Escaping & Testing 4 Comparison & Review 1
Open Group
7

Time & Web

Timestamp tools, URL cleanup, and SEO-facing helpers for lightweight web work.

Time Conversion 1 Web & SEO 6
Open Group

Find a live tool fast

Search by tool name, task, tag, or keyword when you already know roughly what you need.

Remove Line Breaks Tool

Remove line breaks from text instantly online.

Cleanup

Remove Extra Spaces

Clean repeated spaces while keeping your text readable and consistent.

Cleanup

Word Counter

Count words, characters, and lines for writing, editing, and content checks.

Analysis

Case Converter

Convert text to uppercase, lowercase, and title case in one place.

Conversion

Text Sorter

Sort lines of text alphabetically for quick cleanup and organization.

Conversion

Duplicate Line Remover

Remove repeated lines from text lists and exported content.

Cleanup

Remove Empty Lines

Delete blank lines from pasted text while keeping your content order intact.

Cleanup

Trim Lines

Remove leading and trailing spaces from every line without changing the line order.

Cleanup

Replace Tabs With Spaces

Convert every tab character into four spaces for cleaner formatting and consistent alignment.

Cleanup

Character Counter

Count characters instantly for forms, limits, and content editing.

Analysis

Paragraph Counter

Count paragraphs quickly for writing and formatting checks.

Analysis

JSON Formatter

Beautify JSON for easier reading, debugging, and review.

JSON & Data

JSON Validator

Validate JSON instantly and return formatted output when the input is valid.

JSON & Data

Regex Tester

Test regular expressions in a focused browser workflow.

Formatting

Base64 Encoder / Decoder

Encode and decode Base64 text instantly in your browser.

Encoding

URL Encoder / Decoder

Encode and decode URLs instantly for web development tasks.

Encoding

Password Generator

Generate random passwords for quick security and testing needs.

Encoding

UUID Generator

Generate UUIDs instantly for application and database workflows.

Encoding

Timestamp Converter

Convert Unix timestamps into readable dates and times.

Time & Web

JSON to CSV Converter

Convert JSON data into CSV format for spreadsheets and exports.

JSON & Data

CSV to JSON Converter

Convert CSV data into JSON format for apps and APIs.

JSON & Data

HTML Escape

Escape HTML special characters for safe display in markup.

Formatting

HTML Unescape

Convert escaped HTML entities back into readable characters.

Formatting

Text Diff Checker

Compare two blocks of text and check differences quickly.

Formatting

Line Counter

Count the number of lines in your text instantly.

Analysis

Sentence Counter

Count sentences in text quickly and easily online.

Analysis

Text Reverser

Reverse text instantly online, character by character.

Conversion

Trim Text

Trim leading and trailing spaces from text online.

Cleanup

Extract Numbers

Extract all numbers from text instantly online.

Extraction

Extract URLs

Extract all URLs from text instantly online.

Extraction

Extract Emails

Extract all email addresses from text instantly online.

Extraction

Number Lines

Add line numbers to every line of text instantly.

Conversion

Add Quotes

Wrap each line in quotes for lists and data exports.

Conversion

Comma to Newline

Convert comma-separated items to one per line instantly.

Conversion

Newline to Comma

Convert line-separated items to comma-separated format instantly.

Conversion

Count Unique Words

Count total words and unique words in your text instantly.

Analysis

Text to Slug

Convert text to URL-friendly slugs for SEO and web development.

Time & Web

Word Frequency

Analyze word frequency and show most common words in text.

Analysis

Extract Phone Numbers

Extract phone numbers from text instantly online.

Extraction

Extract Hashtags

Extract hashtags from text instantly online.

Extraction

Extract Domains

Extract domain names from text, URLs, and emails instantly online.

Extraction

JSON Minifier

Minify JSON instantly for APIs, embeds, and payload cleanup.

JSON & Data

Strip HTML Tags

Remove HTML tags from pasted markup and keep readable text.

Formatting

Title Tag Checker

Check SEO title length and clean up titles before publishing.

Time & Web

Meta Description Checker

Check meta description length and clean up snippets before publishing.

Time & Web

Remove URL Parameters

Remove query parameters from URLs for cleaner sharing and SEO reviews.

Time & Web

Extract Links From HTML

Extract href links from HTML for audits, migrations, and page reviews.

Time & Web

Extract Meta Tags

Extract title, description, canonical, robots, and Open Graph tags from HTML.

Time & Web

Frequently asked questions

Short answers for new visitors.

Are these tools free to use?

Yes. The tools on this site are free to use without creating an account.

Do I need to install anything?

No. These tools work directly in your browser, so there is nothing to install.

Can the site support more categories later?

Yes. The taxonomy is already in place, so future tools can slot into the directory without changing their URLs.