107+ Free Tools

Free Online Tools

Make your life more convenient with 100+ free tools: JSON formatter, SEO utilities, domain checker, password generator, and much more.

107+
Free Tools
12
Categories
100%
Free Forever
Everything you need

All Free Tools

Pick a category or search above. All tools are free, no account required.

Developer Tools

.htaccess Generator

Generate Apache .htaccess files with HTTPS redirect, WWW handling, custom redirects, error pages, IP blocking, compression, caching, and security features

Content Tools

Age Calculator

Age Calculator can accurately calculate your exact age based on your birthday. Years, months, and days will be presented as the determined age.

Cryptography & Security

Argon2 Hash Generator

Generate and verify Argon2 hashes with configurable parameters (memory, time, parallelism). Supports Argon2id, Argon2i, and Argon2d algorithms. Winner of Password Hashing Competition

Fun & Misc

Astronomy Picture of the Day

Find most beautiful astronomy picture of the day, courtesy of NASA, with a single click of a button.

Image Tools

Avatar Maker

Create a simple avatar to use on social media profiles, online forum, site avatar etc with the free Online Avatar Maker tool.

Generators

Barcode Generator

Generate barcode images and download high-quality graphics for scanners and readers. Enter your GTIN barcode number to begin.

Converters

Base64 Encode and Decode

Use this extremely useful Base64 Encode and Decode tool to encode or decode your Base64 data, absolutely for free.

Cryptography & Security

Bcrypt Hash Generator

Generate secure bcrypt password hashes with adjustable cost factor. Includes password verification and salt extraction.

SEO Tools

Blogger Robots.txt Generator

Easily and instantly generate a Robots.txt file for your Blogger (Blogspot) blogs for SEO-friendly crawling.

Domain & Server Tools

Bulk Domain Age Checker

Check domain age using the Bulk Domain Age Checker for free, up to 10 domains at once.

Domain & Server Tools

Bulk Domain Availability Checker

Use this tool to search domain availability in bulk, whether for your personal project, business, or anything else, all for free.

Generators

Bulk Hyperlink Generator

Easily create HTML hyperlinks code from a list of URLs and anchor texts with the free Bulk Hyperlinks Generator tool.

Fun & Misc

Business Idea Generator

Generate your next business idea or startup idea from thousands of available business ideas with a single generate button.

CSS & Design

CSS Border Radius Generator

Create perfect rounded corners with live preview. Supports individual corner control, preset shapes, and visual editing

CSS & Design

CSS Box Shadow Generator

Create professional CSS box shadows with live preview. Supports multiple layers, inset shadows, and preset effects

CSS & Design

CSS Flexbox Generator

Learn and create flexbox layouts with live visual preview. Supports all flexbox properties, preset layouts, and interactive editing

CSS & Design

CSS Gradient Generator

Create beautiful CSS gradients with live preview. Supports linear, radial, and conic gradients with multiple color stops

Formatter & Minifier

CSS Minifier

Online CSS Minifier is a free tool to help you minify the long CSS code into single-line minified code.

Converters

CSV to JSON Converter

Convert CSV data to JSON format with auto-delimiter detection, smart data type parsing, and customizable options

Converters

Case Converter

Change text online between different letter cases, such as lower case, UPPER CASE, Sentence case, Capitalized Case, and aLtErNaTiNg cAsE.

CSS & Design

Color Palette Generator

Generate beautiful color palettes from base colors or images. Supports 6 harmony types, image color extraction, and multiple export formats

Developer Tools

Crontab Expression Generator

Generate and test cron expressions with visual interface. Features quick presets, human-readable descriptions, next run times calculator, and crontab entry examples

Domain & Server Tools

DNS Lookup

DNS Lookup tool is a tool that searches for all DNS records such as A, AAAA, CNAME, MX, NS, CAA, and TXT records for a particular domain name.

Developer Tools

Diff Checker

Compare two texts or code blocks to find differences. Supports character, word, and line-by-line comparison with side-by-side and inline views

Domain & Server Tools

Domain Age Checker

Domain Age Checker is the simplest tool to find the age of a domain by fetching the data directly from the WHOIS database, free of charge.

Domain & Server Tools

Domain Availability Checker

Use the Domain Availability Checker tool and register the domain that fits your audience and business.

Image Tools

Drawing Tool

Online Drawing Tool provides fast drawing experience for everyone to create digital artwork and download it as a JPG image.

Text Tools

Fancy Text Generator

Fancy Text Generator will help you convert any text into hundreds of elegant, exotic, or stylish fonts which you can copy and paste into your webpages, email campaign, social media profiles, and any other platforms.

Image Tools

Favicon Generator

Generate favicons in multiple sizes (16×16 to 512×512) with customizable background, padding, and border radius. Download individually or as ZIP with HTML code. 100% browser-side processing

Text Tools

Flip Text Generator

Turn Your Text Upside Down for Reasons That Are Your Own Business.

Generators

Google Fonts Preview Tool

Write perfect content for both humans and search engines. Easily preview Google Fonts and find the best combination of Google Fonts pairing from 650+ best fonts with the Google Fonts Preview tool.

SEO Tools

Google SERP Location Changer

Check Google search rankings from any country, city, or region without a VPN. Free SERP location changer using UULE parameters

SEO Tools

Google SERP Preview

Generate eye-catching and SEO-friendly title tag and meta description with the free Google SERP Preview Tool.

Cryptography & Security

HMAC Generator

Generate and verify HMAC (Hash-based Message Authentication Code) for message authentication and integrity

Generators

HTML Button Generator

HTML Button Generator creates HTML code to make a button that can be put into HTML. Customize your button style in real-time and grab the HTML code.

CSS & Design

HTML Color Picker

Pick and convert colors between HEX, RGB, RGBA, HSL, and HSLA formats. Features interactive canvas, color harmonies, shades, tints, and save functionality

Formatter & Minifier

HTML Decode

HTML Decode is an easy-to-use and free online tool to decode your encoded HTML directly from your browser less than a second.

Formatter & Minifier

HTML Encode

Encode your HTML code instantly on your browser using the free HTML Encode tool.

Converters

HTML Entity Converter

HTML Entity Converter tool will help you escape/convert special characters in text to HTML entities without having to manually doing it.

Formatter & Minifier

HTML Minifier

Online HTML Minifier reduces the size of HTML files by minifying HTML code and improve website performance.

Converters

HTML to Markdown

Instantly convert HTML to Markdown with one click. Save and share the Markdown code.

Converters

HTML to PDF Converter

Instantly convert HTML to PDF document with a single click, either by fetching directly from a webpage/URL or manually.

Converters

Hex to RGB Converter

Instantly convert any Hex color code into its RGB values or vice versa with the Hex to RGB Converter tool.

Domain & Server Tools

IP Lookup

Find an IP address and its location with this free IP Lookup tool. Verify an IP address, and its geolocation if you're curious about it.

Image Tools

Image Color Picker

Instantly pick color Hex and RGB color code from any image. Just upload an image and pick the color using Image Color Picker tool.

Image Tools

Image Resizer

Resize images in your browser with custom dimensions, percentage scaling, or preset sizes. Supports JPEG, PNG, and WebP formats with quality control. 100% client-side processing

Image Tools

Image to Base64 Converter

Convert images to Base64 encoding and decode Base64 back to images. Supports multiple output formats including Data URI, plain Base64, CSS background, and HTML img tag. 100% browser-side processing

Formatter & Minifier

JSON Formatter

JSON Formatter was created to help developers with debugging, formatting, and having clear set of JSON data for easier development.

Formatter & Minifier

JSON Minifier

Online JSON Minifier tool will help you compress your JSON data by simply load your JSON and it will be instantly minified.

Converters

JSON to CSV Converter

JSON to CSV Converter

Converters

JSON to XML Converter

Convert JSON data to XML format with customizable root elements, indentation, CDATA support, and attributes mode

Cryptography & Security

JWT Decoder

Decode and analyze JWT (JSON Web Token) structure, claims, and expiration

Formatter & Minifier

Javascript Minifier

Online Javascript Minifier or JS minifier is a free tool to minify your javascript code.

Content Tools

Legal Document Generator

Generate Privacy Policy, Terms of Services, and Disclaimer pages for your website with this free Legal Document Generator tool.

Text Tools

Line Prefix & Suffix

Add prefix and suffix to each line of text with 12 quick presets including quotes, brackets, HTML tags, and more. Features live preview, line numbers, and custom separators

Developer Tools

Live Content Previewer Tool

Instantly retrieve a content from remote URL and show it nicely in a Facebook-like layout using the Live Content Previewer tool.

Content Tools

Lorem Ipsum Generator

This Lorem Ipsum Generator tool will help you generate dummy lorem ipsum text for every needs.

Cryptography & Security

MD5 File Checksum

Easily calculate the MD5 hash of any file instantly and directly on your browser. Avoid security flaw of a file, for free.

Cryptography & Security

MD5 Hash Decrypter

MD5 Hash Decrypter is a tool that automatically decrypts MD5 hash using dictionary of more than 1 trillion potential passwords.

Cryptography & Security

MD5 Hash Generator

Encrypt your password, credit card data, or any sensitive information using MD5 Hash Generator, all for free!

Converters

Markdown to HTML

Convert Markdown to HTML. Paste or type Markdown text to view the HTML version. Copy or download the HTML code.

SEO Tools

Meta Tags Extractor

Extract the most important meta tags data from any URL, including Facebook's open graph and Twitter's meta data, for free!

SEO Tools

Meta Tags Generator

Meta Tags Generator is a free tool that allows you to debug and produce HTML meta tag code for any kind of websites.

Converters

PDF to Text Extractor

PDF to Text Extractor tool will convert PDF to text on the fly. The true online PDF to text extractor which is fast, safe, and free.

Image Tools

PNG Gradient Background Generator

Generate a gradient background image and download it as a PNG image file for free using PNG Gradient Background Generator.

Generators

QR Code Generator

Create free QR Codes for URLs, text, and other content. This tool provides a quick and easy way to generate them.

Fun & Misc

Quote of the Day

Generate random quote of the day with a click of a button. Find most memorable quotes from notable person in the history.

Fun & Misc

Random Anti-Boredom Activity

Generate anti-boredom activity with a single click of a button. Find the most useful activity you can do alone or with your friends.

Fun & Misc

Random Cat Facts

Generate random cat facts and find some funny and cute facts about cats along with their cute pictures with a single click of a button.

Fun & Misc

Random Life Advice

Generate random life advice that you might find useful to improve the quality of your life with a single click of a button.

Fun & Misc

Random Programmer Jokes

Generate random programmer jokes with a single click of a 'Generate' button. Have fun with jokes only programmers can understand!

Developer Tools

Regex Tester & Explainer

Test and debug regular expressions with live matching, syntax highlighting, pattern explanation, and common regex examples. Supports all JavaScript regex flags

Text Tools

Remove Duplicate Lines

Remove duplicate lines from text with options for case sensitivity, whitespace trimming, sorting, and keeping first or last occurrence. Includes statistics and duplicate analysis

Generators

Responsive Google Maps Embed

Generate responsive Google Maps embed code automatically using custom HTML and CSS code, easily and instantly for free!

Generators

Responsive Youtube Embed Generator

Instantly generate responsive Youtube video embed codes for you to use without writing a single line of code, for free!

Text Tools

Reverse Text Generator

Convert any text into reversed version of the original, flip it, flip the wording and many more using the Reverse Text Generator tool.

SEO Tools

Robots.txt Generator

Create a perfect robots.txt file for free with this simple tool and have search engines to properly crawl and index the important pages of your site.

SEO Tools

SEO Content Analysis

SEO Content Analysis will help you improve your SEO content and get improvement recommendations against keywords, 100% free.

Cryptography & Security

SHA-1 Hash Generator

Generate SHA-1 hashes for legacy compatibility. ⚠️ SHA-1 is deprecated - use SHA-256 or higher for security

Cryptography & Security

SHA-256 Hash Generator

Generate SHA-256 hash from any string instantly on the fly within less than a second with the free SHA256 Hash Generator.

Cryptography & Security

SHA-384 Hash Generator

Generate SHA-384 cryptographic hashes for text and files with support for multiple algorithms

Cryptography & Security

SHA-512 Hash Generator

The SHA512 Hash Generator is a great tool to instantly generate unique 512-bit (32-byte) signature for any text for free.

Formatter & Minifier

SQL Formatter & Beautifier

Format and beautify SQL queries with customizable indentation, keyword case transformation, and intelligent formatting options

Domain & Server Tools

SSL Certificate Checker

Check SSL/TLS certificate details, validity, expiration, security grade, and certificate chain for any domain.

SEO Tools

Schema Markup Generator

Schema Markup Generator tool will help you create perfect structured data for any webpage in seconds by generating FAQ, reviews, How-to, article, Local Business, and may other JSON-LD markups.

Generators

Social Share Link Generator

Automatically generate top 10+ social media share links with a click including Facebook, Twitter, Linkedin, WhatsApp, and more for 100% free!

Cryptography & Security

Strong Password Generator

Gerate a very strong password only with a few clicks with the free online Strong Password Generator.

Converters

Text to Binary Converter

Text to Binary Converter is a very simple tool to help you convert any text into binary or vice versa, with super instant process.

Fun & Misc

Today in History

Discover what happened today in history throughout the world, including key events in crime, politics, war, etc.

Generators

Top Notification Bar Generator

Easily and instantly create a highly customizable top fixed bar with the free Top Notification Bar Generator tool.

Converters

URL Encoder and Decoder

URL Encoder and Decoder is a very simple tool to help you convert any URL into a percent encoded string.

Developer Tools

URL Parser

Parse and analyze URLs with detailed breakdown of all components including protocol, host, path, query parameters, and hash. Features JSON output and individual component copying

Text Tools

URLs Extractor Tool

Get all URLs from a website online using URLs Extractor Tool. Extract URLs from any website instantly for free.

SEO Tools

UTM Tag Builder

Easily tag your URLs based on campaign with this easy-to-use UTM Tag Campaign Builder & Generator.

Developer Tools

UUID / GUID Generator

Generate UUIDs (v1, v4) and GUIDs with bulk generation, validation, and parsing. Supports multiple formats including standard, compact, uppercase, braces, and URN

Developer Tools

Unix Timestamp Converter

Convert between Unix timestamps and human-readable dates. Features live current timestamp, batch conversion, timestamp calculator, and multiple format outputs

SEO Tools

Video Schema Markup Generator

Video Schema Markup Generator is a tool that automatically fetches detailed information from a Youtube video URL and generate JSON-LD and microdata structured data markups.

Domain & Server Tools

WHOIS Lookup

WHOIS Lookup tool is a tool that helps you find out all you need to know about a domain, from creation date to domain's owner, all for free.

SEO Tools

Web Cache Viewer

Web Cache Viewer is a free tool to view a cached version of a web page, both from Google Cache and Wayback Machine.

Generators

WhatsApp Chat Link Generator

Generate a WhatsApp chat link to send to a specific number with a personalized message and share it with your audience, customers, or online networks, instantly and for free!

Text Tools

Word Counter

Word Counter tool is the perfect tool to count the number of word, character, sentence, paragraph, and top keyword from a set of text in real-time.

Generators

WordPress Child Theme Generator

WordPress Child Theme Generator is a free tool to create a custom child theme for your currently active theme without having to write a single code.

SEO Tools

XML Sitemap Generator

Create the perfect XML Sitemap file for your site to make it easier and faster for search engines such as Google and Bing to crawl.

SEO Tools

XML Sitemap URL Extractor

Extract all URLs from XML sitemaps instantly. Load any sitemap and export URLs to CSV or TXT format.

Generators

Youtube Subscribe Link Generator

Generate a Youtube channel subscribe link that shows popups if people click it for free with the Youtube Subscribe Link Generator.

Image Tools

Youtube Thumbnail Downloader

Free YouTube Thumbnail Downloader tool allows you to instantly download any YouTube thumbnail with just a few clicks.

Developer Tools

cURL to Code Converter

Convert cURL commands into code for 15+ programming languages instantly. Perfect for developers who need to translate API requests from cURL format into their preferred programming language.

Free Online Tools for Web Developers, SEO Practitioners & Digital Marketers

Walter Pinem Tools is a site that contains a collection of 75+ free browser-based tools for SEO, web development, security, and content creation. Every tool runs entirely in your browser — no registration, no CAPTCHA, no data leaving your device. Because apparently, asking people to sign up just to format some JSON is a crime against humanity.


What can you do with these tools?

Quite a lot, actually. The collection covers everything from generating meta tags and previewing Google SERP snippets to checking WHOIS records, hashing text with SHA-256, generating strong passwords, and extracting all URLs from an XML sitemap. There are 75+ tools across 9 categories. Plenty to keep you busy avoiding the actual work.


Why are these tools completely free?

They were built for personal use — to automate repetitive tasks, speed up development workflows, and handle the kind of work that shouldn't require opening five browser tabs or paying for a SaaS subscription. Sharing them publicly seemed like the obvious thing to do. No freemium model. No "upgrade to unlock." Just tools that work.


How do these tools protect your privacy?

Every tool in this collection processes data entirely on your device using client-side code. Nothing is sent to a server. That means your passwords, your hashes, your files, your text — all of it stays local. For a world where every free tool secretly harvests your data, this is a refreshingly boring alternative.


What categories of tools are available?

The collection is organized into nine categories so you can find what you need without scrolling through an increasingly chaotic list:

  • SEO Tools — Meta tags, schema markup, robots.txt, XML sitemaps, SERP preview, and content analysis
  • Domain & Server Tools — WHOIS, DNS lookup, IP lookup, domain age and availability checking
  • Security & Cryptography — MD5, SHA-256, SHA-512 hashing, file checksums, and password generation
  • Formatters & Minifiers — HTML, CSS, JavaScript, and JSON formatting and minification
  • Text Tools — Base64, URL encoding, HTML entities, text converters, and URL extractors
  • Generators — QR codes, barcodes, social share links, WhatsApp links, legal page templates
  • Converters — HTML to Markdown, Markdown to HTML, PDF to text, HEX to RGB
  • Content Tools — Word counter, Lorem Ipsum generator, age calculator
  • Miscellaneous — Color picker, Google Fonts preview, YouTube thumbnail grabber, and more

Frequently Asked Questions

Yes. All 75+ tools are completely free with no usage limits, no registration, and no payment required — for personal and commercial use alike. The goal was to make useful tools accessible without attaching a pricing page to them.

No account, no login, no email confirmation. You open the tool, use it, and leave. Radical concept, apparently.

All processing happens locally in your browser. No data is transmitted to any external server at any point. This applies to password generation, file checksums, hashing, and every other tool in the collection. Your data is yours.

All tools are mobile-friendly and work on modern browsers including Chrome 90+, Firefox 88+, Safari 14+, Edge 90+, and Opera 76+. No plugins or extensions required.

There are currently 75+ tools across 9 categories, covering SEO, cryptography, domain research, code formatting, text processing, file conversion, and general web development utilities. New tools are added regularly.

The Schema Markup Generator produces valid JSON-LD structured data for Article, Product, Organization, FAQ, HowTo, and other schema types — ready to paste directly into your site's <head>.

Use the XML Sitemap URL Extractor. Enter your sitemap URL, click Load Sitemap, and every URL is extracted into a textarea — one per line — ready to export as CSV or TXT.

MD5 produces a 32-character hash and is fast, but not recommended for security-critical applications due to known collision vulnerabilities. SHA-256 produces a 64-character hash and is significantly more secure. Use the MD5 Hash Generator for checksums and legacy compatibility, and the SHA-256 Hash Generator for anything security-related.

New tools are added regularly. If something you need isn't here yet, it probably will be — unless it's truly unreasonable, in which case, no promises.

About These Tools

Made for Makers

These tools are built and maintained by Walter Pinem — a developer, SEO consultant, and blogger from Indonesia. All tools are completely free, no sign-up required, and will always be.

107+
Free Tools
12
Categories
100%
Free Forever
40K+
Plugin Users