Free Online Tools - No Signup, No Limits
200+ free online tools for text, development, images, SEO, math, and more. Fast, private, no signup required.
Popular Tools
JSON Formatter & Beautifier
Format and beautify JSON data with syntax highlighting and error detection.
JSON Minifier
Minify JSON to reduce file size by removing whitespace.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 to text.
Regex Tester & Debugger
Test and debug regular expressions with real-time matching.
Hash Generator (MD5, SHA)
Generate SHA-1, SHA-256, and SHA-512 hashes from text.
Password Generator
Generate strong, random passwords with customizable options.
UUID Generator
Generate UUID v4 identifiers instantly.
Color Converter
Convert colors between HEX, RGB, and HSL formats.
URL Encoder / Decoder
Encode or decode URLs and query parameters.
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa.
CSS Minifier
Minify CSS code to reduce file size.
JWT Decoder
Decode and inspect JSON Web Tokens (JWT).
Browse by Category
Developer Tools
14 toolsFree online developer tools for formatting, converting, encoding, and debugging code. JSON, XML, CSS, JavaScript, and more.
Formatters & Data Converters
15 toolsFree online formatting and data conversion tools. Convert between JSON, XML, YAML, CSV and more.
Generators
15 toolsFree online generator tools for data, codes, random strings, testing data, and more.
Math & Calculators
10 toolsFree online math tools and calculators for quick conversions, percentages, aspect ratios, and financial calculations.
Network & Sysadmin
10 toolsFree online network and system administration tools. Generate cron expressions, chmod permissions, htaccess rules, and more.
SEO Tools
15 toolsFree online SEO tools for optimizing your website. Meta tag generator, robots.txt generator, keyword density checker, and more.
Text Tools
21 toolsFree online text tools to manipulate, analyze, and transform your text. Count words, convert cases, remove duplicates, and more.
About Tools Ji
Tools Ji offers a comprehensive suite of 100+ free online tools designed for developers, writers, designers, and SEO professionals. Unlike other tool sites that require signups, store your data, or bombard you with popups, our tools run entirely in your browser.
This means your text, code, images, and data never leave your device. Whether you need to format JSON, convert colors, generate passwords, count words, or analyze SEO meta tags, we have a fast, free, and private tool for it.
We continuously add new tools based on user demand. If you cannot find what you are looking for, feel free to reach out via our contact page.