All Tools

51 tools

51 free tools and counting. Every tool runs entirely in your browser: no uploads, no sign-ups.

51 tools shown

Find tools by task

Start from the job you are doing, then jump into the right toolkit.

Format or validate data

JSON, CSV, YAML, XML, schema validation, JSON Path, and minification.

Formatter & Validator Schema Validator Minifier Path Tester

Prepare frontend code

HTML formatting, HTML/CSS minification, colors, CSS units, and page metadata.

HTML Formatter HTML Minifier CSS Minifier Color Converter

Encode, decode, and inspect

Base64, Base64 images, JWTs, hashes, escaping, and URL-safe text.

Encoder & Decoder Image Converter JWT Decoder SHA-256 Hash Generator

Build publish-ready URLs

UTM links, URL query strings, URL parsing, snippets, Open Graph, and QR codes.

URL Query Builder UTM Builder URL Parser QR Code Generator

Recently added

Line Sorter CSV to Markdown Table JSON Schema Validator URL Query Builder

Tool collections

Structured Data Code Formatting Frontend Design Web Publishing Security & Encoding

Text Tools

Analyze, compare, and transform text content.

Open category
Word Counter Count words, characters, sentences, paragraphs, and estimate reading time in real time. Text Diff Checker Compare two blocks of text and highlight line-by-line differences instantly. Case Converter Convert text between uppercase, lowercase, title case, sentence case, camelCase, and more. Slug Generator Convert any text into a clean, SEO-friendly URL slug with custom separators. Text Reverser Reverse text character by character, word by word, or line by line instantly. Line Sorter Sort text lines alphabetically, remove duplicates, trim spacing, and clean plain-text lists. Whitespace Remover Remove extra spaces, tabs, line breaks, and leading or trailing whitespace from text. Word Frequency Counter Analyze text and count how often each word appears. Identify the most common words instantly.

Developer Tools

Essential utilities for coding and debugging.

Open category
JSON Formatter & Validator Format, validate, minify, and beautify JSON data with syntax error detection. Base64 Encoder & Decoder Encode text to Base64 or decode Base64 strings back to readable text instantly. Base64 Image Converter Convert images to Base64 data URLs and preview Base64 image strings in your browser. URL Encoder & Decoder Encode or decode URL strings for safe web transmission using standard percent-encoding. SHA-256 Hash Generator Generate SHA-256, SHA-512, and SHA-1 hashes from text locally using the Web Crypto API. Regex Tester Test and debug regular expressions with real-time matching, highlighting, and match details. Markdown Preview Write Markdown on the left and see the rendered HTML preview on the right in real time. HTML Entity Encoder / Decoder Encode HTML-sensitive characters to entities or decode entities back to readable text. String Escape / Unescape Escape or unescape strings for JSON, JavaScript, HTML, and debugging workflows. JSON to CSV Converter Convert JSON arrays to CSV format. Flatten nested objects, handle arrays, and download as a CSV file. CSV to JSON Converter Convert CSV data into clean JSON arrays. Supports headers, delimiters, quoted values, and downloads. CSV Formatter Format, validate, and normalize CSV data. Clean delimiters, quoted fields, and spreadsheet exports. CSV to Markdown Table Convert CSV or TSV data into clean Markdown tables for README files, docs, and changelogs. JSON Minifier Minify JSON by removing whitespace and line breaks. Validate JSON and copy compact output. JSON Schema Validator Validate JSON data against common JSON Schema rules with readable path-level error reports. JSON Path Tester Test JSON paths against JSON data. Query nested objects, arrays, indexes, and wildcard matches. YAML Formatter Format and validate YAML documents for configs, CI files, Docker Compose, and static site settings. XML Formatter Format, validate, and minify XML documents for APIs, feeds, sitemaps, and configuration files. JWT Decoder Decode and inspect JSON Web Tokens. View header, payload, claims, expiration, and signature. Cron Expression Generator Build and understand cron expressions visually. Set schedules with presets, see next run times, and copy expressions. JSON to YAML Converter Convert between JSON and YAML formats instantly. Bidirectional conversion with copy and download support. URL Parser Parse URLs into protocol, host, path, query parameters, hash, and decoded components. URL Query Builder Build clean URLs with encoded query parameters, repeated keys, sorting, and copy-ready output. HTML Formatter Format, indent, and minify HTML snippets for cleaner markup and code review. HTML Minifier Minify HTML snippets by removing comments, collapsing whitespace, and compacting markup. CSS Minifier Minify CSS by removing comments, collapsing whitespace, and compacting declarations. SQL Formatter Format and minify SQL queries for easier reading, debugging, and sharing.

Generators

Generate random data, passwords, and placeholder content.

Open category
Password Generator Online Generate strong random passwords with custom length, letters, numbers, symbols, and local processing. Lorem Ipsum Generator Generate placeholder text with adjustable paragraphs, sentences, or word count. UUID Generator Online Generate UUID v4 and GUID-style identifiers in bulk with uppercase and dashless options. Random Number Generator Generate random numbers within a range. Supports integers, decimals, and bulk generation. Lorem Image Placeholder Generate placeholder image URLs with custom dimensions for your designs and mockups. QR Code Generator Generate QR codes for URLs, text, email, phone numbers, and WiFi credentials. Customize size and colors, download as PNG.

Converters

Convert between different data formats and number bases.

Open category
Color Converter Convert colors between HEX, RGB, and HSL formats with live visual preview. Timestamp Converter Convert between Unix timestamps and human-readable dates. Current timestamp shown live. Timestamp Batch Converter Convert multiple Unix timestamps, millisecond timestamps, and date strings into readable time values. Number Base Converter Convert numbers between binary, octal, decimal, and hexadecimal bases instantly. CSS Unit Converter Convert between CSS units: px, em, rem, vw, vh, and percentage. With live preview.

SEO Tools

Optimize your website for search engines.

Open category
Meta Tag Generator Generate SEO-friendly HTML meta tags, Open Graph tags, and Twitter Card tags for your website. SERP Snippet Preview Preview Google-style search snippets and tune page titles, URLs, and meta descriptions. UTM Builder Build campaign URLs with UTM source, medium, campaign, term, and content parameters. Robots.txt Generator Generate robots.txt rules with user-agent, allow and disallow paths, sitemap, and crawl delay. Open Graph Preview Preview social sharing cards and generate Open Graph meta tags for pages and posts.