All Free Online Tools

Case Converter

Convert text to uppercase, lowercase, title case, sentence case, camelCase, and more. Free online tool with real-time preview. No signup, 100% private.

Text Tools

Markdown Editor

Free online Markdown editor with real-time preview. Write, edit, and export Markdown instantly. No signup, no ads, 100% private. Try now - supports GFM, tables, code blocks.

Text Tools

Text Diff Checker

Compare two texts and highlight differences instantly. Free online diff tool with character, word, and line comparison. No signup, 100% private.

Text Tools

Text Replacer

Free online text replacer with regex support. Find and replace text instantly with real-time preview. Use regular expressions for advanced pattern matching, batch processing, and bulk text replacement. 100% private - all processing in your browser. No file size limits, no registration required.

Text Tools

Timestamp Converter

Convert Unix timestamp to human-readable date and vice versa. Free online tool with timezone support, relative time, date calculator, and batch conversion. No signup required.

Text Tools

Word Counter

Count words, characters, sentences, paragraphs, reading time and speaking time instantly. Free online tool with real-time preview. No signup, 100% private.

Text Tools

Image Compressor

Free online image compressor. Compress JPEG, PNG, WebP images without losing quality. 100% browser-based, no upload to server. Batch processing supported.

Image Tools

Image Resizer

Resize images online for free. Change photo dimensions instantly in your browser. 100% private, supports JPEG, PNG, WebP, GIF. No upload, no registration required.

Image Tools

Image Splicer

Free online image splicer. Combine multiple photos with 13 layout modes. 100% browser-based, no upload needed. Drag-drop reorder, rotate images, download as PNG/JPEG/WebP. Privacy-first, free forever.

Image Tools

QR Code Generator

Free online QR code generator. Create custom QR codes instantly for URLs, text, WiFi, vCard, email, and phone. 100% private, no data stored, high-resolution output.

Image Tools

Base64 Encoder & Decoder

Free online Base64 encoder and decoder. Encode text to Base64 or decode Base64 to text instantly. Supports Base64URL, batch processing, and Unicode. 100% browser-based, no data upload.

Developer Tools

HTML Formatter & Beautifier

Free online HTML formatter and beautifier. Format HTML code with customizable indentation, syntax highlighting, and real-time validation. 100% browser-based, no data upload, no file size limits.

Developer Tools

JSON Formatter & Validator

Free online JSON formatter, validator, and beautifier. Format JSON with syntax highlighting, precise error location, tree view, and JSONPath query. 100% browser-based, no data upload.

Developer Tools

Lorem Ipsum Generator

Free Lorem Ipsum generator with multiple formats. Create dummy text, placeholder text, or filler text for web design, mockups, and prototypes. Supports paragraphs, sentences, words, and lists with HTML tags. No signup, 100% private.

Developer Tools

SQL Formatter

Free online SQL formatter with real-time preview. Format SQL for MySQL, PostgreSQL, SQL Server instantly. No signup, no ads, 100% private. Try now!

Developer Tools

URL Encoder & Decoder

Free online URL encoder and decoder with encodeURI and encodeURIComponent support. Features batch processing, history tracking, and keyboard shortcuts. Handles special characters, Chinese, Unicode, and emoji. 100% browser-based.

Developer Tools

Meta Tag Generator

Generate SEO-friendly meta tags, Open Graph tags, Twitter Cards, and JSON-LD schema instantly. Free online tool with real-time preview. No signup, 100% private.

SEO Tools

Robots.txt Generator

Create robots.txt files in seconds with our free online generator. Visual builder, pre-built templates, real-time validation. 100% private, no signup required.

SEO Tools

Sitemap Generator

Free XML sitemap generator - create sitemaps for Google, Bing & search engines. Add unlimited URLs, set priorities & changefreq. 100% browser-based, no data upload. Download sitemap.xml instantly.

SEO Tools

PDF Merger

Free online PDF merger tool. Combine multiple PDF files into one document instantly. No registration, 100% private - all processing happens in your browser. No file size limits.

PDF Tools

Video Player

Free online video player with screenshot capture, subtitle support (SRT/VTT), HLS streaming, and video download with burned-in subtitles. Play MP4, WebM, MOV, AVI, MKV directly in browser. No upload, 100% private.

Video Tools

Video to Audio Converter

Extract audio from video files online for free. Convert MP4, WebM, MOV to MP3, WAV, AAC, FLAC, OGG. No upload, 100% private, process in browser.

Video Tools

Color Converter

Convert colors between HEX, RGB, HSL, HSV, CMYK formats. Free online color picker, palette generator, contrast checker, and gradient builder. No signup required.

Color Tools

Unit Converter

Free online unit converter for length, weight, temperature, volume, and area. Convert between metric and imperial units instantly. No registration, 100% private, works in your browser.

Unit Converters

Hash Generator

Free online hash generator. Generate MD5, SHA-1, SHA-256, SHA-512 hashes instantly. 100% browser-based, no upload. Verify file integrity securely.

Crypto Tools

JWT Decoder

Free online JWT decoder to parse and decode JSON Web Tokens instantly. View header, payload, signature, and check expiration. 100% browser-based, secure, no data upload.

Crypto Tools

Password Generator

Free online password generator. Create strong, secure, random passwords instantly. Customizable length, characters, and options. 100% private, no data stored.

Crypto Tools

What is My IP Address

Instantly check your IPv4 and IPv6 addresses with our free IP detector. View location, ISP, network details, and verify VPN connection. No signup required, 100% private.

Network Tools