Text Tools
ASCII Flow Diagram Designer
Draw flowcharts, boxes, arrows, and text using plain text characters (ASCII) directly in your web browser.
Case Converter
Convert text between Uppercase, Lowercase, CamelCase, and more.
Diff & Patch Generator
Compare two texts line-by-line, visualize differences, and download the output as a patch file.
Lorem Ipsum Generator
Generate placeholder text for your designs.
Markdown Editor
Write Markdown and see the preview instantly.
Local OCR
Extract text from images directly in your browser. Your data never leaves your computer. Supports multiple languages.
Search & Replace
Search and replace text online. Supports regular expressions (regex) and case sensitivity.
Text Diff Checker
Compare two text contents and see what changed between them.
Word Counter
Free online word counter and character counter. Count words, characters, sentences, and paragraphs in real-time.
Code & Format
ASCII / HEX Converter
Convert text to hexadecimal and back.
Base64 Encoder / Decoder
Encode and decode text or data to Base64.
BIN HEX DEC OCT Converter
Convert numbers and toggle bits.
CSS Formatter / Beautifier
Format CSS code for better readability or minify it for production.
Font Glyph Inspector
Upload font files (TTF, WOFF, WOFF2) to inspect all contained characters (glyphs), unicode ranges, and metadata client-side.
HTML Encoder / Decoder
Convert special characters to HTML entities and back. Important for web development and security.
JSON Formatter / Minifier
Format or minify JSON data.
Regex Tester
Test your regular expressions (Regex) in real-time. Supports match highlighting.
Syntax Highlighter
Auto-detect and highlight code syntax. Export as SVG or Word.
URL Encoder / Decoder
Safely encode and decode URL parameters.
URL Parser
Parse URLs into their components: Protocol, Host, Path, Query Parameters, and more.
WiFi QR Code Generator
Create QR codes to easily connect guests to your WiFi network.
Image Tools
ASCII Art Generator
Transform images into retro ASCII art.
Aspect Ratio Calculator
Calculates width or height based on an aspect ratio.
Color Picker & Converter
Pick colors and convert between Hex, RGB, HSL, and CMYK.
Exif Data Viewer
View hidden metadata (camera, location, settings) in your images. Everything happens locally in your browser.
HEIC Converter
Convert HEIC/HEIF images easily to JPG or PNG directly in your browser.
Image Batch Processor
Resize, crop, and convert multiple images at once.
Image Compressor
Compress and scale your images (JPEG, PNG, WebP) completely locally in the browser while maintaining quality.
Image to Palette Extractor
Extract a pixel color palette from any image.
Pixel Art Maker
Create simple 16x16 pixel art animations and export them.
QR Code Generator
Quickly create QR Codes for text or links.
Screenshot Tool
Take screenshots of windows, screens, or browser tabs directly online.
Pixel-Art Sprite Animator
Load a pixel art sprite sheet, slice it into frames, and animate it in a customizable loop.
Sprite Sheet Slicer
Slice sprite sheets automatically into individual images. Define rows, columns, or fixed sizes and download everything as a ZIP.
Units & Time
Calendar Week Calculator
Show current calendar week (CW) and convert date to calendar week.
Cron-Job Visualizer
Create Cron jobs interactively and visualize their execution times on a calendar and a clock completely locally.
Date Calculator
Calculate the duration between two dates or add/subtract days from a date.
Pomodoro Timer
A simple retro-style Pomodoro timer for productivity.
Stopwatch
Precise stopwatch with lap times.
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa.
Timezone Planner
Find ideal meeting times and plan global appointments by overlapping multiple timezones.
Security & Passwords
Certificate Checker
Analyze and extract signatures and certificates from executables (.exe, .efi, etc.) or certificate files completely locally.
Hash & File Checksum
Generate hashes from text or calculate file checksums (MD5, SHA256...) directly in your browser.
Password Generator
Generate strong, secure random passwords.
UUID Generator
Generate secure random UUIDs (Version 4). Bulk generation supported.
File Tools
Zip Archive Builder
Create Zip files directly in your browser. Upload files and download the archive. No data leaves your computer.
CSV Viewer & Converter
Open CSV files online, search through them, and convert them to JSON or XML.
File Analyzer
Analyze files locally: View MIME types, size, date, and the first bytes (Hex Header).
Hex File Editor & Analyzer
Upload any file, view its binary content in hex and ASCII grids, and edit bytes directly in your browser.
Log File RegExp Filter
Upload local log files and filter them in real-time using regular expressions or keywords in a color-coded terminal console.
PDF Merger
Merge multiple PDF files into a single file. 100% local in your browser, no uploads.
Random File Generator
Generate random files of any size (up to 2GB) locally in your browser.
Fixed Sample Files
Download deterministic sample files of fixed sizes (1KB to 1GB).
Web & Dev
Chmod Calculator
Easily calculate Linux file permissions (chmod) in numeric and symbolic formats.
Device Info
Displays detailed information about your current device, browser, screen, and more.
DNS-over-HTTPS Lookup
Query DNS records (A, AAAA, MX, TXT, etc.) securely over HTTPS directly from your browser.
Flexbox Playground
Interactive guide to CSS Flexbox properties.
JWT Decoder
Decode JSON Web Tokens (JWT) locally to view header, payload, and signature.
Keycode Info
Shows information about pressed keys.
Meta Tag Generator
Generate HTML SEO meta tags for your website.
Subnet & CIDR Calculator
Calculate network boundaries, IP address ranges, netmasks, and usable hosts completely locally in your browser.
Video
Screen Recorder
Record your screen, windows, or browser tabs. No download required.
Video Player
Play video files or URLs. Features: Volume boost, playback speed, screenshot and more.
Video-to-GIF Converter
Convert short videos (MP4, WebM) client-side directly in the browser into animated GIFs with customizable FPS and resolution.
Webcam Recorder
Online camera tool: Take photos and record videos directly via your webcam.
Audio
Audio Trimmer
Trim audio files easily in your browser. Visualize the waveform and export the selection as WAV.
Metronome
A precise metronome with different time signatures and visual display.
MIDI Viewer
Read MIDI signals from your connected input device/keyboard in real-time.
Morse Code Audio Translator
Translate text to Morse code, play the audio signals, and visualize them with a flashing signal lamp.
Signal Generator
Generate various test tones and frequencies (Sine, Square, Noise).
