RTCD.io
CommandDialog
Rapid Tools for Creators and Developers
Supercharge your workflow with free, powerful, and intuitive online tools for coding, designing, and operations, perfectly tailored for developers, designers, and IT professionals.
Tool Categories
Audio & Video
Audio Pitch Shifter
Free online tool to change audio pitch, adjust music key, and alter tempo or playback speed directly in your browser. No uploads, secure & private.
Audio Key & BPM Finder
Analyzes music and finds Key and BPM for your song. All audio processing is performed entirely on your device, ensuring privacy.
Audio Bass Booster
Adjust your music's bass gain (-20dB to +20dB) instantly with our free online audio bass booster. Enhance low frequencies, visualize waveforms, and prevent distortion privately in your browser.
Audio Volume Changer
Audio Gain Control: Amplify/Reduce MP3/WAV from -20dB to +20dB with 0.1dB precision. Fix low-volume recordings or balance podcast tracks instantly. No uploads, no data leaves your device.
Audio Reverb Processor
Add high-quality reverb to audio online: Choose presets, customize effects & preview instantly. 100% local processing — no uploads, no data leaves your device. Supports MP3/WAV/AAC.
Audio Slowed Reverb
Free online tool to instantly create Slowed Reverb & Nightcore audio. Just adjust speed (0.2-2x) and reverb (0-100%) in your browser with full privacy. No uploads needed.
Audio Reverser
Reverse MP3, WAV, AAC and more instantly in your browser. Create unique sound effects for music, videos, and games. No uploads, all processing happens on your device.
3D Audio Generator
Transform your audio to create immersive spatial sound effects using HRTF. Apply 3D movement, adjust parameters, and export MP3/WAV. All processing is local for your privacy.
Audio Extractor
Converts MP4 to MP3, supports multiple formats and iPhone ringtone M4R. Extract multiple audio tracks from videos up to 4GB. Process securely in your browser, no uploads required.
Metronome
Free professional metronome with 30-400 BPM, tap tempo detection, subdivisions & custom beat accents. Perfect for musicians, dancers & practice sessions.
Image Processing
Image Cropper
Trim images to your desired size and aspect ratio, rotate them, and flip horizontally or vertically for perfect customization.
Image Resizer
Quickly resize your images, adjust dimensions and file size with ease for perfect fits across all platforms and uses.
Image Splitter
Divide images into pieces vertically, horizontally, or in a grid. Easily split images into a matrix or tiles by specifying the number of rows and columns.
Image Filters
Free online tool to apply pre-set stunning filters and transformations to your photos, including monochrome effects, sharpening and blurring, color manipulations, and more to enhance creativity.
Image Adjustment
Adjust images by fine-tuning brightness, contrast, hue, saturation, and others, offering enhanced control for optimized, tailored results based on your specific image needs.
Image to Base64 Converter
Convert images to Base64 with multi-format support. Outputs include Base64, DataURI, HTML tags, links, CSS backgrounds, and HTML favicons.
Image BlurHash Generator
Generate BlurHashes from images or display blurred images from provided hashes. Perfect for quick image previews and placeholders.
Crypto
Encrypt / Decrypt Text
Encrypt clear text or Decrypt ciphertext using symmetric encryption algorithms like AES, TripleDES, DES, Rabbit or RC4.
Text Hash Generator
Hash a text string using the function you need: MD5, SHA1, SHA256, SHA224, SHA512, SHA384, SHA3, or RIPEMD160
Text Hash Validator
Validate a text string against given hash by MD5, SHA1, SHA256, SHA224, SHA512, SHA384, SHA3, or RIPEMD160
HMAC Generator
Computes a hash-based message authentication code (HMAC) using a secret key and your favorite hashing function.
HMAC Validator
Validates a text message against a given hash-based message authentication code (HMAC) using a secret key and your favorite hashing function.
Bcrypt Generator
Hash and compare text string using bcrypt. Bcrypt is a secure and widely used password-hashing function designed to resist brute-force attacks.
Bcrypt Validator
Validate text string against hash using bcrypt. Bcrypt is a secure and widely used password-hashing function designed to resist brute-force attacks.
Password Generator
Generate secure random passwords and tokens with your chosen mix of uppercase/lowercase letters, numbers, and symbols.
Password Strength Analyzer
Check the strength of your passwords or tokens securely with client-side analysis - your data stays private and safe.
RSA Key Pair Generator
Generate RSA key pairs (PEM format) with key length up to 4096 bit. All operations are in your browser, your private key never leaves your device.
RSA Public Key Recovery
Recover your lost RSA public key instantly. Securely generate the PEM-formatted public key from your private key, all within your browser for safety.
Encodings
URL Encoder / Decoder
Converts special characters in a URL into a format that can be safely transmitted over the internet, encoding non-alphanumeric characters as percent-encoded values and decoding them back.
HTML Escape / Unescape
Escapes or unescapes an HTML file removing traces of offending characters that could be wrongfully interpreted as markup.
Base64 Encoder / Decoder
Encode text data to Base64/Base64URL or decode back to original form, ideal for URL params, data transmission, and complex JSON/XML payloads with UTF-8 support.
Base32 Encoder / Decoder
Encode text into Base32 format or decode back to original form, ideal for case-insensitive encoding, and secure data transmission requiring human-readable formats.
Base62 Encoder / Decoder
Encode integer IDs into Base62 format or decode back to original values, ideal for URL shortening, and systems requiring alphanumeric character sets.
QRCode Generator
Generate custom QR codes for URLs, Identifiers, Tokens, SMS, WiFi and more, with selectable error resistance and adjustable foreground and background colors.
Hex Encoder / Decoder
Encode a string using Hex encoding, and decode it into original string.
Slugify Text
Converts a given text into a URL-friendly format by removing special characters and spaces, replacing them with hyphens.
Converters
Integer Base Converter
Convert numbers between different bases, including decimal, binary, ternary, octal, hexadecimal, and base62.
Text Case Converter
Convert text between different casing styles, including uppercase, lowercase, camelCase, snake_case, and more.
XML to JSON Converter
Transforms XML documents into JSON format, enabling data interchange between systems that use different data formats.
JSON to XML Converter
Transforms JSON documents into XML format, enabling data interchange between systems that use different data formats.
YAML to JSON Converter
Transforms YAML documents into JSON format, for seamless integration in APIs, configuration files, and data exchange workflows.
JSON to YAML Converter
Transforms JSON documents into YAML format, for seamless integration in APIs, configuration files, and data exchange workflows.
TOML to JSON Converter
Transforms TOML documents into JSON format, for seamless integration in APIs, configuration files, and data exchange workflows.
JSON to TOML Converter
Transforms JSON documents into TOML format, for seamless integration in APIs, configuration files, and data exchange workflows.
Properties to YAML Converter
Converts Properties files to YAML, streamlining configuration management for developers and system administrators, with UTF-8 encoding support for broader compatibility.
YAML to Properties Converter
Converts YAML to Properties files, simplifying configuration management for developers and system administrators, with Latin1 encoding support for compatibility.
Epoch Converter
Convert Unix timestamp (seconds elapsed since Jan 1, 1970), to human-readable dates and vice versa, simplifying time-based calculations and comparisons.
Formatters
HTML Formatter
Formats a HTML string/file with your desired indentation level, or minify your HTML.
CSS Formatter
Pretty print your CSS into a friendly, human-readable format, or minify your CSS.
JavaScript Formatter
Pretty print your Javascript code into a friendly, human-readable format, or minify your code.
JSON Formatter
Pretty print your JSON string into a friendly, human-readable format, or minify your JSON by removing all whitespaces.
XML Formatter
Prettify your XML string into a friendly, human-readable format, and minify your XML.
SQL Formatter
Beautify and minify your SQL queries online, with support for various SQL dialects.