OneBox.Tools

Extract heading tags (h1-h6) and metadata from web pages, supports batch processing of multiple URLs

Generate meta tags for your website

Check and preview OGP tags

Simulate OGP image display on different platforms and devices

Get keyword suggestions from search engines

Generate robots.txt file for your website to control search engine crawlers

Generate XML sitemap for your website

Convert text to natural-sounding speech using Kokoro TTS model

Count characters, words, sentences and analyze text statistics

Convert text between different cases: uppercase, lowercase, title case, sentence case, etc.

Compare two texts and highlight the differences between them

Convert text between full-width and half-width characters

Encrypt and decrypt text using various algorithms

Test and debug regular expressions with real-time matching

Convert Chinese characters to pinyin with tone marks, numbers or no tones

Count English words in text

Remove duplicate lines from text while preserving order

Sort text lines alphabetically or numerically

A powerful CSV/TSV file editor with syntax highlighting and formatting features

Format and validate JSON data

Format and beautify SQL queries with syntax highlighting

Format and beautify HTML code with syntax highlighting

Format and beautify XML code with syntax highlighting

Minify JavaScript code to reduce file size

Minify JSON code to reduce file size

Compress image files while maintaining quality

Resize images while maintaining quality

Convert images between different formats

Remove EXIF metadata from your images

Extract colors from images

Generate QR codes with custom colors and error correction levels

Extract text from images and PDF files using OCR technology

Generate icons in various sizes for your apps and websites

Encode text to Base64 or decode Base64 to text

Encode or decode URLs and URL components

Decode and verify JWT (JSON Web Token) tokens

Convert text to Unicode and vice versa

Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes from text

Convert domain names between Unicode and Punycode ASCII encoding

Convert between different units of measurement

Calculate date differences and perform date arithmetic

Convert time between different timezones easily

A random lottery tool for drawing winners from a list of participants.

Generate random UUIDs (v4)

Generate Universally Unique Lexicographically Sortable Identifiers (ULIDs)

Generate secure random passwords with customizable options

Generate and validate cron expressions with an intuitive interface

Check and analyze HTTP headers of any website

Check SSL/TLS certificate details and security status

Look up detailed domain registration information

Query DNS records for any domain name

Scan network ports to check their status

Merge multiple PDF files into one

Split PDF files into multiple documents

Convert PDF files to text or markdown format

Convert between Excel, CSV, and other spreadsheet formats

Convert Markdown files to PDF format (Currently only supports English)

Create beautiful CSS gradients with a visual editor

Extract and download video thumbnails from YouTube and other platforms

Generate or verify Bcrypt password hashes

ROT47 encoder/decoder - A character substitution cipher that extends ROT13 to a larger set of ASCII characters

ROT13 encoder/decoder - A simple letter substitution cipher that replaces a letter with the 13th letter after it in the alphabet

Calculate CRC16 and CRC32 checksums for your data

Convert between JSON and YAML formats

Convert between JSON and XML formats

Convert between JSON and CSV formats easily

Convert between YAML and XML formats online

Convert between JSON and TOML formats

Convert between YAML and TOML formats online

Convert INI format to JSON and vice versa

Convert between Properties and JSON formats

Convert JSON to HTML Table and vice versa

Convert JSON to Markdown table/list and vice versa

Convert between Protocol Buffers and JSON format

Convert between Avro schema and JSON data formats

Convert between Thrift IDL and JSON schema

Convert Excel files to JSON format and vice versa

Convert between SQL and JSON formats

Convert between SQL and CSV formats

Convert SQL to YAML and vice versa

Convert OPML to JSON and vice versa

Convert between binary and text formats

Convert TSV (Tab-Separated Values) to JSON format and vice versa

Convert TSV (Tab-Separated Values) to CSV (Comma-Separated Values) format and vice versa

Convert TSV (Tab-Separated Values) to YAML format and vice versa

Convert TSV (Tab-Separated Values) to XML format and vice versa

Convert between binary and Base64 formats

Convert between binary and hexadecimal numbers

Convert binary numbers to decimal and vice versa

Convert binary numbers to octal and vice versa

Convert numbers between hexadecimal and decimal formats

Convert numbers between hexadecimal and octal formats

Convert between hexadecimal and text strings

Convert between hexadecimal and Base64 strings

Convert numbers between octal (base-8) and decimal (base-10) number systems

Convert between octal numbers and text (ASCII characters)

Convert between octal numbers and Base64 encoding

Convert between ASCII codes and text

Convert between Unicode and plain text

Convert text between UTF8 and ASCII encoding

Convert text between UTF8 and hexadecimal format

Convert text between Base32 and plain text format

Convert text between Base58 and plain text format

Convert image files to Base64 string format

Convert text to Morse code and vice versa

Encrypt and decrypt text using XOR cipher

Encrypt and decrypt text using DES algorithm

Encrypt and decrypt text using AES algorithm

Generate NTLM hash from text. NTLM (NT LAN Manager) is a suite of Microsoft security protocols that provides authentication, integrity, and confidentiality to users.

Convert text to/from ASCII85 encoding. ASCII85 is a binary-to-text encoding scheme that uses 85 printable ASCII characters to represent binary data.

Convert between HTML and Markdown formats

Convert text to UTF16 encoding and decode UTF16 back to text

Convert text to/from UUEncode format

Generate and verify Scrypt password hashes with customizable parameters