Converters
Format conversion utilities for URL, Base64, CSV, etc.
Category overview
Converter tools handle common format shifts such as URL encoding, Base64, CSV, JSON, YAML, colors, and file sizes. They are designed to make before-and-after structure visible so copy errors, missing fields, and encoding problems are easier to catch.
The public list starts with formats used often in development, documentation, and data cleanup. For sensitive data or production files, review the converted result in a separate environment before using it.
Currently showing 43 reviewed tools, including URL Encode / Decode, Base64 Converter, HTML Escape / Unescape, Color Code Converter, File Size Converter.
Converters List
- URL Encode / Decode - Encode text into URL-safe form (%XX) or decode an encoded URL back to text.
- Base64 Converter - Encode text to Base64 or decode a Base64 string back to text.
- HTML Escape / Unescape - Convert HTML special characters to entities, and restore entity strings back to characters.
- Color Code Converter - Convert HEX, RGB, RGBA, HSL, HSLA color codes to each other and preview the color.
- File Size Converter - Convert Byte, KB, MB, GB, TB file size units on a 1000 or 1024 basis.
- YAML ↔ JSON Converter - Convert YAML and JSON data bidirectionally in the browser.
- Markdown → HTML Converter - Convert a Markdown document to HTML with a rendered preview.
- CSV ↔ JSON Converter - Convert CSV and JSON array data bidirectionally.
- CSV ↔ Markdown Table Converter - Convert CSV data into a Markdown table, or a Markdown table back into CSV.
- Image to PDF Converter - Convert JPG/PNG/WebP images into a PDF.
- PDF to Image Converter - Convert PDF pages into PNG/JPG images.
- PDF Merge - Combine multiple PDF files into one document in the selected order.
- PDF Split - Split a PDF by page into individual files for each page.
- PDF Page Extractor - Select only the pages you want and save them as a new PDF.
- PDF Page Remover - Make a new PDF from the remaining pages after excluding selected ones.
- PDF Page Rotator - Rotate wrongly oriented PDF pages by 90, 180, or 270 degrees.
- TSV ↔ CSV Converter - Convert tab-separated data (TSV) and comma-separated CSV to each other.
- JSON Flatten Converter - Flatten nested JSON into a flat key-value structure.
- JSON Schema Generator - Generate a JSON Schema draft from a JSON sample.
- TOML ↔ JSON Converter - Convert TOML config and JSON data bidirectionally in the browser.
- INI ↔ JSON Converter - Convert INI config files and JSON data to each other.
- Excel Paste → Markdown - Convert table-form text into a Markdown table.
- Markdown Table → HTML - Convert a Markdown table into an HTML table.
- CSS Unit Converter - Convert px, rem, em, %, vw, and vh.
- Query String ↔ JSON Converter - Convert URL query strings and JSON objects bidirectionally.
- JSON ↔ TypeScript Type Converter - Convert between JSON samples and TypeScript type declarations to draft types and sample JSON.
- HTML → JSX Converter - Convert HTML markup into the attribute names and style format used in React JSX.
- px ↔ rem Converter - Convert px and rem values bidirectionally based on a root font size.
- Date Format Converter - Convert date and time into YYYY-MM-DD, ISO 8601, UTC, and Unix timestamp formats.
- Unicode Converter - Convert a character to its Unicode code point (U+XXXX), or a code point to a character.
- ASCII Code Converter - Convert between characters and ASCII codes (decimal/hex/binary).
- Number Base Converter - Convert between binary, octal, decimal, and hexadecimal.
- Roman Numeral Converter - Convert between Arabic numbers and Roman numerals (I, V, X, L, C, D, M).
- Hash Generator - Convert text into SHA-1, SHA-256, SHA-384, and SHA-512 hashes.
- Caesar Cipher - Encrypt and decrypt text with a Caesar cipher that shifts letters by a set amount.
- HTML → Text Extractor - Remove HTML tags and cleanly extract only the body text.
- HTML → Markdown Converter - Convert HTML markup to Markdown syntax — headings, lists, tables, and code blocks.
- CSV → SQL INSERT Generator - Convert CSV data into SQL INSERT statements ready to load into a table.
- XML ↔ JSON Converter - Convert XML and JSON data bidirectionally, preserving attributes and text.
- Markdown → Plain Text Converter - Remove Markdown syntax symbols and leave only pure plain text.
- SVG Data URI Converter - Convert SVG code into a Data URI usable directly in CSS and HTML.
- Subtitle Converter - Convert subtitles between SRT, WebVTT, SMI (SAMI) and plain text, with optional time shifting.
- IEEE 754 Floating Point Converter - Break a decimal number into 32-bit and 64-bit IEEE 754, and decode hex/binary bit patterns back into numbers.