Converters
Convert anything to anything — units, currencies, number systems, file formats.
Archive Converters
Create and extract ZIP archives entirely in your browser.
Code Converters
Convert between code formats: HTML↔JSX, JSON↔TS/Go, cURL→fetch, SQL→JSON, query strings.
JSON to Go Struct Converter
Generate Go structs (with JSON tags) from any JSON sample. Nested objects become nested types.
cURL to Fetch Converter
Convert curl commands to JavaScript fetch() code. Handles -X, -H, -d, -u, Authorization, JSON bodies.
SQL INSERT to JSON Converter
Convert SQL INSERT INTO … VALUES (…) statements to a JSON array of rows. Supports NULL, booleans, numbers, quoted strings.
Query String to JSON Converter
Convert a URL query string to JSON. Handles repeated keys (arrays) and PHP-style bracket nesting like filters[year]=2026.
HTML to JSX Converter
Convert HTML to JSX. Renames class → className, for → htmlFor, kebab-case SVG attrs to camelCase, inline styles to object form.
JSON to TypeScript Interface Converter
Generate TypeScript interfaces from any JSON sample. Nested objects become nested interfaces; arrays become typed unions.
Currency Converters
Live FX rates and conversions.
Data Converters
Convert between JSON, XML, CSV, TSV, YAML, Markdown tables.
CSV to TSV Converter
Convert CSV to TSV. Tabs avoid CSV's comma-escaping pain and copy-paste cleanly into spreadsheets.
CSV to Markdown Table Converter
Convert CSV to a properly-aligned Markdown table. Great for GitHub READMEs, docs, and Notion pages.
JSON to Markdown Table Converter
Convert a JSON array of objects to a Markdown table. Union of keys becomes the header row.
JSON to XML Converter
Convert JSON to XML in your browser. Object keys become tag names; arrays become repeated tags.
XML to JSON Converter
Convert XML to JSON in your browser. Repeated tags become arrays; text content auto-coerces numbers and booleans.
TSV to CSV Converter
Convert tab-separated values to comma-separated values. Handles quoting and embedded commas/newlines correctly.
Excel Converters
Convert between .xlsx, CSV, JSON, and HTML — all in your browser.
CSV to Excel Converter
Build a .xlsx workbook from CSV data. Handles quoted fields, embedded commas/newlines. Browser-only.
JSON to Excel Converter
Convert a JSON array of objects into a .xlsx workbook. Object keys become column headers. Browser-only.
Excel to CSV Converter
Convert .xlsx (or .xls / .ods) workbooks to clean CSV. Pick which sheet to export. Browser-only.
Excel to JSON Converter
Convert an Excel workbook into a JSON array of row-objects. First row becomes the keys. Browser-only.
Excel to HTML Table Converter
Convert a sheet to a styled HTML table. Live preview, copy or download as .html. Browser-only.
File Security
Encrypt, decrypt, hash, and password-protect files entirely in your browser.
File Encrypter
Encrypt any file with a password using AES-256-GCM. Browser-only — files never upload. Output is a .enc file readable only with the same password.
Text Encrypter
Encrypt any text with a password. Output is a base64 string safe for email, SMS, or chat. AES-256-GCM, browser-only.
Text Decrypter
Decrypt base64 ciphertext produced by our Text Encrypter using its password. AES-256-GCM, browser-only.
File Hash Generator
Compute SHA-1, SHA-256, SHA-384, SHA-512 of any file. Verify downloads, dedupe files, check integrity. Browser-only.
Password-Protect a ZIP
Build an AES-256 password-protected ZIP from any files. Compatible with WinRAR, 7-Zip, and macOS Archive Utility.
Remove ZIP Password
Unlock a password-protected ZIP using its password and repack it without encryption. Browser-only.
File Decrypter
Decrypt a .enc file produced by our File Encrypter using its password. Runs in your browser, AES-256-GCM.
Image Converters
Convert between PNG, JPG, WebP, AVIF, BMP, GIF, ICO — all in your browser.
BMP to JPG Converter
Convert BMP bitmaps to JPG for huge file-size savings on photos.
AVIF to JPG Converter
Convert AVIF images to JPG. Useful when sharing with apps that don't support AVIF yet.
JPG to PNG Converter
Convert JPG to PNG losslessly in your browser. Useful for editing, printing, or further re-encoding without quality loss.
PNG to JPG Converter
Convert PNG images to JPG (JPEG) in your browser. Adjustable quality, transparency flattened to white.
PNG to WebP Converter
Convert PNG to WebP. WebP is 25–35% smaller than PNG at the same visual quality and supports transparency.
JPG to WebP Converter
Convert JPG to WebP. Typically 25–35% smaller at the same visual quality.
WebP to PNG Converter
Convert WebP images to PNG. Useful for tools and editors that don't accept WebP yet.
WebP to JPG Converter
Convert WebP to JPG. Transparency is flattened to white. Useful when you need a JPG specifically.
BMP to PNG Converter
Convert old Windows Bitmap (.bmp) files to PNG. PNG is 5–10× smaller and supported everywhere.
GIF to PNG Converter
Extract the first frame of a GIF as a PNG. PNG handles modern color depth properly.
GIF to JPG Converter
Extract the first frame of a GIF as a JPG.
ICO to PNG Converter
Convert Windows ICO favicon files to PNG for editing.
AVIF to PNG Converter
Convert AVIF to lossless PNG with full transparency support.
PNG to AVIF Converter
Convert PNG to AVIF for ~50% smaller files at the same visual quality. Modern browsers only.
JPG to AVIF Converter
Convert JPG to AVIF for smaller files at the same visual quality.
Markdown Converters
Markdown ↔ HTML round-trip plus Markdown → plain text. Runs in your browser.
HTML to Markdown Converter
Convert HTML to clean Markdown. Powered by Turndown — preserves headings, lists, code blocks, links, blockquotes.
Markdown to Plain Text Converter
Strip all Markdown formatting and get clean plain text. Useful for word counts, exports, accessibility.
Markdown to HTML & HTML to Markdown
Round-trip Markdown ↔ HTML converter with live preview. CommonMark + GFM via marked; clean MD output via Turndown.
Number Converters
Binary, hex, octal, ASCII.
PDF Converters
Convert PDFs to text, Markdown, HTML; extract pages — all in your browser.
PDF to Text Converter
Extract all text from a PDF into plain UTF-8 text. Page-separated, ready for paste anywhere. Browser-only.
PDF to Markdown Converter
Extract PDF content as Markdown with per-page headings. Good first draft for re-publishing on a blog or docs site.
PDF to HTML Converter
Extract PDF content as semantic HTML with one <article> per page. Clean enough to embed in a webpage.
PDF Page Extractor
Pull specific pages out of a PDF into a new PDF. Range syntax like 1-3, 5, 7-9. Lossless — no re-encoding.
Subtitle Converters
Convert between SRT, VTT (WebVTT) and SBV (YouTube) caption formats.
SRT to VTT Converter
Convert SRT subtitles to WebVTT for HTML5 video players. Fixes the comma-vs-dot millisecond separator and adds the WEBVTT header.
VTT to SRT Converter
Convert WebVTT captions to SRT. Most video editors and DVD/Blu-ray tools still expect SRT.
SBV to SRT Converter
Convert YouTube SBV captions to SRT for use in video editors.
SRT to SBV Converter
Convert SRT subtitles to YouTube SBV format.
VTT to SBV Converter
Convert WebVTT to YouTube SBV format.
SBV to VTT Converter
Convert YouTube SBV captions to WebVTT for HTML5 video players.
Unit Converters
Length, weight, temperature and more.