All tools

Format, validate, and beautify JSON instantly.

Compress JSON by removing whitespace.

Convert a JSON array into CSV.

Convert CSV rows into a JSON array.

Convert YAML into JSON.

Encode and decode Base64 text (UTF-8 safe).

Encode and decode URL components.

Decode a JWT header and payload.

Generate random v4 UUIDs.

Generate SHA hashes from text.

Convert between Unix time and dates.

Build and read cron schedules.

Strip HTML tags to plain text.

Encode text to HTML entities.

Decode HTML entities to text.

Convert Markdown into HTML.

Convert HTML into Markdown.

Convert text to/from Unicode escapes.

Validate JSON and locate errors.

Explore JSON as a collapsible tree.

Compare two JSON documents.

Convert JSON into XML.

Convert XML into JSON.

Convert JSON into YAML.

Generate TypeScript interfaces from JSON.

Build CSS gradients with a live preview.

Design CSS box-shadow visually.

Generate CSS border-radius visually.

Minify CSS to reduce file size.

Format and indent CSS.

Format and indent JavaScript.

Format and indent HTML.

Format and indent SQL queries.

Minify SQL into one line.

Preview HTML live as you type.

Generate JSON Schema from sample JSON.

Escape or unescape JSON strings.

Format and indent XML.

Minify XML to reduce size.

Format and validate YAML.

Generate many UUIDs at once.

Generate HMAC keyed hashes.

Test regex and highlight matches.

Check how strong a password is.

Convert times between time zones.

Reduce PDF file size.

Generate favicon.ico and PNG icons.

Convert PNG/JPG to .ico.

Minify JavaScript to reduce size.

Minify HTML to reduce size.

Convert dates ↔ Unix timestamps.

Generate random numbers in a range.

Generate random strings and tokens.

Compare two code snippets.

Repeat text N times.

View EXIF and image metadata.

Convert images to AVIF.

Convert AVIF images to JPG.

Preview SVG files and code.

Scan barcodes from an image.

Generate many QR codes at once.

Count the lines in text.

Count the sentences in text.

Count the paragraphs in text.

Add line numbers to text.

Count words, characters, and reading time.

Convert text between letter cases.

Remove duplicate lines from text.

Sort lines alphabetically or numerically.

Trim and tidy messy whitespace.

Turn text into clean URL slugs.

Preview Markdown as rendered HTML.

Count characters, words, and lines.

Compare two texts and see changes.

Find and replace text in bulk.

Estimate reading time for text.

Generate placeholder Lorem Ipsum text.

Reverse characters, words, or lines.

Remove or replace line breaks.

Reduce image file size in your browser.

Resize image dimensions in your browser.

Convert images to WebP format.

Convert images to PNG format.

Convert colors between HEX, RGB, and HSL.

Crop and trim images visually.

Convert JPG images to PNG.

Convert PNG images to JPG.

Convert WebP images to JPG.

Convert WebP images to PNG.

Rotate images and save.

Flip images horizontally or vertically.

Add a text watermark to an image.

Remove EXIF metadata from photos.

Encode an image as a Base64 data URI.

Decode Base64 back into an image.

Convert many images at once.

Convert SVG to a PNG image.

Encode SVG as a Base64 data URI.

Pick colors (HEX/RGB) from an image.

Extract a color palette from an image.

Combine multiple PDFs into one file.

Split a PDF by page ranges.

Extract specific pages from a PDF.

Turn images into a PDF document.

Convert PDF pages into JPG images.

Convert PDF pages into PNG images.

Combine PNG images into a PDF.

Rotate PDF pages and save.

Remove pages from a PDF.

Drag to reorder PDF pages.

Add page numbers to a PDF.

Add a text watermark to a PDF.

View a PDF's metadata.

Count the pages in a PDF.

Edit a PDF's title, author, and more.

Crop margins from PDF pages.

Change PDF page size (A4, Letter…).

Flatten PDF form fields.

Extract text from a PDF.

View a PDF's bookmarks/outline.

View CSV files as a clean table.

Convert CSV to tab-separated values.

Convert tab-separated values to CSV.

Convert CSV into a Markdown table.

Convert CSV into an HTML table.

Extract an HTML table to CSV.

Remove duplicate rows from CSV.

Extract specific columns from CSV.

Sort CSV rows by a column.

Split a CSV into smaller files.

Open and view Excel (XLSX) files.

Convert Excel sheets to CSV.

Convert CSV into an Excel file.

Convert Excel sheets to JSON.

Convert a JSON array to Excel.

Split an Excel workbook by sheet.

Merge Excel files into one workbook.

Convert Excel column letters ↔ numbers.

Build Markdown tables visually.

Align and tidy Markdown tables.

Calculate percentages instantly.

Calculate sale price and savings.

Calculate profit margin and markup.

Calculate return on investment.

Find your break-even point.

Add or remove VAT at any rate.

Convert length, weight, temperature.

Convert bytes, KB, MB, GB, TB.

Find the duration between two times.

Count days between two dates.

Calculate width/height for a ratio.

Scan a QR code from an image.

Create a QR code to join Wi-Fi.

Create a contact (vCard) QR code.

Create a QR code that opens an email.

Create a QR code that opens a text message.

Generate barcodes (CODE128, EAN…).

Compute EAN/UPC check digits.

Create QR codes for URLs and text.

Create strong, random passwords.