Remove Duplicate Lines
Remove repeated lines while preserving their original order.
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Sort Lines
Sort text alphabetically or numerically in either direction.
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See added, removed, changed, and unchanged lines.
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Clean, normalize, preview, and export CSV data.
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Count words, characters, lines, paragraphs, and sentences live.
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Rank repeated words by count and percentage.
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Beautify, minify, and validate JSON with useful errors.
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Encode or decode Base64 with correct UTF-8 support.
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Inspect JWT header, payload, and common time claims.
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Generate secure UUID v4 or time-ordered UUID v7 values.
Open toolSQL Formatter
Format SQL for PostgreSQL, SQL Server, MySQL, and SQLite.
Open toolXML Formatter / Validator
Format XML and report syntax errors with line details.
Open toolHTML Formatter / Minifier
Make HTML readable or create conservative compact markup.
Open toolCSS Formatter / Minifier
Format CSS consistently or optimize it for delivery.
Open toolJPG → WebP
Convert JPG images to smaller WebP files locally.
Open toolImage Resize
Resize images by dimensions or percentage with aspect lock.
Open toolImage Compress
Compress JPG, PNG, or WebP and compare before and after.
Open toolCSV → JSON
Parse CSV files into pretty or minified JSON.
Open toolMerge CSV Files
Combine compatible CSV files into one ordered table.
Open toolCSV Deduplicate by Columns
Remove repeated CSV rows using selected key columns.
Open toolSplit CSV by Row Count
Create numbered CSV batches with a chosen row limit.
Open toolMerge PDF
Combine several PDFs in a chosen order without uploading them.
Open toolSplit PDF
Extract pages or split ranges into separate PDF files.
Open toolOrganize PDF
Reorder, rotate, and remove PDF pages visually.
Open toolImages to PDF
Turn ordered JPG or PNG images into one PDF.
Open toolPDF to Images
Render PDF pages as PNG or JPG and download a ZIP.
Open toolCountdown Timer
Set a duration and follow a large countdown with a gentle final chime.
Open toolPassword Generator
Create secure passwords with configurable character sets.
Open toolQR Code Generator
Create QR codes for text, URLs, email, phone, or Wi-Fi.
Open toolRandom Data Generator
Build custom mock records and export JSON or CSV.
Open toolBrowse
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Practical guides
How to clean a CSV before importing it into another system
A repeatable checklist for delimiters, headers, whitespace, duplicate rows, missing values, and safe CSV validation before an import.
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Learn what a JSON Web Token contains, how to inspect its claims locally, and why readable payloads do not prove authenticity or authorization.
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