All Tools
Browse all 87 free online tools. Everything runs locally in your browser.
File & Document Tools
PDF Merger
Combine multiple PDF files into a single document. All processing is done locally.
PDF Splitter
Split a PDF into individual pages or extract specific page ranges.
PDF Compressor
Reduce PDF file size using object stream compression. Free and local.
PDF Rotator
Rotate PDF pages by 90, 180, or 270 degrees. Apply to all or specific pages.
PDF Extract Pages
Extract specific pages from a PDF document to create a new file.
PDF Add Page Numbers
Add page numbers to your PDF documents with customizable position.
PDF to Image
Extract PDF pages as individual files for preview or sharing.
CSV to JSON
Convert CSV data to JSON format with automatic header detection.
JSON to CSV
Convert JSON arrays to CSV format. Perfect for data export.
XML Formatter
Format, minify, and validate XML data with indentation support.
CSV Viewer
View CSV data in a formatted table. Supports large datasets.
EPUB to TXT
Extract text content from EPUB ebooks. Simple and free.
File Size Converter
Convert between bytes, KB, MB, GB, TB, and PB instantly.
Document Metadata Viewer
View file metadata including size, type, and modification date.
File Chunker
Split large files into smaller chunks of specified size.
Text File Merger
Merge multiple text files into one with custom separators.
File Encoding Converter
Convert text between UTF-8, UTF-16, ISO-8859-1, and Windows-1252.
File Format Identifier
Identify file format using magic bytes detection and MIME type analysis.
Image Tools
Image Compressor
Compress images with quality and size controls. All local.
Image Format Converter
Convert between JPEG, PNG, WebP, and BMP formats.
Image Cropper
Crop images by specifying x, y, width, and height.
Image Rotate/Flip
Rotate images by any angle and flip horizontally or vertically.
Image Watermark
Add text watermarks to your images. Simple and free.
Color Picker
Pick any color and get its HEX, RGB, and HSL values.
Image Info Viewer
View image metadata including dimensions, size, and type.
Grid Image Splitter
Split an image into a grid of smaller tiles.
Image Base64 Encoder
Convert images to Base64 data URLs for embedding.
Image Merger
Merge multiple images horizontally or vertically.
QR Code Decoder
Upload a QR code image to inspect and decode it.
Solid Wallpaper Generator
Generate solid color wallpapers in any resolution.
Image Round Corners & Border
Add rounded corners and borders to your images.
Image Grayscale
Convert images to grayscale with pixel-level precision.
Image Batch Resizer
Resize multiple images in batch with aspect ratio control.
Text & Formatting Tools
Word Counter
Count words, characters, sentences, and paragraphs.
Case Converter
Convert text between UPPER, lower, Title, camelCase and more.
Markdown to HTML
Convert Markdown to HTML with live preview.
HTML Entity Encoder/Decoder
Encode or decode HTML entities like < > &.
Text Dedupe
Remove duplicate lines from text with case sensitivity options.
Text Sorter
Sort lines alphabetically ascending or descending.
URL Encoder/Decoder
URL-encode or decode text with encodeURIComponent.
SQL Formatter
Format SQL queries with proper indentation.
Text Diff Checker
Compare two texts line by line.
Regex Tester
Test regular expressions with match highlighting.
Lorem Ipsum Generator
Generate placeholder text by paragraphs, sentences, or words.
Calculators
BMI Calculator
Calculate your Body Mass Index.
Mortgage Calculator
Calculate monthly mortgage payments.
Compound Interest Calculator
Calculate compound interest growth.
Tip Calculator
Calculate tips and split bills.
Time Difference Calculator
Calculate difference between two dates.
Age Calculator
Calculate your exact age.
Percentage Calculator
Calculate percentages and ratios.
GPA Calculator
Calculate GPA on a 4.0 scale.
Ovulation Calculator
Estimate ovulation date.
Fuel Cost Calculator
Calculate trip fuel costs.
Discount Calculator
Calculate prices after discount.
ROI Calculator
Calculate Return on Investment.
Calorie Calculator
Estimate daily calorie needs.
Average Calculator
Calculate mean, median, sum.
Fraction Calculator
Fraction operations with GCD.
Password Entropy Calculator
Estimate password strength.
Unit Converters
Developer Tools
JSON Formatter
Format, validate, and beautify JSON data in your browser.
Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa.
Base64 Encoder/Decoder
Encode or decode text to/from Base64 format instantly.
Hash Generator
Generate MD5, SHA hashes.
UUID Generator
Generate random UUIDs.
JWT Decoder
Decode JWT tokens.
Color Converter
Convert HEX, RGB, HSL, CMYK.
Code Line Counter
Count lines of code.
HTML Previewer
Live HTML preview.
Browser Info
View browser details.
Cron Parser
Parse cron expressions.
Number Base Converter
Binary, octal, decimal, hex.