Free online tools for everyday work
54 free tools for text, CSV, images, PDF and more. Most run entirely in your browser.
Favorites
Text
Character Counter
Counts characters and lines in your text as you type
Find and Replace Text
Search your text and replace or delete every match
Text Diff Checker
Compare two texts and highlight every difference
Remove Duplicate Lines
Make every line unique and sort the result
Case Converter
Convert text between camelCase, snake_case and more
Line Break Converter
Convert line breaks between CRLF and LF
Markdown Editor
Write Markdown and see the preview update live
Encoding and conversion
Base64 Encode and Decode
Convert text to and from Base64 as you type
URL Encode and Decode
Encode or decode text for URLs and query strings
HTML Entity Encode and Decode
Convert characters to and from HTML entities
Strip HTML Tags
Remove HTML tags and keep just the text
MD5 and SHA Hash Generator
Calculate MD5, SHA and other hashes at once
Number Base Converter
Convert a number between binary, octal, decimal and hex
Unix Timestamp Converter
Convert between a Unix timestamp and a date
URL Parser & Query String Splitter
Break a URL into its parts and list every query parameter
Developer tools
JSON Formatter and Validator
Format, validate, and minify JSON, with inline error messages
YAML and JSON Converter
Convert YAML to JSON or JSON to YAML, both ways
Regex Tester (JavaScript)
Highlight matches, inspect groups, and preview replacements
UUID Generator (v4 and v7)
Generate UUID v4 or v7 in bulk, and verify existing values
SQL Formatter
Turn one-line SQL into readable, indented statements
Cron Expression Generator
See what a cron expression means and its next run times
Network
CSV and data
CSV Editor
Open, edit, and save a CSV as a spreadsheet, in your browser
CSV Duplicate Row Remover
Remove or extract rows that repeat across chosen columns
CSV Diff Checker
Compare two CSVs side by side and highlight what changed
CSV Join and Merge Tool
Stack two CSVs, or join them on a shared key column
CSV and Excel Converter
Convert CSV to xlsx, or an Excel sheet to CSV
JSON and CSV Converter
Convert an array of objects to CSV, or CSV to JSON
Maps and coordinates
Images
Bulk Image Resizer
Resize multiple images by width, height, or percentage
Image Format Converter
Convert JPG, PNG, and WebP images to each other
Image Compressor
Reduce JPG and WebP file size by adjusting image quality
Image Cropper
Crop part of an image, with optional fixed ratios
Blur & Pixelate Tool
Drag to blur, pixelate, or black out part of an image
Image Color Picker
Pick a color from an image and get its HEX or RGB code
Merge PDF Files
Combine multiple PDF files into one, in any order
Split PDF Files
Split a PDF by page range or into equal page groups
PDF Page Organizer
Delete, reorder, or rotate PDF pages using thumbnails
Add Page Numbers to PDF
Add page numbers to a PDF with your choice of style
PDF to Image Converter
Convert each page of a PDF into a PNG or JPG image
Image to PDF Converter
Combine multiple images into a single PDF file
Date and time
Calculators and unit conversion
Percentage Calculator
Calculate percentages, percent of a number, and percent change
Unit Converter
Convert length, mass, area, volume, temperature, data size
Aspect Ratio Calculator
Calculate an aspect ratio, or a missing width or height
Color Code Converter
Convert colors between HEX, RGB, and HSL instantly
QR codes, passwords and draws
About these tools
All tools are free and need no sign-up. Most of them run in your browser, so what you enter is not sent to our server.