Free Online Tools

A growing collection of free developer tools for text manipulation, data formatting, and everyday tasks. All tools run in your browser - no data is sent to servers.

Showing 12 tools

Alphabetizer

Sort lists alphabetically with custom options for articles, capitalization, and duplicates

Sort Numbers Soon

Sort numerical lists in ascending or descending order

Remove Duplicates Soon

Clean up lists by removing duplicate entries while preserving order

Randomize List Soon

Shuffle list items into random order for selections, games, or testing

Count Words Soon

Count words, characters, sentences, and paragraphs in text

Case Converter Soon

Convert text between uppercase, lowercase, title case, and sentence case

Text Replacer Soon

Find and replace text with support for regex patterns and bulk operations

Lorem Generator Soon

Generate placeholder Lorem Ipsum text for designs and mockups

JSON Formatter Soon

Format, validate, and minify JSON data with syntax highlighting

Base64 Encoder Soon

Encode and decode text and files to/from Base64 format

URL Encoder Soon

Encode and decode URLs and query parameters

Hash Generator Soon

Generate MD5, SHA-1, SHA-256, and other cryptographic hashes

Ad Space 728x90

Quick Stats

Total Tools12
Available Now1
Coming Soon11

Why Use DevDonut Tools?

Our developer tools are designed with privacy, speed, and simplicity in mind. All processing happens entirely in your browser, meaning your data never leaves your computer. No registration, no tracking, no data collection - just pure functionality.

100% Private

All tools run client-side. Your data never leaves your browser or touches our servers.

Lightning Fast

No server round-trips means instant results. Tools load in under 3 seconds on average.

Always Free

No subscriptions, no paywalls, no limits. Use as much as you need, whenever you need.

Popular Use Cases

  • Students: Organize bibliographies, format citations, count words in essays, and sort vocabulary lists for assignments.
  • Developers: Format JSON, encode URLs, generate hashes, and validate data structures during development.
  • Writers: Count words, check character limits, convert text cases, and clean up drafts before publishing.
  • Business Professionals: Sort client lists, clean up spreadsheet data, format reports, and organize inventory.
  • Data Analysts: Transform CSV data, remove duplicates, validate formats, and prepare datasets for analysis.

Coming Soon

We're actively building new tools based on user feedback. Next on our roadmap:

  • Number sorting and statistical analysis
  • Advanced text manipulation (regex find/replace, text diff)
  • Code formatters (JavaScript, Python, CSS, HTML)
  • Image tools (resize, compress, convert formats)
  • Markdown/HTML converters and editors

Have a suggestion? We'd love to hear what tools would make your workflow easier.