Free String Tools
Free online string tools for text manipulation. Reverse text, convert case, count words — all in your browser.
Available Tools
Need More Text Tools?
Check out our text tools or ASCII tools for more text utilities.
What These String Tools Do
This is a collection of 4 free string tools that run entirely in your browser. No software installation, no server uploads, no waiting. You paste text, click a button, and get results instantly.
These tools handle common text manipulation tasks: transforming text (reverse, case conversion), encoding/decoding (Base64), comparing texts (diff checker), and analyzing text (word and character counting).
How to Use These Tools
Most tools follow the same pattern:
- Paste your text into the input box
- Select the operation or transformation type
- Click the action button
- Copy the result
Everything happens client-side using JavaScript. Your text stays in your browser tab and never touches any server.
Who Uses These Tools
Developers reverse strings for debugging, convert case for code generation, encode data to Base64, or compare text outputs.
Writers and editors count words for submissions, convert text case for headlines, or compare document versions.
Students count characters for essays, reverse text for puzzles, or convert case for formatting assignments.
Social media managers count characters for Twitter posts, convert case for emphasis, or format text for different platforms.
Tool Categories
Text Transformation
String Reverse flips text backwards. Text Case Converter changes between UPPERCASE, lowercase, Title Case, and other formats.
Text Encoding
Base64 Encode/Decode converts text to Base64 format and back, useful for embedding data in URLs or JSON.
Text Comparison
Text Compare/Diff Checker highlights additions, deletions, and changes between two text versions.
Text Analysis
Word Counter/Character Counter tallies words, characters (with and without spaces), lines, and bytes.
Limitations and Gotchas
Base64 expansion: Base64 encoding increases data size by approximately 33%.
Unicode handling: Some operations may behave unexpectedly with emojis or combining characters due to Unicode complexity.
Case conversion: Title case rules vary by language. Tools use standard English conventions.
Why 1000freetools
String tools are built into most text editors and programming languages. But sometimes you're in a browser without your editor, or you need a quick way to reverse a string without writing code. These tools exist because simple text operations shouldn't require opening an IDE or installing software. Everything runs in your browser — no installation, no setup, no friction.