Text Diff
Free online text diff tool — compare two texts side by side and spot every difference instantly. No install, no signup.
Text Tools
Text 1 0 chars
Text 2 0 chars
😄 Free thanks to ads
More iTool Features!
Character Counter
Free online character counter — count characters, words, sentences, and bytes in real time. No install, no signup.
JSON & JSONL Parser / Formatter
Free online JSON & JSONL parser. Validate, pretty-print, and minify JSON with syntax highlighting. Auto-detects JSON Lines (.jsonl). 100% client-side.
YAML ↔ JSON ↔ TOML Converter
Live 3-way converter between YAML, JSON, and TOML. Smart schema detection for Kubernetes, Docker Compose, GitHub Actions, plus YAML pitfall warnings (Norway problem, octal, sexagesimal). 100% browser-based.
XML Parser / Formatter
Free online XML parser with real-time validation, collapsible tree view (+/-), pretty print, and syntax highlighting for elements, attributes, text, and CDATA. 100% browser-based.
JSON ↔ XML Converter
Live 2-way converter between JSON and XML. Configurable attribute prefix and text node key. 100% browser-based, no upload.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 strings online — free, instant, no install. Full Unicode support. See both results side by side.
EPUB to TXT Converter
Extract text from EPUB eBooks instantly. Free browser-based EPUB to TXT conversion — no install, no server upload, chapter by chapter.
Text to Speech
Free online text-to-speech tool — type any text and your browser reads it aloud. Adjust voice, speed, and playback position. No install required.
Markdown Viewer - MD File Reader Online
Open and preview MD files instantly in your browser — no install needed. Free online markdown viewer. Upload .md files or paste markdown to see live rendering with code highlighting and auto TOC.
Frequently Asked Questions
Line-by-line comparison shows which lines were added, deleted, or changed. Character-by-character comparison highlights exactly which characters within a line have changed. This tool shows differences at the character level for fine-grained detail.
Currently, comparisons are case-sensitive. 'Hello' and 'hello' are treated as different strings.
Added text is highlighted in green and deleted text in red. Unchanged sections are displayed as-is, so you can immediately spot what changed.
Yes, you can paste source code content and compare it. Source code, config files, JSON, XML, and any other text-based content can all be compared.
Currently, only on-screen viewing is supported. If needed, you can use your browser's screenshot feature or copy the result text directly.
Live Compare
See differences instantly as you type
Handy Tools
Change line breaks, remove spaces, etc.
Free
100% free thanks to ads.
Key Features
- Live Compare: See differences instantly as you type
- Side by Side: View texts side by side for easy comparison
- Unified View: See additions and deletions in one view
- Edit Tools: Newline convert, space removal, and more
How to Use
- Enter your first text in the left area
- Enter your second text in the right area
- Differences are highlighted automatically
- Switch tabs to choose unified or side-by-side view
Available Tools
- Reset All: Clear all text
- Swap Texts: Switch positions of Text 1 and 2
- Newline → Space: Convert all newlines to spaces
- Remove Spaces: Remove all space characters
- Remove Empty Lines: Remove blank lines only
Use Cases
- Code review and change tracking
- Document version comparison
- Before/after translation comparison
- Data integrity verification