Text Tools
Writing and editing often come down to small checks: what exactly changed between two drafts, how long a piece is, or how a heading looks in a plain-text banner. These browser tools compare two text versions, count words and characters, generate text banners, or help you write Markdown with a live preview. The diff checker highlights what was added, removed or changed. The word counter reports words, characters, sentences, paragraphs and estimated reading time as you type. The ASCII generator turns a short phrase into FIGlet-style banner text that you can copy or save. The Markdown editor includes a formatting toolbar and preview for notes, READMEs and drafts. Processing happens locally, so your text is not uploaded. For find-and-replace with patterns, the Developer category has a regex tool.
Tools in this category
4 tools- Markdown Editor with Live Preview Write GitHub-flavoured Markdown with a toolbar, syntax highlighting and a live preview, then export. Best for notes, READMEs and drafts you want to see formatted as you type.
- Text Diff Checker Compares two pieces of text and highlights additions, removals and changes. Best for reviewing edits between drafts, configs or copied documents.
- Word & Character Counter Counts words, characters, sentences and paragraphs and estimates reading time as you type. Best for essays, posts and fields with a length limit.
- Text to ASCII Art Generator Turns text into FIGlet banner art in several fonts, with recoloring and copy or download as text or PNG. Best for README headers, terminal banners and playful signatures.
Guides
View all guides- How to Format and Validate JSON Online Learn to format, minify and validate JSON, fix common syntax errors, and convert it to CSV, YAML or XML using browser-based developer tools.
- Markdown Syntax Guide for Beginners Learn Markdown syntax with clear examples of headings, lists, links, code blocks and tables. Use the cheat sheet and preview your writing in a browser.
Which tool should I use?
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Need to see what changed between two versions?
Text Diff Checker: Paste the old and new text to see every difference highlighted.
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Checking length or reading time?
Word & Character Counter: Paste or type your text to get live counts and reading time.
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Want a banner for a header or terminal?
Text to ASCII Art Generator: Pick a font, type your text and copy the result.
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Writing notes or a README?
Markdown Editor with Live Preview: Draft Markdown and check its rendered appearance with the live preview.
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Replacing text with patterns?
Regex Find & Replace Tool: The regex tool in Developer tools handles pattern-based find and replace.
More tools you may need
- Regex Find & Replace Tool — Developer: test patterns and replace text with capture groups.
- Image Format Converter — Image: convert JPG, PNG, WebP and AVIF files in batches.
- JSON Formatter & Validator — Developer: format and validate structured JSON text.
Frequently asked questions
Is the text I paste uploaded anywhere?
No. These tools process text in your browser, so pasted content stays on your device.
How is reading time estimated?
Reading time is based on the word count and an average reading speed, so treat it as a rough guide.
Can the diff checker compare files?
It compares text that you paste or type. Copy the contents of each file into the two panels to compare them.
Which fonts does the ASCII generator offer?
It offers several FIGlet fonts, including Standard, Big, Slant and Block. Wider fonts need more horizontal space.