The 15 Best Online Text Tools (2026 Edition)
A hand-picked list of the most useful free text tools for writers, students, marketers and developers.
How we picked
The best online text tool is fast, private, works on mobile, and does one thing well. Every entry below meets those bars and is free, with no signup or usage limit.
The counters
Word Counter
Live counts of words, characters, sentences, paragraphs and reading time. The single most-used tool on Text Tools Hub.
Character Counter
Includes with-space and without-space totals, plus letters, digits and whitespace breakdown. Perfect for social posts and SEO meta.
Sentence Counter and Paragraph Counter
Structural counts to catch long sentences and wall-of-text paragraphs before your reader does.
Line Counter
For code, CSVs and lists — total, non-empty and unique line counts.
The cleaners and converters
Remove Extra Spaces and Remove Blank Lines
One-click cleanup for copy-pasted text.
Duplicate Line Remover and Remove Duplicate Words
Dedupe lists and prose while preserving order.
Text Case Converter and Reverse Text
Upper, lower, Title, Sentence, camelCase, snake_case, kebab-case — and character/word/line reversal.
Text to Slug Converter
Titles into URL-friendly slugs, accents removed.
The encoders and formatters
URL Encoder / Decoder and Base64 Encoder / Decoder
UTF-8 safe encoding for the debugging you didn't want to do today.
HTML Encoder / Decoder
Escape and unescape entities for docs and blog posts.
JSON Formatter, HTML Formatter and Markdown Previewer
Beautify code and preview Markdown without leaving the browser.
The SEO extras
Keyword Density Checker
Top-25 keyword frequency with density percentages, ignoring stop-words. Sanity check before publish.
Frequently asked questions
- Are all of these really free?
- Yes — every tool listed is free with no signup or usage limit. The site is supported by lightweight display ads.
- Do any of them upload my text?
- No. All tools run entirely in your browser. Nothing is sent to a server.
- Which should I bookmark first?
- Word Counter, Text Case Converter and Remove Extra Spaces cover 80% of daily use for most writers.
We build and document free, privacy-first browser tools used by writers, students, marketers and developers. Every article is written and reviewed by the same team that ships the tools.
Expertise: Writing workflows, SEO content, text processing, front-end performance
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- Reading time:
- 4 min