Free Browser Tools: Word Counter, JSON Formatter & UUID Generator (2026)

Disclosure: Free Tool Shelf does not host these utilities as a paid SaaS. The Pages links below are static browser tools we recommend for quick jobs. Prefer pages that process data locally (no upload). We are not affiliated with competing products named for comparison and do not receive payment for rankings. Do not paste secrets, production credentials, private customer JSON, or regulated personal data into any web form you do not trust.

Three tiny jobs show up constantly for students, indie hackers, and content folks: count the words in a draft, pretty-print a JSON blob, and mint a few UUIDs for test data. You do not need Electron apps or npm installs for any of them—if you open a trustworthy client-side page.

This roundup covers free browser tools for word / character counting, JSON format & validate, and UUID v4 generation, with direct links to local-first Pages demos you can use without signup.

How we picked tools for this list

• Usable free path — Finish the job without creating an account.
• Local-first bias — Prefer in-browser processing over “upload your file to our API.”
• Clear single purpose — One job per page beats a cluttered mega-suite for these tasks.
• English-reachable UI — Multilingual extras welcome.

Privacy habits (same for all three)

1. Read whether the page claims local / in-browser processing.
2. Never paste live API keys, session tokens, or full production database dumps into a random formatter.
3. For confidential manuscripts or NDAs, count words offline (LibreOffice, VS Code status bar, wc).
4. UUIDs from crypto.getRandomValues-style browser APIs are fine for test IDs—not a substitute for your security team’s ID policy in regulated systems.

Quick comparison

Need	Local Pages tool	Typical alternative	Watch-outs
Words / chars / lines	word-counter-md6.pages.dev	WordCounter.net-style sites; editor status bars	Language-specific “word” rules differ
JSON pretty / minify / validate	json-formatter-2jb.pages.dev	jsonformatter.org-style sites; IDE formatters	Huge payloads can freeze a phone tab
UUID v4 batch + copy	uuid-generator-dtq.pages.dev	uuidgenerator.net-style sites; uuidgen CLI	v4 ≠ sequential IDs; don’t invent “security” myths

1. Free online word counter (local)

Open https://word-counter-md6.pages.dev/ when you need characters, words, lines, and paragraphs without uploading a .docx. Paste a blog draft, caption, or subtitle file and read the live totals. Useful before you hit CMS limits, school essay windows, or ad-copy character caps.

Why it makes the list: No signup, local processing messaging, works beside your editor. Limits: “Word” boundaries for CJK vs spaced languages are implementation-defined—use it for orientation, not a courtroom definition of word count.

Good for: Bloggers, students, social captions. Skip if: Your teacher requires Microsoft Word’s exact statistic panel—then use that panel.

Classic third-party alternatives (WordCounter-style sites) remain fine for casual English essays; always skim their privacy policy if the draft is sensitive.

2. Free JSON formatter & validator (local)

Open https://json-formatter-2jb.pages.dev/ to beautify, compress, or sanity-check JSON in the browser. Typical uses: clean a pasted API response before reading it, minify a config for a gist, or spot a missing comma without installing an IDE plugin on a borrowed computer.

Why it makes the list: Fast paste UX and local-first intent. Limits: Multi‑megabyte JSON can stall a low-end phone; for giant logs, use jq or an editor offline.

Good for: Developers and no-code builders debugging webhooks. Skip if: The payload includes secrets—redact first or format offline.

Popular web formatters exist under many domains; prefer ones that document client-side parsing, and bookmark your IDE’s built-in format command for daily work.

3. Free UUID v4 generator (local)

Open https://uuid-generator-dtq.pages.dev/ to generate one or many UUID v4 values and copy them for fixtures, spreadsheet test rows, or stub primary keys in a prototype.

Why it makes the list: Batch-friendly and local random generation via the browser. Limits: UUID v4 is random—do not expect sort order; do not treat “looks random” as encryption; follow your platform’s ID guidelines for production.

Good for: QA data, demo databases, correlating log lines in a dry run. Skip if: You needed ULID/KSUID/sequential IDs for time-ordered indexes—use the right library instead.

CLI fans can keep uuidgen (or language standard libraries) as the offline twin of any web generator.

Which tab should you open first?

• Essay / caption length: Word Counter.
• Messy API JSON: JSON Formatter.
• Throwaway test IDs: UUID Generator.
• Also sizing AI prompts: see our separate note on the Token Calculator.

Common mistakes

1. Uploading production JSON to a random “beautifier” — redact or stay local.
2. Arguing over word count across tools — agree on the authority (teacher, CMS, or contract) first.
3. Using web UUIDs as password substitutes — different problem; use a password manager.
4. Formatting 50 MB of logs in a phone browser — use jq / desktop editors.

Suggested workflow

1. Decide if the text or JSON is sensitive. If yes → offline tools only.
2. Otherwise open the matching Pages tool above; finish the job; close the tab.
3. Bookmark all three plus the token estimator if you write AI prompts weekly.
4. For repeated team workflows, graduate to editor plugins and CLI so you are not dependent on any one URL.

Bottom line

In 2026 you can still cover everyday word counting, JSON tidy-up, and UUID v4 test IDs with free, no-signup browser pages. Start here:

• https://word-counter-md6.pages.dev/
• https://json-formatter-2jb.pages.dev/
• https://uuid-generator-dtq.pages.dev/

Free Tool Shelf only points. These Pages apps are meant to keep your paste buffer local—use offline software whenever confidentiality matters more than convenience.