Free online tools that just work

ToolNest is a small collection of fast, free tools for writers, students and developers. No sign-up, no uploads, no waiting. Everything runs in your browser, so your text stays on your device.

Text Tools

Word Counter

Count words, characters and sentences with reading time, readability scores and keyword density for your top terms.

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Character Counter

Count characters with and without spaces, plus letters, digits and platform length checks.

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Case Converter

Convert text to UPPERCASE, lowercase, Title Case, Sentence case, alternating case and more.

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Remove Duplicate Lines

Delete repeated lines from a list, then sort A to Z or reverse the lines in one click.

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Text Reverser

Reverse characters, reverse word order, or flip every word in your text instantly.

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Word Frequency Counter

Count how often every word appears in your text and browse the results in a sorted table.

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Text to Speech

Listen to any text read aloud with your choice of voice and reading speed.

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Typing Speed Test

Measure your typing speed in words per minute with a 60 second test and live accuracy score.

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PDF Tools

Merge PDF

Combine multiple PDF files into a single document, in the order you choose.

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Split PDF

Extract a page range from a PDF, or save every page as its own file.

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JPG to PDF

Turn one or more images into a clean PDF document with A4, Letter or fit-to-image pages.

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Compress PDF

Reduce PDF file size in your browser and compare before and after sizes.

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PDF to JPG Converter

Convert PDF pages to JPG images at up to 216 DPI, by page range, with ZIP download. No upload.

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PDF to PNG Converter

Convert PDF pages to crisp lossless PNG images at up to 216 DPI, singly or as a ZIP. No upload.

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Image Tools

Image Compressor

Shrink JPG, PNG and WebP images with a quality slider and see the size saving before you download.

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Image Converter

Convert images between JPG, PNG and WebP formats right in your browser.

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PNG to JPG

Convert PNG images to JPG for smaller files that work everywhere. Free, instant, no upload.

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JPG to PNG

Convert JPG images to lossless PNG for editing, graphics and crisp screenshots. No upload.

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WebP to PNG

Convert WebP images to PNG so any app, editor or printer can open them. Free and instant.

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WebP to JPG

Convert WebP images to JPG for maximum compatibility with forms, apps and email. No upload.

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PNG to WebP

Convert PNG images to WebP and cut file size by a third or more, transparency included.

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JPG to WebP

Convert JPG photos to WebP for a faster website and smaller files, with quality preserved.

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Image Resizer

Resize any image to exact pixel dimensions, with aspect ratio lock and scale presets.

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HEIC to JPG Converter

Convert iPhone HEIC photos to JPG in batches, right in your browser. Your photos never leave your device.

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HEIC to PNG Converter

Convert iPhone HEIC photos to lossless PNG in batches, decoded on your device with nothing uploaded.

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AVIF to JPG Converter

Convert AVIF images to JPG for maximum compatibility with forms, apps and printers. No upload.

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Compress Image to 50KB

Compress images to 50KB or under for government forms, exam portals and ID photo uploads.

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Compress Image to 100KB

Compress images to 100KB or under for fast web pages and light email attachments.

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Compress Image to 200KB

Compress images to 200KB or under for job applications and document upload portals.

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Image to Text Converter

Extract text from photos, scans and screenshots with OCR that runs in your browser. Nothing uploaded.

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Generators

Password Generator

Create strong random passwords with a length slider, symbol toggles and a live strength meter.

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QR Code Generator

Turn any text or link into a QR code and download it as a high-resolution PNG image.

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Lorem Ipsum Generator

Generate placeholder lorem ipsum text by the paragraph, sentence or word for your mockups.

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Random Number Generator

Generate random numbers in any range, with a no-duplicates option for draws and raffles.

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Developer Tools

JSON Formatter

Format, minify and validate JSON with clear error messages that point at the exact problem.

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Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 back to readable text, with full Unicode support.

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Slug Generator

Turn titles and phrases into clean, URL-friendly slugs ready for blogs and websites.

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Business Tools

Invoice Generator

Create professional PDF invoices free: items, tax, discount, logo and live totals. No sign-up.

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Email Tools

Gmail Dot Trick Generator

Generate every dot variation and alias of any email address. On Gmail, all of them land in the same inbox.

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Why people use ToolNest

Most online tools make you wait for uploads, create an account, or paste your writing into a server you know nothing about. ToolNest takes the opposite approach. Every tool is built with plain web technology that runs locally in your browser tab. Results appear as you type, your work is never sent anywhere, and there is nothing to install.

The collection focuses on the jobs people repeat every day. Students and writers check essay lengths, reading time and keyword density. Marketers trim posts to fit character limits on X, Instagram and LinkedIn. Developers format JSON, encode Base64 and generate clean URL slugs. Small jobs, done in seconds, as often as you need them.

Built to respect your privacy

Because nothing leaves your device, ToolNest is safe for drafts, unpublished manuscripts, internal documents and freshly generated passwords. When you close the tab, everything is gone. Read more in our Privacy Policy and on the About page.

Frequently asked questions

Are ToolNest tools really free?

Yes. Every tool on ToolNest is free to use with no sign-up, no account and no usage limits. Open a tool, paste or type your content, and get your result instantly.

Is my text private when I use these tools?

Yes. All ToolNest tools run entirely in your web browser. Your text, passwords and files are never uploaded to a server, never stored and never shared. You can even disconnect from the internet after the page loads and the tools will still work.

Do I need to install anything?

No. ToolNest works in any modern browser on Windows, macOS, Linux, Android and iOS. There is nothing to download or install.

Which tool should I start with?

The Word Counter is our most popular tool. Writers and students use it to check word counts, reading time and keyword density. Developers usually start with the JSON Formatter, and anyone setting up accounts can use the Password Generator.