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200+ free tools available

Free Online Tools for Developers & Designers

200+ fast, free, and privacy-friendly tools — PDF utilities, image editors, text analyzers, SEO helpers, calculators, and more. No signup required.

Popular Tools

Most used tools by our community

PDF Merger

Combine multiple PDF files into a single document

Open PDF Merger

PDF Compressor

Reduce PDF file size without losing quality

Open PDF Compressor

Image Resizer

Resize images to any dimension while preserving quality

Open Image Resizer

Image Compressor

Compress images for web without visible quality loss

Open Image Compressor

Word Counter

Count words, characters, sentences, and paragraphs

Open Word Counter

Text Diff Checker

Compare two texts and highlight the differences

Open Text Diff Checker

Password Generator

Generate strong, random passwords with customizable options

Open Password Generator

Meta Tag Analyzer

Analyze and preview your page meta tags

Open Meta Tag Analyzer

Keyword Density Checker

Check keyword density and distribution in your content

Open Keyword Density Checker

JSON Formatter

Format, validate, and beautify JSON data

Open JSON Formatter

Base64 Encoder/Decoder

Encode and decode Base64 strings instantly

Open Base64 Encoder/Decoder

UUID Generator

Generate random UUIDs / GUIDs for your projects

Open UUID Generator

Percentage Calculator

Quickly calculate percentages, tips, and discounts

Open Percentage Calculator

Loan Calculator

Calculate monthly payments, interest, and amortization

Open Loan Calculator

Age Calculator

Calculate exact age in years, months, and days from date of birth

Open Age Calculator

GST Calculator

Calculate GST inclusive and exclusive amounts quickly

Open GST Calculator

PDF Form Filler

Fill out PDF forms and save them with your entries

Open PDF Form Filler

Background Remover

Remove backgrounds from images automatically

Open Background Remover

QR Code Generator

Generate QR codes for URLs, text, and contact info

Open QR Code Generator

Regex Tester

Test and debug regular expressions with live matching

Open Regex Tester

API Tester

Send HTTP requests and test API endpoints

Open API Tester

JWT Decoder

Decode and inspect JWT tokens

Open JWT Decoder

Tip Calculator

Calculate tips and split bills quickly

Open Tip Calculator

Audio Trimmer

Trim and cut audio files to any length

Open Audio Trimmer

Hash Generator

Generate MD5, SHA-1, SHA-256, and other hash values

Open Hash Generator

Scientific Calculator

Perform advanced mathematical calculations with scientific functions

Open Scientific Calculator

Hashtag Generator

Generate relevant hashtags for social media posts

Open Hashtag Generator

Grammar Checker

Check and fix grammar errors in your writing

Open Grammar Checker

CSV Viewer

View, sort, and analyze CSV data in a table format

Open CSV Viewer

Your Go-To Free Online Tool Collection

Whether you are a developer formatting JSON, a designer resizing images, a student counting words, or a small business owner calculating invoices — Tool-web has a free browser-based tool built for you.

PDF Tools

Merge, split, compress, convert, and annotate PDF files. Try our popular PDF Merger and PDF Compressor.

Image Tools

Resize, compress, crop, and convert images in your browser. Popular picks: Image Resizer and Image Compressor.

Developer Tools

Format JSON, encode Base64, generate UUIDs, minify CSS, and more. Start with JSON Formatter and Base64 Encoder.

Text Tools

Count words, compare text, convert case, and generate placeholders. Try the Word Counter and Text Diff Checker.

SEO Tools

Analyze meta tags, check keyword density, preview SERPs, and more. Start with Meta Tag Analyzer and Keyword Density Checker.

Calculators

Percentage, loan, BMI, currency, and unit calculators at your fingertips. Try the Percentage Calculator and Loan Calculator.

Frequently Asked Questions

Are these tools really free?
Yes. All 200+ tools on Tool-web are completely free to use. There are no hidden fees, no signups, and no watermarks on your output.
Do I need to create an account?
No. Every tool works directly in your browser. Simply visit the tool page, upload or enter your data, and download the result — no account or email required.
Is my data safe and private?
Absolutely. All processing happens locally in your browser. Your files and data are never uploaded to our servers, so your information stays private.
What file formats are supported?
Tool-web supports a wide range of formats including PDF, DOCX, XLSX, PPTX, JPG, PNG, GIF, JSON, CSV, HTML, and many more depending on the specific tool.
Can I use these tools on mobile?
Yes. All tools are fully responsive and work on smartphones, tablets, and desktop browsers. You do not need to install any app.
How often are new tools added?
We regularly add new tools based on user requests and trending needs. Check the Latest Tools section on the homepage or follow our blog for updates.

Have a tool idea?

We are always adding new tools. Suggest what you need and we might build it next.