Instant browser tools

ToolSpark: Free Online Utilities

Use fast, secure tools for image compression, PDF merging, text editing and smarter calculations — all locally in your browser.

🖼️

Image Compressor

Reduce image file size in-browser with instant preview and download.

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JPG to PNG

Convert JPEGs to PNGs instantly to preserve quality and transparency.

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QR Code Generator

Create custom, scannable QR codes for your URLs, text, and emails.

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JSON Formatter

Prettify, minify, and validate messy JSON payloads instantly.

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Password Generator

Create highly secure, random passwords locally in your browser.

✍️

Word Counter

Count words, characters, sentences, and reading time.

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Text Case Converter

Convert text between uppercase, lowercase, and title case.

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Percentage Calculator

Calculate percentages, sale prices, and math differences.

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HTML Minifier

Compress HTML code, remove spaces and comments to boost website speed.

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PDF Merger

Combine multiple PDF files locally into a single document.

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Resume Word Counter

Check resume length, detect action verbs, and remove ATS-blocking buzzwords.

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Text to Speech

Convert written text to natural-sounding audio instantly. No limits.

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Paraphrasing Tool

Rewrite essays and articles instantly to enhance vocabulary and avoid duplicate text.

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Base64 Encoder

Encode text to Base64 or decode Base64 strings instantly and securely.

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Unit Converter

Convert between various units of length, weight, and temperature.

📅

Date Calculator

Find the duration between two dates or add/subtract time instantly.

🩺

BMI Calculator

Calculate your Body Mass Index to find out if you're at a healthy weight.

📝

Lorem Ipsum Generator

Quickly generate dummy placeholder text for your mockups and websites.

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Markdown Previewer

Write Markdown on the left and see the rendered HTML preview instantly.

🎨

Color Picker

Pick any color to instantly get its HEX, RGB, and HSL values.

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Word Frequency

Find out which words are used most often in your text for SEO analysis.

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Tip Calculator

Calculate your gratuity instantly and split the final bill evenly.