FreezeBit – Free Online Tools

Generate strong, secure passwords instantly. Runs in your browser. No sign-up.

Test your internet speed in seconds: download, ping, and stability.

Create SHA-256, SHA-1, and SHA-512 hashes locally using WebCrypto.

Check password strength locally.

Base64 encode and decode UTF-8 text.

Format, validate, and minify JSON.

Compare two texts and highlight differences.

Compress images locally.

Convert length, weight, and temperature units.

Calculate BMI from height and weight.

Generate a QR code from plain text or a URL (client-side).

Use PDF Merger online on FreezeBit. Fast, private, and free.

Generate secure random tokens.

Verify a hash matches your input.

Decode JWT header and payload.

Encrypt/decrypt text client-side using AES.

Check if a password appears in known leaks.

Lookup DNS records.

Check if a website is down.

Inspect SSL certificate details.

Fetch response headers for a URL.

Measure TCP ping time.

Calculate subnet mask, range, broadcast, and host count for an IPv4 CIDR block.

Build UTM tracking URLs for campaigns and copy instantly.

Check HTTP status codes for multiple URLs at once.

Generate a clean robots.txt file for your website.

Create a sitemap.xml from a list of URLs (client-side).

Generate Open Graph + Twitter Card meta tags for social sharing.

Parse a URL into protocol, host, path, query params, and fragments.

Build cURL and Fetch requests with custom headers and JSON body.

Follow the full redirect path of any URL (including shortened links). See every hop, status code, timing, and final destination.

Generate UUID v4 identifiers locally in your browser.

Generate secure random numbers and strings.

Generate sortable ULIDs (Universally Unique Lexicographically Sortable Identifiers).

Generate placeholder Lorem Ipsum text quickly.

Convert text case (upper, lower, title, sentence, camel, snake, kebab).

Count words, characters, lines, and estimate reading time.

Remove duplicate lines from lists and text.

Encode or decode URL components safely.

Lightweight HTML minifier (whitespace/comments).

Convert Unix timestamps to human dates and back.

Test JavaScript regular expressions with matches and groups.

Preview Markdown instantly in your browser.

Clean and normalize text quickly.

Count characters, words and lines.

Sort lines alphabetically or numerically.

Turn text into a clean URL slug.

Extract email addresses from text, deduplicate and copy.

Extract URLs from text and copy/export.

Analyze readability scores (Flesch Reading Ease & Grade) for English text.

Find top keywords and density in a text (English).

Convert HTML to Markdown in your browser.

Resize images locally.

Convert between JPG/PNG/WEBP locally.

Strip image metadata by re-encoding.

Crop images to common aspect ratios.

Blur images with a slider.

Add a text watermark to an image and download the result.

Rotate or flip an image and download the edited result.

Convert an image to a Base64 data URL locally in your browser.

Use Favicon Generator online on FreezeBit. Fast, private, and free.

Create QR codes for links, text, Wi‑Fi credentials, or vCard contact info.

Convert colors between HEX, RGB, and HSL.

Convert between timezones.

Countdown to a target time.

Convert currencies using daily rates.

Monitor crypto prices with 24h change.

Calculate and simplify aspect ratios, and scale dimensions.

Calculate percentages, differences, and percent change.

Generate and describe cron expressions.

Convert JSON to CSV.

Encode or decode URLs quickly.

Convert numbers between binary, decimal, and hex.

Encode/decode HTML entities safely.

Convert CSV to JSON instantly in your browser.

Convert JSON to XML locally in your browser.

Convert XML to JSON locally in your browser.

Minify CSS quickly. Best-effort minification, client-side.

Minify JavaScript quickly. Best-effort minification, client-side.

Display your public IP address and basic browser info.

Show user agent and browser hints.

Record audio in your browser and download the file.

Test your webcam and capture a snapshot locally.

Create a ZIP archive from files directly in your browser.

Extract files from a ZIP archive locally in your browser.

Use Text to PDF online on FreezeBit. Fast, private, and free.

Convert one or multiple images to a PDF locally in your browser.

Split a PDF into single pages or a page range locally in your browser.

Convert any file to Base64 locally in your browser.

Decode Base64 (raw or data URL) and download the file locally.

Convert PDF pages to PNG or JPG images locally in your browser.

Reorder PDF pages by drag & drop and rotate pages before downloading a new PDF.

Add a text watermark to every page of a PDF, locally in your browser.

Add page numbers (Page X / N) to your PDF and download the updated file.

Clear common PDF metadata fields and download a cleaned PDF (client-side).

Extract selectable text from a PDF file (client-side).