Free online tools that feel cozy
41+ simple tools for PDFs, images, YouTube, audio, text and everyday maths. No sign-up. Most tools work right in your browser, so your files stay with you.
โญ Popular tools
Merge PDF
Combine several PDFs into one file, in any order.
YouTube Thumbnail Downloader
Get any video thumbnail in HD, SD and small sizes.
Image Compressor
Reduce JPG, PNG and WebP size while keeping them sharp.
Compress PDF
Shrink large scanned PDFs so they are easy to email or upload.
JPG to PDF
Turn photos and scans (JPG, PNG) into one PDF.
HEIC to JPG
Open iPhone HEIC photos anywhere by converting to JPG.
Video to MP3
Extract the audio track from a video file as MP3.
Word Counter
Count words, characters, sentences and reading time.
๐ PDF Tools
All pdf tools โMerge PDF
Combine several PDFs into one file, in any order.
Split PDF
Extract page ranges or split every page into its own PDF.
Compress PDF
Shrink large scanned PDFs so they are easy to email or upload.
JPG to PDF
Turn photos and scans (JPG, PNG) into one PDF.
PDF to JPG
Save every PDF page as a high-quality JPG image.
Rotate PDF
Fix sideways or upside-down pages and save the PDF.
Add Page Numbers
Stamp page numbers on a PDF in the position you choose.
Watermark PDF
Add a text watermark like โCONFIDENTIALโ to every page.
Remove PDF Pages
Delete unwanted pages from a PDF and save the rest.
๐ผ๏ธ Image Tools
All image tools โImage Compressor
Reduce JPG, PNG and WebP size while keeping them sharp.
Image Resizer
Resize images to exact pixels or a percentage.
Image Converter
Convert between JPG, PNG and WebP in one click.
HEIC to JPG
Open iPhone HEIC photos anywhere by converting to JPG.
Crop Image
Crop to a free shape or a fixed ratio like 1:1 or 16:9.
Image to Base64
Turn an image into a Base64 data URI for HTML or CSS.
โถ๏ธ YouTube Tools
All youtube tools โYouTube Thumbnail Downloader
Get any video thumbnail in HD, SD and small sizes.
YouTube Timestamp Link
Make a link that starts a video at an exact time.
YouTube Embed Code Generator
Create responsive embed code with autoplay, loop and more.
YouTube Title & Description Checker
Check titles and descriptions against YouTube limits.
๐ต Audio Tools
All audio tools โโ๏ธ Text Tools
All text tools โWord Counter
Count words, characters, sentences and reading time.
Case Converter
UPPERCASE, lowercase, Title Case, Sentence case and more.
Remove Duplicate Lines
Delete repeated lines, empty lines, and sort lists.
Text Compare
Find the differences between two texts line by line.
Lorem Ipsum Generator
Placeholder paragraphs, sentences or words for designs.
๐งโ๐ป Developer Tools
All developer tools โJSON Formatter
Beautify, minify and validate JSON with error lines.
Base64 Encode / Decode
Encode text to Base64 or decode it back, with UTF-8.
URL Encode / Decode
Percent-encode or decode URLs and query strings.
Hash Generator
SHA-1, SHA-256, SHA-384 and SHA-512 of text or files.
UUID Generator
Generate random v4 UUIDs, one or thousands at a time.
Unix Timestamp Converter
Convert epoch time to a readable date and back.
QR Code Generator
Make QR codes for links, text, Wi-Fi and UPI.
Password Generator
Strong random passwords with the characters you choose.
๐งฎ Calculators
All calculators โAge Calculator
Exact age in years, months and days on any date.
Percentage Calculator
X% of Y, percentage change, and what percent X is of Y.
EMI Calculator
Monthly loan EMI, total interest and full schedule.
SIP Calculator
Estimate mutual fund SIP returns and maturity value.
GST Calculator
Add or remove GST and see CGST/SGST split.
BMI Calculator
Body Mass Index in metric or imperial units.
Why CozyToolz?
Private by design. PDF, image and audio tools run on your own device using your browser. Your files are not uploaded to a server, so they cannot be stored or seen by anyone else.
Free and simple. There is no account, no watermark and no daily limit. Each tool does one job and explains how to use it.
Works everywhere. CozyToolz works on phones, tablets and computers in any modern browser, including Chrome, Edge, Safari and Firefox.