All Tools

Browse every Zealous Tools browser utility by category.

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Compress PDF
Use Compress PDF to optimize PDF structure with object streams while preserving existing page content and image quality. It works locally on your device and requires no account or file upload.
Merge PDF
Use Merge PDF to combine ordered PDF files into one document. It works locally on your device and requires no account or file upload.
Split PDF
Use Split PDF to extract page ranges into a new PDF. It works locally on your device and requires no account or file upload.
Images to PDF
Use Images to PDF to turn ordered JPG and PNG images into one PDF. It works locally on your device and requires no account or file upload.
PDF to JPG
Use PDF to JPG to render selected PDF pages as JPG images. It works locally on your device and requires no account or file upload.
Extract PDF Pages
Use Extract PDF Pages to copy selected pages into a separate PDF. It works locally on your device and requires no account or file upload.
Delete PDF Pages
Use Delete PDF Pages to remove selected pages while preserving the rest. It works locally on your device and requires no account or file upload.
Rotate PDF Pages
Use Rotate PDF Pages to rotate every PDF page by a chosen angle. It works locally on your device and requires no account or file upload.
Reorder PDF Pages
Use Reorder PDF Pages to rearrange PDF pages using an explicit page order. It works locally on your device and requires no account or file upload.
Compress JPG
Use Compress JPG to re-encode JPEG images at a chosen quality. It works locally on your device and requires no account or file upload.
Compress PNG
Use Compress PNG to optimize PNG output through browser re-encoding. It works locally on your device and requires no account or file upload.
Image Resizer
Use Image Resizer to resize an image to exact pixel dimensions. It works locally on your device and requires no account or file upload.
Resize Image to Target KB
Use Resize Image to Target KB to reduce an image toward a requested file-size limit. It works locally on your device and requires no account or file upload.
JPG to PNG
Use JPG to PNG to convert a JPEG image into PNG format. It works locally on your device and requires no account or file upload.
PNG to JPG
Use PNG to JPG to convert a PNG to JPEG with an explicit white background. It works locally on your device and requires no account or file upload.
Image to WebP
Use Image to WebP to convert JPG or PNG images to WebP. It works locally on your device and requires no account or file upload.
WebP to JPG
Use WebP to JPG to convert a WebP image to widely supported JPEG. It works locally on your device and requires no account or file upload.
Crop Image
Use Crop Image to crop an image using numeric coordinates. It works locally on your device and requires no account or file upload.
Remove Image Metadata
Use Remove Image Metadata to create a clean re-encoded image without original metadata. It works locally on your device and requires no account or file upload.
App Icon Generator
Use App Icon Generator to create a practical PNG icon size pack. It works locally on your device and requires no account or file upload.
Favicon Generator
Use Favicon Generator to create a genuine multi-resolution favicon.ico plus PNG, Apple Touch and PWA assets. It works locally on your device and requires no account or file upload.
Passport Size Photo Maker
Use Passport Size Photo Maker to make a custom-dimension photo sheet without claiming universal compliance. It works locally on your device and requires no account or file upload.
Signature Resizer
Use Signature Resizer to resize and compress a signature image for forms. It works locally on your device and requires no account or file upload.
Photo and Signature Merger
Use Photo and Signature Merger to stack a photo and signature into one image. It works locally on your device and requires no account or file upload.
Image DPI and Print Size Calculator
Use Image DPI and Print Size Calculator to calculate physical print dimensions from image pixels and a chosen DPI without rewriting metadata. It works locally on your device and requires no account or file upload.
English to Hindi Typing
Use English to Hindi Typing to transliterate Latin keystrokes into Devanagari. It works locally on your device and requires no account or file upload.
English to Bengali Typing
Use English to Bengali Typing to transliterate Latin keystrokes into Bengali script. It works locally on your device and requires no account or file upload.
English to Marathi Typing
Use English to Marathi Typing to transliterate Latin keystrokes into Marathi Devanagari. It works locally on your device and requires no account or file upload.
English to Tamil Typing
Use English to Tamil Typing to transliterate Latin keystrokes into Tamil script. It works locally on your device and requires no account or file upload.
English to Telugu Typing
Use English to Telugu Typing to transliterate Latin keystrokes into Telugu script. It works locally on your device and requires no account or file upload.
English to Gujarati Typing
Use English to Gujarati Typing to transliterate Latin keystrokes into Gujarati script. It works locally on your device and requires no account or file upload.
English to Kannada Typing
Use English to Kannada Typing to transliterate Latin keystrokes into Kannada script. It works locally on your device and requires no account or file upload.
English to Malayalam Typing
Use English to Malayalam Typing to transliterate Latin keystrokes into Malayalam script. It works locally on your device and requires no account or file upload.
KrutiDev to Unicode
Use KrutiDev to Unicode to convert supported legacy KrutiDev sequences to Unicode. It works locally on your device and requires no account or file upload.
Unicode to KrutiDev
Use Unicode to KrutiDev to convert supported Unicode Devanagari to KrutiDev text. It works locally on your device and requires no account or file upload.
Mangal to KrutiDev
Use Mangal to KrutiDev to convert Mangal-rendered Unicode text to KrutiDev encoding. It works locally on your device and requires no account or file upload.
KrutiDev to Mangal
Use KrutiDev to Mangal to convert KrutiDev text to Unicode suitable for Mangal. It works locally on your device and requires no account or file upload.
Hindi Typing Test
Use Hindi Typing Test to measure Hindi typing speed and accuracy locally. It works locally on your device and requires no account or file upload.
English Typing Test
Use English Typing Test to measure English words per minute and accuracy. It works locally on your device and requires no account or file upload.
Marathi Typing Test
Use Marathi Typing Test to measure Marathi typing speed with local passages. It works locally on your device and requires no account or file upload.
QR Code Generator
Use QR Code Generator to generate a downloadable QR code without sending its payload. It works locally on your device and requires no account or file upload.
Barcode Generator
Use Barcode Generator to generate a scannable Code 128 barcode locally. It works locally on your device and requires no account or file upload.
Word and Character Counter
Use Word and Character Counter to count words, characters, lines and reading time. It works locally on your device and requires no account or file upload.
JSON Formatter and Validator
Use JSON Formatter and Validator to format and validate JSON without executing it. It works locally on your device and requires no account or file upload.
Rupees to Words
Use Rupees to Words to write numbers and rupee amounts in the Indian numbering system. It works locally on your device and requires no account or file upload.