NikoZint
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Free browser-based tools for developers and everyone. PDF editor, loan calculator, text utilities — no login, no uploads, everything runs locally.
Free Tools, Built with Care
Every tool runs entirely in your browser — your data never leaves your device. No sign-up, no tracking, just fast and reliable utilities you can use anytime.
NikoPDF
Free online PDF editor — merge, split, compress, convert JPG to PDF and PDF to JPG, protect with password, unlock, add watermark and page numbers. All processing happens in your browser.
PromptSaver
Save, organize and copy your AI image prompts. Attach reference images, add tags and build your personal prompt library for Midjourney, DALL-E and Stable Diffusion.
RSVP Kahwin
A beautifully crafted, stress-free RSVP management system designed exclusively for your special wedding day. Manage guest responses with ease.
NikoCalculator
Free online loan and mortgage calculator — calculate car loans, home mortgages, personal loans and investment growth. Includes amortization schedules, charts and PDF export.
NikoTextTools
16 free online text tools — word counter, character counter, case converter, lorem ipsum generator, password generator, UUID generator, hash generator, base64, URL encode, JSON formatter, XML formatter, YAML converter, HTML escape, regex tester, markdown preview and diff checker.