500+ Free Online Tools for PDF, SEO, Images & Dev
Fast. Secure. Privacy-First. No Signup Required. Process PDFs, compress images, validate JSON, and calculate metrics entirely in browser memory.
Featured Online Utilities
Instant, free client-side tools with no subscription required. Your files never touch our servers.
Add Line Numbers to Text
Shape add line numbers to text content with a simple, focused writing flow.
Add Page Numbers to PDF
Work through add page numbers to pdf tasks with local rendering and tidy output.
Add Watermark Text to Image
Edit, compress, and transform visuals with a lightweight workspace for add watermark text to image.
Age Calculator
Calculate your exact age in years, months, weeks, days, hours, and minutes.
Age Calculator (Exact)
Handle quick calculations with focused inputs and polished output.
AI Business Name Generator
Generate unique business name ideas and possible domain slugs by combining your keyword with style-matched words.
AI Code Explainer
Build a ready-to-paste prompt asking your own AI assistant to explain a code snippet step by step.
AI Content Improver
Get rule-based writing feedback - passive voice, long sentences, repetition, adverb overuse - plus a spacing cleanup, all in your browser.
AI Grammar Corrector
Catch common misspellings, spacing, capitalization, and duplicate-word slips with fast, rule-based checks - fully offline.