File tools that respect your privacy.
Compress images, convert HEIC, merge and split PDFs, and more — all in your browser. No uploads. No sign-up. No watermarks.
Private by design
Files are processed locally with WebAssembly. Nothing is uploaded, ever.
Fast and free
No sign-up, no watermarks, no limits. Open a tool and start working.
No backend
Convaduit has no file server. There's nothing to hack, nothing to leak.
Every tool you need, none of the friction
Built with proven open-source libraries like pdf-lib, pdfjs, heic2any and the Canvas API.
Conversion
HEIC to JPG
Convert Apple HEIC and HEIF photos from your iPhone into universally compatible JPG files directly in your browser.
PDF to Word
Extract text from a PDF and download it as an editable Word-compatible .doc file. Runs locally in your browser.
WebP to PNG
Convert WebP images to PNG format with full transparency support. Fast, free, and 100% browser-based.
PNG to JPG
Convert PNG images to JPG format to reduce file size. Choose a background color for transparent areas.
JPG to WebP
Convert JPG images to modern WebP format for smaller file sizes and better web performance.
Merge PDF
Combine multiple PDF files into a single document in seconds. Drag to reorder, all in your browser, no upload required.
Split PDF
Extract pages or split a PDF into multiple files by page ranges. 100% client-side, your PDF never leaves your browser.
Image to PDF
Convert JPG, PNG, and WebP images into a single PDF document. Reorder, set page size, and download instantly.
Compress PDF
Shrink the size of a PDF by rasterizing its pages to a lower resolution. Reduce PDF file size in your browser.
YouTube
YouTube Thumbnail Downloader
Download HD thumbnails from any YouTube video in one click. Supports maxres, SD, HQ, and MQ resolutions — no sign-up, no watermark.
YouTube Thumbnail Resizer
Resize and crop your thumbnail to YouTube's required 1280×720 with a safe-zone overlay so text isn't cut off on mobile.
YouTube Tags Extractor
Extract the hidden tags and keywords from any YouTube video. See exactly what keywords top creators are ranking for.
YouTube Title Generator
Generate SEO-optimized YouTube titles from your topic. Includes a live character counter so you stay under 100 characters.
YouTube Description Generator
Generate structured YouTube descriptions with timestamps, social links, and hashtags. SEO-ready in seconds.
YouTube Hashtag Generator
Generate relevant YouTube hashtags for your niche or topic. Boost discoverability with researched tag combinations.
YouTube Money Calculator
Estimate YouTube earnings based on views, niche, and CPM. See potential ad revenue across 16 content categories.
YouTube Thumbnail Tester
Preview your thumbnail at real-world sizes — mobile feed, desktop search, TV, and tiny preview. See it as viewers will.
YouTube Channel ID Finder
Find any YouTube channel ID from a video URL, handle, or channel link. Get the UC... ID instantly for APIs and integrations.
YouTube Timestamp Link Generator
Create shareable YouTube links that start at a specific timestamp. Skip intros and link directly to the good part.
Guides & best practices
The Complete Guide to Image Compression for the Web
Everything you need to know about compressing images for the web — formats, quality settings, responsive images, and the tools that actually work.
Read articleHow to Merge PDFs Without Uploading Them to a Stranger's Server
Most free PDF merge tools upload your documents. Here's why that's risky, and how to merge PDFs entirely in your browser.
Read articleWhy WebP Is the Default Image Format for the Modern Web
WebP delivers 25-35% smaller files than JPG and PNG with no quality loss. Here's why it should be your default web image format.
Read articleBuilt for people who care about privacy
Every tool on Convaduit runs entirely in your browser. We don't have a server that stores your files — because we never receive them in the first place.
Read about how it works