Every file you touch here stays on your machine.
PDF, image, developer, SEO, text, student and business tools — all free, all entirely in your browser. No upload, no account, no server ever sees your data.
The toolset
Focused tools covering the everyday PDF work — pick one to get started, no account needed.
How this actually works
Each tool runs entirely with JavaScript already loaded in this page — PDF tools via pdf-lib and pdf.js, image tools via the browser's native Canvas API, and everything else with plain JavaScript. Your files or input are read into browser memory, processed, and handed back as a download or copyable result. This page itself is served by a small Laravel route; Laravel never sees your files either. The only backend in use is Supabase, and only for two optional things: signing in with a magic link, and — only if you're signed in — a log of which tool you ran and when. Two things have real limits worth knowing up front: Compress PDF flattens each page to a re-encoded image (great for scan-heavy PDFs, not ideal if you need selectable text after), and Word/Excel/PowerPoint ⇄ PDF conversion genuinely requires a server-side rendering engine, so it isn't included here — this build only ships tools that can honestly run client-side.
Questions people actually ask
What format is the output?
Always JPG — the compression works by re-encoding the image, which is what makes the size reduction possible. If your source has transparency (a PNG), that transparency is lost, since JPG doesn't support it.
What quality setting should I use?
70% is a reasonable starting point for most photos — visually close to the original at a meaningfully smaller size. Drag the slider lower for more savings, or higher if you start seeing visible artifacts.
Can I compress a PNG?
Yes — it's read in as whatever format it is and re-encoded as JPG, same as a JPG input. Just remember any transparency in the PNG won't survive the conversion.
Does it resize the image, or only compress it?
Only compression — the pixel dimensions stay exactly the same. This tool controls file size via quality, not by shrinking the image itself.
How much smaller will my file get?
Depends on the image and the quality you choose — a detailed photo shrinks less than a simple graphic at the same setting. The result message shows the exact before-and-after size once it's done.
Can I compress more than one image at once?
Not in one run — this tool works on one image at a time. Run it again for additional images.
Is my image uploaded anywhere?
No — it's decoded and re-encoded entirely in your browser using the Canvas API; nothing is uploaded.
Can I undo the compression?
No — like any lossy compression, it's one-way. Keep your original file if you might need the uncompressed version again.
Is this really free, and is there a file size limit?
Yes — no account, no paywall. Since processing happens in your browser's memory rather than uploading anywhere, the practical limit is your device's available RAM, not a server quota. Very large files (500+ pages) may run slower, especially for Compress and PDF→JPG.
Does anything about my file get sent anywhere?
No. Every tool runs with pdf-lib/pdf.js loaded in this page; your file is read into browser memory and never leaves it. The only network call this app makes for your account is Supabase auth — and that only stores which tool you ran and when, never file content.
Why isn't Word/Excel/PowerPoint → PDF included?
Converting Office formats accurately needs a real rendering engine (what Word or LibreOffice use internally) — no browser library does this reliably. Rather than ship a broken version, it's left out.
Does TechDriven Tools have OCR (text recognition)?
Yes — OCR PDF recognizes text in scanned or photographed pages using Tesseract.js, running entirely on your device, and gives you a searchable PDF or a plain text file. Nothing is uploaded for this either.
Can I use this without an internet connection?
Once the page and its libraries have loaded once, yes — the tools themselves need no network access. Signing in and viewing history do require a connection, since those talk to Supabase.
What happens to the "history" if I sign in?
Only a row per tool run — the tool's name and a timestamp. No filename, no file content, ever. You can see the full list any time via the History button.
Are the non-PDF utilities (password generator, JSON formatter, etc.) private too?
Yes — same rule as the PDF tools. Word Counter, Case Converter, Password Generator, UUID Generator, Base64, Hash Generator, JSON Formatter and JWT Decoder all run with plain JavaScript already loaded in this page; nothing you type or paste is sent anywhere.