How to Merge PDF Files Free — No Upload Needed
Merge multiple PDF files into one document for free, right in your browser. No signup, no watermarks, and your files are never uploaded.
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Ideas on technology, privacy, tools and web performance.
HEIC to JPG: Convert iPhone Photos the Easy Way
Convert HEIC photos from your iPhone to JPG for free — in bulk, without uploading them anywhere. Plus how to stop shooting HEIC entirely.
Read article →Related tool: Convert HEIC to JPG
How to Compress a PDF Without Losing Quality
Shrink a PDF under email and portal size limits while keeping it readable. Free, private compression that runs entirely in your browser.
Read article →Related tool: Compress PDF
Minify JavaScript, CSS and HTML: A Practical Guide
What minification actually does, how much weight it saves, and how to minify JS, CSS and HTML online without your code leaving the browser.
Read article →Related tool: Minify Code
Convert CSV to Excel Without Breaking Your Data
Turn a CSV into a clean Excel (XLSX) file without mangled characters, lost leading zeros or broken dates — free and fully in your browser.
Read article →Related tool: Convert CSV to Excel
What Is Base64? Encoding Explained in Plain English
What Base64 encoding is, why it isn't encryption, why it makes data 33% bigger, and when you should (and shouldn't) use it.
Read article →Related tool: Base64 Encoder & Decoder
How to Split PDF Pages Into Separate Files Free
Split a PDF into single pages or extract a page range in seconds — free, no signup, and the file never leaves your browser.
Read article →Related tool: Split PDF
How to Remove a Password From a PDF You Own
Remove the password from payslips, bank statements and invoices you can already open — without uploading the file to any server.
Read article →Related tool: Unlock PDF
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