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Practical guides for everyday document, image and text tasks, format comparisons, and the engineering behind ToolField. Free tools, no signup.

How we built ToolField - the tech behind global, private, instant tools

A look under the hood of ToolField: a DB-driven content model, provider-agnostic factories, MSSQL, ephemeral queue workers and edge delivery across 25 languages - and why that lets us ship globally without the bloat.

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How to merge PDF files without Adobe

Combine multiple PDFs into one without Adobe Acrobat. Free, private, no signup - your files auto-delete in 2 hours.

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JPG vs PNG vs WebP: which image format should you use?

A plain-English guide to choosing between JPG, PNG and WebP - when each wins on quality, transparency and file size, with examples.

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How to compress a PDF under 1MB

Shrink a PDF below 1MB for email and uploads without wrecking quality. Free, private, no signup - files auto-delete in 2 hours.

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