Overlay one PDF on another, alternate-merge two documents, combine pages into sheets, apply booklet layout, invert colors, or extract pages as ZIP images. Documents stay on your device — editing and conversion run locally in your browser.
Content reviewed October 2026 · About Toolzum
Extract PDF content into editable DOCX files. Preserves formatting, tables, and layout — review complex layouts after conversion.
Converts PDF content—including text, images, and vector graphics—into editable PowerPoint slides with preserved layout structure. Documents stay on your device — editing and conversion run locally in your browser.
Combines two or more PDF files into one contiguous document with up/down buttons to order the input list. Legal assistants compiling.
Merge two CSV files on a shared key column — join related exports into one sheet. Combine two tables without spreadsheets — local merging, free, no signup.
Downscale a batch of images to one max width (default 1920px) with an optional bottom-right watermark, then download everything as a ZIP. Same max-width and watermark apply to every image — local Canvas work, 3 free images a day.
Overlay stacks pages visually (letterhead onto content); merge appends pages end to end.
Reorders pages into printer spreads so folded sheets read in order — for saddle-stitch booklets.
Dark-mode reading and toner saving — white pages become black with light text.
No — all operations run locally in your browser; unlimited saves on local tools.
Generic PDF Processor
Run everyday PDF operations from one toolbox — merge, split, rotate, compress presets without hunting tools. Handle 90% of PDF chores in one tab — local processing, unlimited saves.
PDF Workflow Builder
Chain merge, split, form-fill, rotation, passwords, and metadata edits into repeatable PDF pipelines. Offices rerun payroll-doc prep monthly without reconfiguring — runs locally on pdf-lib, 2 free runs a day.