PDF
Add clean page numbers to any PDF directly in your browser. Covers placement, font sizing, and keeping the output small enough for portal submissions.
Read guide →Guides
Blog
Long-form, practical guides to compress PDFs, images, and Office files, built for real upload limits, email rules, and quality constraints.
All posts (A: Z)
Guide
Quick reference guide for picking the right file size, format, and compression preset for WhatsApp, email attachments, and government or scholarship portals.
Read guide →IMAGE
The most effective method for shrinking heavy scanned PDFs: convert pages to compressed JPGs and rebuild the document to dramatically cut file size.
Read guide →PDF
Spot text changes, missing pages, and revision differences between two PDF versions: ideal for reviewing contracts, submissions, and tracked edits.
Read guide →Image
Step-by-step workflows for reducing image sizes to pass Google Forms, Moodle, and other LMS upload validators without losing readability.
Read guide →Office
Avoid broken columns, stripped leading zeros, and garbled dates when converting CSV to Excel. Covers encoding, delimiter settings, and formatting traps.
Read guide →PDF
Export PDF pages as small, legible JPGs for online forms with image-only upload fields. Covers DPI targets, quality settings, and common portal constraints.
Read guide →Image
Resize and crop photos to exact passport or ID dimensions in the browser. Covers aspect ratios, background requirements, and typical portal specifications.
Read guide →Guide
Up-to-date attachment size limits for Gmail, Outlook, iCloud, and other major providers: plus practical workflows when your file exceeds the cap.
Read guide →PDF
Pull specific pages from a large PDF and save them as a standalone document: useful for splitting applications, contracts, and multi-section reports.
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Copy or download the text content of a PDF as plain TXT: handy for editing, searching, or repurposing content without retyping from scratch.
Read guide →OFFICE
Diagnose and fix the most common JSON syntax errors: missing commas, unquoted keys, trailing commas: then export clean formatted or minified output.
Read guide →Image
Understand the trade-offs between Apple HEIC and standard JPG, and when to convert before sending files to portals, email, or Android recipients.
Read guide →PDF
Browser-based methods for shrinking PDFs directly on your phone: no app download needed. Covers iOS Shortcuts, Android browsers, and size-check steps.
Read guide →PDF
Reduce PDF file size while keeping text and images sharp. Covers safe DPI targets, compression levels, and a step-by-step workflow for real portal limits.
Read guide →PDF
Targeted compression strategies for common upload destinations: email, HR portals, and government forms: with recommended size targets and quality checks.
Read guide →PDF
Settings and workflows for compressing image-heavy scanned PDFs without blurring text or losing detail required for official submissions.
Read guide →PDF
Step-by-step guide to reliably getting any PDF below the 2 MB limit imposed by most scholarship and visa portals, with a verification checklist.
Read guide →Guide
Multi-format strategies for hitting the 1 MB threshold: which formats to use, what to cut first, and how to verify the result before submitting.
Read guide →PDF
Merge multiple PDFs into one document while keeping the final size under control: covers input preparation, merge order, and a post-merge compression pass.
Read guide →Image
A practical guide to resizing and compressing images for web use: choosing the right format, setting export dimensions, and targeting fast load times.
Read guide →Office
Quick checklist for removing the embedded images, fonts, and revision data that silently inflate Office files without breaking layouts or losing content.
Read guide →PDF
Create and place a digital signature on any PDF in the browser: no printing, scanning, or subscription required. Covers legibility and file size impact.
Read guide →Image
Reference dimensions for common publishing contexts: blog hero images, product thumbnails, portfolio galleries, and social media previews: with file size targets.
Read guide →PDF
Combine multiple JPG images into a compact, legible A4 PDF: useful for multi-page applications, receipts, and document sets with strict upload limits.
Read guide →Image
When to use JPG and when to use PNG, based on image content, transparency needs, and target platform: with concrete file size comparisons.
Read guide →PDF
Add selectable, searchable text to scanned PDFs using OCR, reducing reliance on heavy image compression while making the file more accessible and submittable.
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How PDF linearization restructures files for faster browser loading, when it makes a practical difference, and how to check if your PDF is linearized.
Read guide →Image
Export PDF pages as PNG or JPG with the right resolution and quality for web display, online forms, and social media: with format comparison tips.
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Why upload portals reject large PDFs, what the typical limits are across common platforms, and which steps to take first to bring files within range.
Read guide →Image
How PNG transparency affects file size, when transparency is genuinely necessary, and when switching to JPG delivers significant savings without visual loss.
Read guide →Guide
Verified file size limits for major email services, Spanish and Italian university portals, and scholarship systems: with practical compression targets for each.
Read guide →PDF
How to permanently remove sensitive text and images from a PDF so the hidden content cannot be copied, searched, or recovered after the file is shared.
Read guide →Office
Strip the main sources of hidden bloat from PowerPoint files: embedded videos, uncompressed images, unused fonts: and export a lean, submission-ready copy.
Read guide →IMAGE
Step-by-step privacy checklist for stripping GPS coordinates, device details, and timestamps from images before sharing them online or submitting to portals.
Read guide →Privacy
How to identify and remove revision history, author details, comments, and embedded thumbnails that inflate document file sizes and expose private data.
Read guide →Privacy
Clean personal and document metadata from PDFs and Office files before submission: covering author name, edit history, comments, and linked file paths.
Read guide →PDF
Rearrange, rotate, or delete individual PDF pages in the browser: useful for fixing scan order, removing blank pages, and preparing clean submissions.
Read guide →PDF
How to compress PDFs specifically for scholarship application portals: common size limits, recommended DPI targets, and a pre-submission quality checklist.
Read guide →Guide
A fast, format-agnostic checklist to run before sending any large file: covers size, format, naming, content checks, and common portal-specific gotchas.
Read guide →PDF
How to divide a large PDF into smaller parts that individually pass strict upload size limits, while keeping pages in the correct order and format.
Read guide →Image
Comprehensive reference for image compression across all major formats, platforms, and use cases: from blog images to social headers and email attachments.
Read guide →Guide
A complete overview of every compression tool and workflow on this site: PDF, image, and Office: with links to the right guide for each use case.
Read guide →PDF
Add visible watermarks such as DRAFT or CONFIDENTIAL to PDF pages in the browser, with advice on placement, opacity, and keeping file size under control.
Read guide →Image
How to overlay a visible watermark on images without degrading quality or inflating file size: covers text watermarks, logo overlays, and opacity settings.
Image
Common reasons image files are larger than expected: wrong format, uncropped dimensions, embedded metadata: and the fastest corrective steps for each.
Read guide →Office
How to diagnose and shrink Word document file size: compress embedded images, remove tracked changes, strip embedded fonts, and export a clean PDF copy.
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