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Get more done with your files.
Straightforward guides to PDF editing, image conversion and AI-assisted document work. Find the right workflow—and know what to check before you share.
76 guides
How to edit a PDF with AI commands
Use natural-language instructions for PDF text edits, formatting, highlights and page changes, then review the proposal before applying.
Read guide →edit pdfAdd a PDF summary page with AI
Ask FileHero AI to summarize document content and insert the summary as a new PDF page, with a review step before changes are applied.
Read guide →edit pdfChange PDF fonts and preserve heading sizes with AI
Change PDF font family, body size and emphasis with an AI proposal, while keeping headings distinct and checking text fit.
Read guide →edit pdfUse image and audio references in PDF AI chat
Attach an image or an audio explanation to give FileHero AI context for a PDF-editing request.
Read guide →compressHow to compress PDFs and images
Reduce PDF or image size for an upload limit. Choose a compression setting, compare quality, and understand why some files will not shrink.
Read guide →compressWhy a compressed file can be bigger
JPEGs and already-optimized PDFs may contain very little redundant data. Re-encoding can add overhead instead of saving space.
Read guide →zip filesHow to create a ZIP archive
A step-by-step guide to create a ZIP archive, with advice on the settings and checks that matter.
Read guide →zip filesZIP versus compression: which should you use?
ZIP is useful for packaging multiple files. Photos and videos are often already compressed, so packaging them may barely reduce their size.
Read guide →unzip filesHow to extract files from a ZIP archive
A step-by-step guide to extract files from a ZIP archive, with advice on the settings and checks that matter.
Read guide →unzip filesWhy a ZIP archive will not extract
An incomplete download or unsupported archive can prevent extraction. A small ZIP may also expand into a very large set of files.
Read guide →resize imageHow to resize an image to exact dimensions
A step-by-step guide to resize an image to exact dimensions, with advice on the settings and checks that matter.
Read guide →resize imageResize or crop an image?
Resizing changes pixel dimensions across the whole picture. Cropping removes part of the frame, changing the composition or aspect ratio.
Read guide →crop imageHow to crop an image without stretching it
A step-by-step guide to crop an image without stretching it, with advice on the settings and checks that matter.
Read guide →crop imageWhy a cropped photo looks blurry
Cropping discards pixels; it does not create additional detail. Enlarging a small crop can make the remaining image look soft.
Read guide →create qr codeHow to create a QR code for a link
A step-by-step guide to create a QR code for a link, with advice on the settings and checks that matter.
Read guide →create qr codeWhy a QR code will not scan
Codes can become difficult to read when printed too small, stretched, blurred or placed on a low-contrast background.
Read guide →voice to textHow to transcribe voice and audio to text
A step-by-step guide to transcribe voice and audio to text, with advice on the settings and checks that matter.
Read guide →voice to textImprove an inaccurate audio transcript
Background music, overlapping speech, accents and poor microphones can reduce recognition accuracy. A transcript is not an exact record unless checked.
Read guide →compress videoHow to compress a video for sharing
A step-by-step guide to compress a video for sharing, with advice on the settings and checks that matter.
Read guide →compress videoWhy browser video compression takes time
Re-encoding video requires decoding and encoding many frames. Long clips and high resolutions can put pressure on device memory and processing power.
Read guide →mp4 to gifHow to convert a short MP4 clip to GIF
A step-by-step guide to convert a short MP4 clip to GIF, with advice on the settings and checks that matter.
Read guide →mp4 to gifGIF or video for a short animation?
GIF has no audio and can be much larger than a video showing the same motion. It is useful when a destination specifically expects an animated image.
Read guide →edit pdfHow to edit a PDF with text, forms and AI
Need to fix a typo, fill in a form or add a note to a PDF? Here is how to choose the right tool, make the change and check your saved document.
Read guide →edit pdfWhy PDF text is difficult to edit
A PDF stores positioned content, not necessarily flowing paragraphs. Words can be split across drawing operations, and scans may contain only images.
Read guide →merge pdfHow to merge PDF files in the right order
Combine PDF files in the right order. Follow a document-bundle example, check the final page count, and handle signed or fillable PDFs carefully.
Read guide →merge pdfPrepare a clean PDF document bundle
Combining files can leave duplicate covers, blank separator pages or inconsistent page numbers. Merging alone does not resolve these issues.
Read guide →split pdfHow to split a PDF into separate pages
A step-by-step guide to split a PDF into separate pages, with advice on the settings and checks that matter.
Read guide →split pdfSplit a PDF or delete pages?
Splitting produces separate files. Deleting pages produces one document with fewer pages; the two workflows serve different purposes.
Read guide →rotate pdfHow to rotate PDF pages for reading
A step-by-step guide to rotate PDF pages for reading, with advice on the settings and checks that matter.
Read guide →rotate pdfPermanent PDF rotation versus viewer rotation
A viewer can rotate your display without changing the saved PDF. A recipient may therefore still see the old orientation.
Read guide →delete pdf pagesHow to delete unwanted pages from a PDF
A step-by-step guide to delete unwanted pages from a PDF, with advice on the settings and checks that matter.
Read guide →delete pdf pagesDelete PDF pages without losing the wrong section
Printed page labels can differ from file positions. Deleting a cover changes later positions in the newly saved file.
Read guide →watermark pdfHow to add a text or image watermark to PDF
A step-by-step guide to add a text or image watermark to PDF, with advice on the settings and checks that matter.
Read guide →watermark pdfWatermarks are not secure PDF redaction
A watermark identifies or labels a document. It does not securely remove the content underneath it or prevent copying.
Read guide →add page numbersHow to add page numbers to a PDF
A step-by-step guide to add page numbers to a PDF, with advice on the settings and checks that matter.
Read guide →add page numbersWhen to add page numbers to a document bundle
Numbering early can become misleading after pages are removed or files are merged. Existing printed numbers may describe a different sequence.
Read guide →pdf to wordHow to convert PDF to Word
Learn how to convert PDF to Word (DOCX), check whether your PDF is scanned, and fix broken paragraphs or tables after conversion.
Read guide →pdf to wordWhy PDF to Word changes the layout
PDFs store text at page coordinates, while Word lays it out in paragraphs. Columns, unusual fonts and scanned pages do not translate cleanly.
Read guide →pdf to excelHow to convert PDF tables to Excel
A step-by-step guide to convert PDF tables to Excel, with advice on the settings and checks that matter.
Read guide →pdf to excelFix shifted columns after PDF to Excel
PDF tables may be positioned text rather than genuine spreadsheet cells. Wrapped descriptions and merged headers can confuse column boundaries.
Read guide →pdf to pptxHow to convert PDF text to PowerPoint
A step-by-step guide to convert PDF text to PowerPoint, with advice on the settings and checks that matter.
Read guide →pdf to pptxPDF to PowerPoint: editable text or page images?
Text extraction provides editable content but does not reproduce the original slide design. Page images preserve appearance but are not editable text.
Read guide →pdf to txtHow to extract plain text from a PDF
A step-by-step guide to extract plain text from a PDF, with advice on the settings and checks that matter.
Read guide →pdf to txtWhy PDF text extraction produces empty output
An image-only scan can look like a text document while containing no actual text layer. Plain-text extraction cannot read the pixels as words.
Read guide →pdf to pngHow to convert PDF pages to PNG images
A step-by-step guide to convert PDF pages to PNG images, with advice on the settings and checks that matter.
Read guide →pdf to pngPNG or JPG for PDF page images?
PNG generally suits diagrams and text-heavy screenshots; JPG often uses less space for photographs. Neither preserves selectable PDF text.
Read guide →pdf to jpgHow to convert PDF pages to JPG images
A step-by-step guide to convert PDF pages to JPG images, with advice on the settings and checks that matter.
Read guide →pdf to jpgKeep PDF screenshots readable as JPG
Lossy image compression can introduce halos around letters and fine lines. Enlarging a low-resolution result will not restore detail.
Read guide →pdf to htmlHow to convert PDF text to HTML
A step-by-step guide to convert PDF text to HTML, with advice on the settings and checks that matter.
Read guide →pdf to htmlWhat PDF to HTML can and cannot preserve
A PDF’s fixed layout differs from a responsive web page. Converting readable text does not automatically reproduce columns, images or an accessible semantic structure.
Read guide →word to pdfHow to convert DOCX text to PDF
A step-by-step guide to convert DOCX text to PDF, with advice on the settings and checks that matter.
Read guide →word to pdfPreserve complex Word formatting when making a PDF
A text-based conversion is not the same as Word’s own page-layout export. Tables, pictures and custom headers may need a different workflow.
Read guide →excel to pdfHow to convert an Excel spreadsheet to PDF
A step-by-step guide to convert an Excel spreadsheet to PDF, with advice on the settings and checks that matter.
Read guide →excel to pdfMake wide spreadsheet tables easier to read
A worksheet can be much wider than a printed page. Shrinking everything can make numbers unreadable, while wrapping can separate related columns.
Read guide →pptx to pdfHow to convert PowerPoint text to PDF
A step-by-step guide to convert PowerPoint text to PDF, with advice on the settings and checks that matter.
Read guide →pptx to pdfChoose the right PowerPoint to PDF workflow
A text handout and a faithful slide export are different outputs. Text extraction is useful for reading content but not for reproducing visual design.
Read guide →jpg to pdfHow to convert JPG photos to PDF
A step-by-step guide to convert JPG photos to PDF, with advice on the settings and checks that matter.
Read guide →jpg to pdfTurn photographed documents into a readable PDF
A PDF container cannot correct a blurry or badly lit photo. Perspective distortion and clipped page edges remain visible after conversion.
Read guide →png to pdfHow to convert PNG images to PDF
A step-by-step guide to convert PNG images to PDF, with advice on the settings and checks that matter.
Read guide →png to pdfWhy PNG transparency looks different in a PDF
Transparent image regions reveal the background beneath them. A PDF page typically displays on a white canvas, which can change the perceived design.
Read guide →txt to pdfHow to convert a text file to PDF
A step-by-step guide to convert a text file to PDF, with advice on the settings and checks that matter.
Read guide →txt to pdfPrepare a TXT document for PDF conversion
Plain text has no embedded fonts, images or heading styles. The converter must choose how to lay out the text.
Read guide →png to excelHow to extract text from a PNG into Excel
A step-by-step guide to extract text from a PNG into Excel, with advice on the settings and checks that matter.
Read guide →png to excelCheck OCR numbers before using Excel formulas
Recognition can confuse similar characters such as O and 0, or miss decimal marks and minus signs. A valid-looking cell can still contain the wrong value.
Read guide →jpg to excelHow to extract a photographed table into Excel
A step-by-step guide to extract a photographed table into Excel, with advice on the settings and checks that matter.
Read guide →jpg to excelImprove table recognition from a photo
Perspective, shadows and JPG compression can make table boundaries and small characters ambiguous. Recognition cannot recover detail that was never captured.
Read guide →heic to jpgHow to convert an iPhone HEIC photo to JPG
Turn an iPhone HEIC photo into JPG for an upload form. Check orientation and color, keep your original, and troubleshoot conversion failures.
Read guide →heic to jpgWhy convert HEIC to JPG?
HEIC is common on Apple devices, but some websites and applications expect JPG. Conversion improves compatibility rather than adding image detail.
Read guide →png to jpgHow to convert PNG to JPEG
Convert PNG to JPG (JPEG), understand what happens to transparency, and fix format, size or dimension problems on upload forms.
Read guide →png to jpgWhy a PNG gets a white background as JPG
PNG can store transparency; JPEG cannot. Converting to JPG requires filling those transparent regions with an opaque color.
Read guide →jpg to pngHow to convert JPG to PNG
A step-by-step guide to convert JPG to PNG, with advice on the settings and checks that matter.
Read guide →jpg to pngDoes converting JPG to PNG improve quality?
PNG avoids another lossy JPEG encoding step, but it cannot reconstruct missing detail. The PNG may be larger while looking the same.
Read guide →webp to pngHow to convert WebP to PNG
A step-by-step guide to convert WebP to PNG, with advice on the settings and checks that matter.
Read guide →webp to pngPreserve transparency when converting WebP
Both WebP and PNG can represent transparency. JPG cannot, so choosing the wrong destination format can introduce an unwanted solid background.
Read guide →webp to jpgHow to convert WebP to JPG
A step-by-step guide to convert WebP to JPG, with advice on the settings and checks that matter.
Read guide →webp to jpgChoose PNG or JPG when replacing WebP
JPG is broadly compatible and often suitable for photos. PNG is a better choice when transparent areas need to remain transparent.
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