# PDFFlare

> Free online tools for PDFs, images, text, JSON, and developer utilities. All tools run client-side in the browser. No signup, no upload to servers, no rate limits.

For the complete content dump in one file, see https://pdfflare.com/llms-full.txt.
Each tool and blog post also exposes a markdown variant at <its-url>/llms.md (linked from the HTML head as `<link rel="alternate" type="text/markdown">`).

## PDF Tools

- [Merge PDF](https://pdfflare.com/tools/pdf/merge-pdf): Combine multiple PDFs into one
- [Split PDF](https://pdfflare.com/tools/pdf/split-pdf): Separate into pages or ranges
- [Compress PDF](https://pdfflare.com/tools/pdf/compress-pdf): Reduce file size
- [PDF to Word](https://pdfflare.com/tools/pdf/pdf-to-word): Convert to editable DOCX
- [Word to PDF](https://pdfflare.com/tools/pdf/word-to-pdf): Convert DOCX to PDF
- [Excel to PDF](https://pdfflare.com/tools/pdf/excel-to-pdf): XLSX, XLS, ODS to PDF
- [PowerPoint to PDF](https://pdfflare.com/tools/pdf/powerpoint-to-pdf): PPTX, PPT, ODP to PDF
- [Crop PDF](https://pdfflare.com/tools/pdf/crop-pdf): Trim PDF margins or pages
- [HTML to PDF](https://pdfflare.com/tools/pdf/html-to-pdf): Convert HTML to PDF
- [PDF to JPG](https://pdfflare.com/tools/pdf/pdf-to-jpg): Extract pages as images
- [Photo to PDF](https://pdfflare.com/tools/pdf/jpg-to-pdf): Photos to PDF document
- [Rotate PDF](https://pdfflare.com/tools/pdf/rotate-pdf): Rotate pages by 90/180/270
- [Password Protect PDF](https://pdfflare.com/tools/pdf/password-protect-pdf): Encrypt PDF with password
- [Unlock PDF](https://pdfflare.com/tools/pdf/unlock-pdf): Remove PDF password
- [Remove PDF Pages](https://pdfflare.com/tools/pdf/remove-pdf-pages): Delete pages from PDF
- [Edit PDF](https://pdfflare.com/tools/pdf/edit-pdf): Edit PDF files online
- [OCR PDF](https://pdfflare.com/tools/pdf/ocr-pdf): Extract text from scanned PDFs & images
- [Fill PDF Form](https://pdfflare.com/tools/pdf/fill-pdf-form): Auto-detect blanks + fill PDF forms
- [Sign PDF](https://pdfflare.com/tools/pdf/sign-pdf): Add signature to PDF
- [Add Page Numbers](https://pdfflare.com/tools/pdf/add-page-numbers): Add page numbers to PDF
- [Rearrange PDF Pages](https://pdfflare.com/tools/pdf/rearrange-pdf-pages): Rearrange PDF pages in any order

## Image Tools

- [Resize Image](https://pdfflare.com/tools/image/resize-image): Change image dimensions
- [Compress Image](https://pdfflare.com/tools/image/compress-image): Reduce image file size
- [Compress Image to KB](https://pdfflare.com/tools/image/compress-image-to-kb): Compress to exact target size
- [Convert Image](https://pdfflare.com/tools/image/convert-image): PNG, JPG, WebP conversion
- [Crop Image](https://pdfflare.com/tools/image/crop-image): Visual crop, rotate & batch process images
- [Flip Image](https://pdfflare.com/tools/image/flip-image): Flip, mirror, or rotate images
- [Add Watermark](https://pdfflare.com/tools/image/add-watermark): Add text watermark to images

## JSON Tools

- [JSON Formatter](https://pdfflare.com/tools/json/json-formatter): Format, validate, repair JSON
- [JSON to TypeScript](https://pdfflare.com/tools/json/json-to-typescript): Generate TS interfaces from JSON
- [JSON to CSV](https://pdfflare.com/tools/json/json-to-csv): Convert JSON ↔ CSV both ways
- [JSON to YAML](https://pdfflare.com/tools/json/json-to-yaml): Convert JSON ↔ YAML both ways
- [JSON Diff](https://pdfflare.com/tools/json/json-diff): Compare two JSONs structurally
- [JSON Generator](https://pdfflare.com/tools/json/json-generator): Generate dummy JSON from templates
- [JSON Schema](https://pdfflare.com/tools/json/json-schema): Generate + validate JSON Schema
- [JSON Path](https://pdfflare.com/tools/json/json-path): Query JSON with JSONPath
- [JSON Flatten](https://pdfflare.com/tools/json/json-flatten): Flatten / unflatten nested JSON
- [Duplicate Keys](https://pdfflare.com/tools/json/json-duplicate-keys): Find duplicate JSON keys
- [JSON Escape](https://pdfflare.com/tools/json/json-escape): Escape / unescape JSON strings
- [JSON Stats](https://pdfflare.com/tools/json/json-stats): Inspect depth, keys, types
- [JSON Viewer](https://pdfflare.com/tools/json/json-viewer): Interactive collapsible tree
- [JSON to XML](https://pdfflare.com/tools/json/json-to-xml): Convert JSON ↔ XML both ways
- [JSON to TOML](https://pdfflare.com/tools/json/json-to-toml): Convert JSON ↔ TOML both ways
- [JSON to Go](https://pdfflare.com/tools/json/json-to-go): Generate Go structs from JSON
- [JSON to Python](https://pdfflare.com/tools/json/json-to-python): Generate Python @dataclass
- [JSON to Rust](https://pdfflare.com/tools/json/json-to-rust): Generate Rust serde structs
- [JSON to Java](https://pdfflare.com/tools/json/json-to-java): Generate Java POJOs
- [JSON to C#](https://pdfflare.com/tools/json/json-to-csharp): Generate C# classes
- [JSON to Markdown](https://pdfflare.com/tools/json/json-to-markdown-table): JSON array to Markdown table
- [JSON to Kotlin](https://pdfflare.com/tools/json/json-to-kotlin): Generate Kotlin data classes
- [JSON to Swift](https://pdfflare.com/tools/json/json-to-swift): Generate Swift Codable structs
- [JSON to SQL](https://pdfflare.com/tools/json/json-to-sql): CREATE TABLE + INSERT statements
- [JSON to HTML](https://pdfflare.com/tools/json/json-to-html-table): JSON array to HTML table
- [JSON Merge Patch](https://pdfflare.com/tools/json/json-merge-patch): Apply RFC 7396 patches
- [JSON to Excel](https://pdfflare.com/tools/json/json-to-excel): Download as .xlsx file
- [JSON to Protobuf](https://pdfflare.com/tools/json/json-to-protobuf): Generate proto3 schema
- [JSON to GraphQL](https://pdfflare.com/tools/json/json-to-graphql): Generate GraphQL SDL
- [JSON5 / JSONC](https://pdfflare.com/tools/json/json5-parser): Parse JSON with comments
- [JSON Sort](https://pdfflare.com/tools/json/json-sort): Sort keys + arrays deeply

## Developer Tools

- [Password Generator](https://pdfflare.com/tools/dev/password-generator): Random, passphrase, PIN
- [UUID Generator](https://pdfflare.com/tools/dev/uuid-generator): v1, v4, v5, v7 + bulk
- [HMAC Generator](https://pdfflare.com/tools/dev/hmac-generator): HMAC-SHA256 webhook signatures
- [File Checksum](https://pdfflare.com/tools/dev/file-checksum): MD5 + SHA hashes of any file
- [Verify Checksum](https://pdfflare.com/tools/dev/verify-checksum): Match a published hash to a file
- [Random Secret](https://pdfflare.com/tools/dev/random-secret-generator): JWT secrets, API keys, webhook keys
- [Timestamp Converter](https://pdfflare.com/tools/dev/timestamp-converter): Unix epoch ↔ date, ISO, ms
- [Regex Generator](https://pdfflare.com/tools/dev/regex-generator): Generate regex from sample strings
- [Regex Tester](https://pdfflare.com/tools/dev/regex-tester): Test regex with live highlighting
- [Cron Expression Tester](https://pdfflare.com/tools/dev/cron-expression-tester): Validate cron + next fire times
- [Hash Generator](https://pdfflare.com/tools/dev/hash-generator): MD5, SHA + HMAC signing
- [Base64 Encode/Decode](https://pdfflare.com/tools/dev/base64-encode-decode): Encode and decode Base64 strings
- [JWT Decoder](https://pdfflare.com/tools/dev/jwt-decoder): Decode JWT header, payload + claims
- [URL Encode/Decode](https://pdfflare.com/tools/dev/url-encode-decode): Encode and decode URLs
- [Color Converter](https://pdfflare.com/tools/dev/color-converter): Convert HEX, RGB, HSL colors
- [QR Code Generator](https://pdfflare.com/tools/dev/qr-code-generator): Generate QR codes from text or URLs
- [Markdown to HTML](https://pdfflare.com/tools/dev/markdown-to-html): Convert Markdown to HTML
- [Markdown Editor](https://pdfflare.com/tools/dev/markdown-editor): Write Markdown with live preview

## Text Tools

- [Word Counter](https://pdfflare.com/tools/text/word-counter): Count words, characters, sentences
- [Case Converter](https://pdfflare.com/tools/text/case-converter): 16 formats + stats
- [Lorem Ipsum Generator](https://pdfflare.com/tools/text/lorem-ipsum-generator): Generate placeholder text
- [Text Diff](https://pdfflare.com/tools/text/text-diff): Compare two texts side by side

## Blog posts

Tutorials and guides on PDF, image, text, JSON, and developer workflows.

- [How to Compress an Image to a Specific Size in KB (Free, 2026)](https://pdfflare.com/blog/how-to-compress-image-to-specific-kb): Compress JPG, PNG, WebP, or HEIC to an exact KB target — 50, 100, 200, 500 KB — for gov forms, job portals, and ATS uploads. Free, browser-only.
- [How to Crop a PDF Online (Free, Browser-Only, 2026)](https://pdfflare.com/blog/how-to-crop-pdf-online): Crop PDF pages in your browser — drag to select the area, pick A4/Letter/square aspect ratio, apply to all pages or just the first. Free, no upload.
- [How to Fill PDF Form Online (Free, Even Word-to-PDF Forms)](https://pdfflare.com/blog/how-to-fill-out-pdf-form-online): Fill PDF form online — auto-detects AcroForm fields plus underscore blanks in Word-to-PDF flat forms. Type to fill, download. Free, no signup, no Acrobat.
- [Regex Generator from Sample Strings: Build Regex (2026)](https://pdfflare.com/blog/how-to-generate-regex-from-sample-strings): Regex generator from sample strings — paste 2-5 examples, get a regex with character classes and length quantifiers. Deterministic, no AI, no signup.
- [Regex Tester Online: How to Test Regex Like a Pro (2026)](https://pdfflare.com/blog/how-to-test-regex-online): Regex tester online — paste a regex, get live match highlighting plus paste-ready code for 10 languages. 40+ presets, ReDoS detector, substitution mode.
- [Kubernetes CronJob Tester: How to Verify Schedules Before Apply](https://pdfflare.com/blog/how-to-test-kubernetes-cronjob): Kubernetes CronJob tester — verify spec.schedule before kubectl apply. Plain-English description, next 50 fire times, timezone-aware. Free, no signup.
- [Cron Expression Tester: How to Test Cron Online (2026)](https://pdfflare.com/blog/how-to-test-a-cron-expression-online): Cron expression tester — paste, get plain English plus the next 50 fire times in any timezone. Free, browser-based. Pairs with Kubernetes CronJob.
- [Unix Timestamp Converter: How to Convert Epoch to Date (2026)](https://pdfflare.com/blog/how-to-convert-unix-timestamp-to-date): Unix timestamp converter — convert Unix epoch ↔ date, ISO 8601, RFC 2822, local time. Auto-detects seconds vs milliseconds. Free, browser-based.
- [How to Combine Multiple Word Docs into One PDF (Free, No Office)](https://pdfflare.com/blog/combine-word-docs-into-one-pdf): Combine Word docs into one PDF — convert each .docx to PDF, then merge in any order. Free, browser-based, no Office or Acrobat needed.
- [PDF/A vs PDF: What's the Difference? (And When You Need Each)](https://pdfflare.com/blog/pdf-vs-pdfa-whats-the-difference): PDF/A vs PDF — what's the difference, when to use each. PDF/A is for archival, PDF is for general use. Conversion, validation, and gotchas explained.
- [Best Free PDF Editor in 2026 (Honest Comparison, No Paywalls)](https://pdfflare.com/blog/best-free-pdf-editor-2026): Best free PDF editor in 2026 — honest comparison of PDFFlare, Smallpdf, iLovePDF, Sejda, PDF24. Pick the right one for your use case, no paywalls.
- [How to Make a Resume in PDF (Free Templates, No Word Required)](https://pdfflare.com/blog/make-a-resume-in-pdf-free-templates): Make a resume in PDF — pick a free template, fill it in, save as PDF, sign and compress. Browser-based, no Word, no sign-in.
- [How to Convert WebP to JPG (Free, Online, No Quality Loss)](https://pdfflare.com/blog/convert-webp-to-jpg): Convert WebP to JPG in your browser — drop the file, pick quality, download. Free, no upload, batch supported. Plus when to convert (and when not to).
- [How to Convert SVG to PNG Online Free (No Install Needed)](https://pdfflare.com/blog/convert-svg-to-png-online-free): Convert SVG to PNG free online — pick output size, transparency, and DPI. Browser-based, no install. Plus how to handle SVG complexity gotchas.
- [How to Encrypt a PDF for Email (Free, Browser-Based)](https://pdfflare.com/blog/how-to-encrypt-pdf-for-email): Encrypt a PDF for email with a password — free, in your browser, no Adobe Acrobat. Plus when password protection is enough vs when you need real encryption.
- [What Is a HEIC File and Why Does iPhone Use It? (2026 Guide)](https://pdfflare.com/blog/what-is-a-heic-file-iphone): What is a HEIC file? Apple's HEIF/HEIC image format saves 50% file size vs JPG. Learn why iPhone uses it, how to open one, and when to convert to JPG.
- [AVIF vs WebP vs JPG: Which Image Format in 2026?](https://pdfflare.com/blog/avif-vs-webp-vs-jpg-2026): AVIF vs WebP vs JPG in 2026 — compression, browser support, and when to use each. Plus how to convert between them in your browser, no signup.
- [PDF vs DOCX: When to Use Each (Complete 2026 Guide)](https://pdfflare.com/blog/pdf-vs-docx-when-to-use-each): PDF vs DOCX — when to use each, key differences, and how to convert between them. Sharing, archiving, collaboration, accessibility — all covered.
- [How to Compare Two PDFs Side by Side (Free, No Install)](https://pdfflare.com/blog/compare-two-pdfs-side-by-side): Compare two PDFs side by side — visually with split-screen, by text content with OCR + diff, or by checksum. 4 free methods, no Adobe subscription.
- [How to Make Image Background Transparent (PNG, Free)](https://pdfflare.com/blog/make-image-background-transparent): Make image background transparent — remove white or solid backgrounds, save as transparent PNG. Free methods for logos, product photos, signatures.
- [How to Combine Photos into PDF on Android (Free, No App)](https://pdfflare.com/blog/combine-photos-into-pdf-android): Combine photos into PDF on Android using Chrome — free, no app install, no upload. Plus how to compress, sign, and merge the resulting PDF.
- [How to Convert PNG to JPG (and Back) — Free, No Quality Loss](https://pdfflare.com/blog/convert-png-to-jpg-and-back): Convert PNG to JPG (or JPG to PNG) free in your browser. Pick the right format, control quality, batch convert. No upload, no signup.
- [How to Annotate a PDF (Highlights, Notes, Drawings) — Free](https://pdfflare.com/blog/annotate-pdf-highlights-notes): Annotate a PDF online free — add highlights, sticky notes, drawings, text overlays. Browser-based, no install, no signup. Works on Mac, Windows, mobile.
- [How to Extract Images from a PDF (Free, Without Quality Loss)](https://pdfflare.com/blog/extract-images-from-pdf): Extract images from a PDF — pull every embedded image as JPG/PNG without quality loss. Free, browser-based, no install, no signup, no upload.
- [How to Insert Pages into a PDF (Free, Online, No Install)](https://pdfflare.com/blog/insert-pages-into-pdf): Insert pages into a PDF — add blank pages, insert pages from another PDF, or rearrange. Free, browser-based, no Adobe Acrobat. Step-by-step.
- [How to Sign a PDF on iPad with Apple Pencil (Free, No App)](https://pdfflare.com/blog/sign-pdf-on-ipad-apple-pencil): Sign a PDF on iPad with Apple Pencil — use Markup, Files, or PDFFlare's free Sign PDF tool in Safari. Step-by-step guide for one-tap signatures.
- [How to Save a Webpage as PDF (Chrome, Safari, Firefox, 2026)](https://pdfflare.com/blog/save-webpage-as-pdf): Save a webpage as PDF in any browser — Chrome, Safari, Firefox, Edge — without ads. Plus how to clean, compress, and merge webpage PDFs after saving.
- [How to Reduce PDF Size on Mac (5 Free Methods, No Quality Loss)](https://pdfflare.com/blog/reduce-pdf-size-on-mac): Reduce PDF size on Mac with 5 free methods — Preview, PDFFlare's Compress PDF, ColorSync, Acrobat, Ghostscript. Pick the right one for your use case.
- [How to Make a Fillable PDF Form (Free, No Acrobat Required)](https://pdfflare.com/blog/make-fillable-pdf-form-free): Make a fillable PDF form free without Adobe Acrobat. Add text fields, checkboxes, signatures using PDFFlare's Edit PDF + Sign PDF tools, all in your browser.
- [How to Save a Google Doc as PDF (Desktop, iPhone, iPad)](https://pdfflare.com/blog/save-google-doc-as-pdf): Save a Google Doc as PDF on desktop, iPhone, iPad — with comments, without comments, in any layout. Plus how to compress, sign, or merge after export.
- [All 111 blog posts →](https://pdfflare.com/blog)

## Optional

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- [Contact](https://pdfflare.com/contact)
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