All free online tools

Combine multiple PDF files into a single document in your browser.

Split a PDF by selected pages, every page, every N pages, or custom ranges — multi-file results as ZIP.

Reduce PDF file size by rebuilding and optimizing the document.

Rotate PDF pages by 90°, 180°, or 270°.

Reorder PDF pages with a simple page sequence.

Remove unwanted pages from a PDF file.

Extract specific pages from a PDF into a new file.

Stamp text watermarks with color, opacity, placement, angle, and page selection.

Add sequential page numbers to your PDF with position, format, start number, and margin controls.

Crop PDF pages with independent top/right/bottom/left margins in pt, inches, or mm.

Add a password and choose print, copy, edit, annotate, and form permissions.

Remove password protection from a PDF you own (requires the correct password).

Convert one or more JPG images into a PDF with page size, fit, margin, and reorder controls.

Convert PNG images into a multi-page PDF with page size, fit, margin, and reorder controls.

Export selected PDF pages as JPG images with resolution and quality controls.

Export selected PDF pages as PNG images with resolution controls.

Inspect title, author, subject, dates, and other PDF document properties in a clear table.

Preview and strip document metadata fields from a PDF for privacy.

Copy the existing text layer from digital PDFs — fast extraction without OCR.

Read text from scanned or image-only PDFs with offline Tesseract OCR in your browser.

Convert a color PDF to black-and-white grayscale pages in your browser.

List page count, size in points and inches, and orientation for every page.

Shrink JPG, PNG, and WebP with presets, quality, and max dimension controls.

Resize images by exact pixels or percentage with aspect lock and format choice.

Crop images with a visual editor, exact pixel coordinates, and output format.

Rotate images by 90°, 180°, or 270° with batch support.

Flip images horizontally, vertically, or both.

Convert JPG images to PNG format.

Convert PNG images to JPG with quality and background color controls.

Convert PNG images to modern WebP with quality control.

Convert WebP images to PNG.

Convert JPG images to WebP with quality control for smaller file sizes.

Convert WebP images to JPG with quality and background controls.

Rasterize SVG graphics to PNG at a chosen scale.

Rasterize SVG graphics to JPG with scale, quality, and background controls.

Create multi-size icon PNG packs (ZIP) from an image with fit modes.

Generate common favicon PNG sizes as a ZIP with cover/contain fit.

View EXIF and photo metadata in a clear table — camera, GPS, dates, and more.

Strip EXIF metadata by re-encoding with format and quality controls.

Pick colors from an image or choose hex/RGB/HSL values for design and CSS.

Stamp text or logo watermarks on photos — center, tile, or corner.

Apply a Gaussian-style blur to redact or soften parts of an image.

Encode an image as a Base64 data URL for CSS, HTML, or APIs.

Decode a Base64 string or data URL back into a downloadable image.

Add a solid, double, or inset border around any image.

Adjust brightness, contrast, and saturation of photos in your browser.

Stitch multiple images into a horizontal, vertical, or grid collage with reorder.

Convert iPhone HEIC/HEIF photos to JPG locally with a WASM codec.

Minify and optimize SVG markup with SVGO for smaller files.

Count words, characters, sentences, paragraphs, and reading or speaking time.

Count characters with SMS, Twitter, and meta length guides.

Count total, empty, and non-empty lines plus longest line length.

Convert text to UPPERCASE.

Convert text to lowercase.

Convert text to Title Case with smart or simple styles.

Convert text to sentence case.

Reverse characters, words, or lines in your text.

Sort lines A–Z or Z–A with case, numeric, and empty-line options.

Remove duplicate lines while preserving order — optional case-insensitive match.

Strip blank or whitespace-only lines from text.

Collapse spaces, trim lines, or flatten all whitespace in one click.

Find and replace with plain text, case-insensitive match, or full regex.

Generate URL-friendly slugs with hyphen or underscore and optional max length.

Generate placeholder paragraphs, sentences, or words — classic Lorem start optional.

Compare two texts with line, word, or character diffs — ignore case or spaces.

Estimate reading and speaking time with adjustable words-per-minute presets.

Join lines into a single paragraph — everyday paste cleanup.

Count word frequency and keyword density with stop-word filtering for light SEO.

Convert text to UTF-8 binary (8-bit groups).

Decode 8-bit binary groups back into UTF-8 text.

Encode and decode Morse code for letters, numbers, and punctuation.

Check whether a phrase reads the same forwards and backwards.

Check if two phrases use the same letters (anagrams).

Format messy JSON with configurable indentation — validate and pretty-print in one step.

Validate JSON with clear syntax errors, root type, and size info.

Pretty-print compact JSON for readability with a simple one-click layout.

Minify JSON by stripping whitespace for smaller payloads and APIs.

Visually compare two JSON documents with side-by-side highlighting.

Explore JSON as a collapsible tree with expand/collapse all.

Convert CSV to JSON with optional type inference and pretty-print.

Convert JSON arrays to Excel-friendly CSV with BOM and formula-safe cells.

Encode text to Base64 with optional URL-safe (Base64URL) mode.

Decode Base64 or Base64URL strings to text.

Percent-encode strings for query values, full URIs, or form data.

Decode percent-encoded URL strings (optional + as space).

Escape HTML special characters to entities.

Decode HTML entities back to characters.

Generate UUID v4 identifiers with format options (hyphens, case, braces).

Decode JWT header and payload with iat/exp helpers (no verification).

Build and sign JWTs with HS256 or create unsigned tokens.

Test regular expressions with live match highlighting and export.

Convert between Unix timestamps and human-readable dates.

Convert timestamps across milliseconds and seconds.

Build and explain common cron expressions.

Explain a cron expression and list the next run times locally.

Convert between YAML and JSON with pretty output.

Beautify XML markup with indentation controls.

Validate XML and show clear parse errors.

Pretty-print SQL with dialect and keyword options.

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes on one page.

Convert .env files to JSON objects and back.

Break a URL into parts and list query parameters in a table.

Convert between px, rem, and em with custom base sizes.

Generate fake API JSON for users, products, posts, and custom schemas.

Beautify HTML markup with indentation controls.

Minify HTML by removing excess whitespace (optional keep comments).

Pretty-print CSS rules with indentation controls.

Minify CSS for production (optional keep comments).

Design linear and radial gradients with stops, mid color, and live preview.

Create CSS box-shadow values with color, opacity, inset, and live preview.

Generate border-radius CSS with linked or independent corner controls.

Build CSS Grid layouts with track options, gap, and live preview.

Experiment with Flexbox direction, wrap, justify, align, and gap.

Generate shades, complementary, triad, or analogous palettes from a base color.

Generate SEO meta tags, canonical links, and social tags for your pages.

Preview how links look on social platforms and copy OG tags.

Build fluid clamp() values for responsive font sizes and spacing.

Generate aspect-ratio CSS with live preview and presets.

Quick reference for Tailwind color palettes and spacing scale.

Find X% of Y, what percent X is of Y, or percent change — with live breakdown.

Measure percent increase or decrease between two values.

Add or reverse GST/VAT with common rate presets and optional CGST/SGST split.

Estimate monthly EMI, total interest, and payment from principal, rate, and tenure.

Project compound growth with optional monthly contributions.

Build a full amortization schedule with principal and interest per payment.

Convert between hourly, daily, weekly, monthly, and yearly pay.

Trip fuel use and cost from distance, efficiency (L/100 or MPG), and price — with round trip and split.

Calculate weighted GPA from course credits and letter grades.

Sale price, savings, optional tax, and quantity totals from discount percent.

Exact age in years, months, and days — with as-of date and next birthday.

BMI from metric or imperial height and weight, with category and healthy range.

Scientific keypad with trig, log, powers, degrees/radians, and history.

Days, weeks, Y/M/D span, and business days between two calendar dates.

Add or subtract hours, minutes, and seconds with decimal-hour output.

Convert length, weight, volume, area, speed, data size, and temperature.

Convert currencies with optional live mid-market rates or a manual offline rate.

Tip presets, bill split per person, and optional rounding for dining out.

Compare the same moment across IANA time zones with live clocks.

Simplify ratios, scale dimensions, and preview common video/image presets.

Strong random passwords with length, charsets, ambiguous-char filter, and bulk generate.

Memorable diceware-style passphrases with word count, separator, and entropy estimate.

Local strength score, entropy estimate, and checklist — nothing is uploaded.

Offline TOTP/2FA codes from a Base32 secret — algorithm, digits, period, otpauth URI.

Encrypt or decrypt text with AES-256-GCM and PBKDF2 — fully in the browser.

Hash or verify passwords with bcrypt and adjustable cost factor — browser-only.

Guess MD5, SHA, bcrypt, Argon2, and more from length and format signatures.

MD5 hashes from text with live update — for non-security checksums only.

SHA-256 (and optional HMAC) hashes with live update via Web Crypto.

SHA-512 (and optional HMAC) hashes with live update via Web Crypto.

MD5, SHA-1, SHA-256, or SHA-512 file checksums with optional expected-hash verify.

QR codes for URL, text, Wi-Fi, email, or SMS — size, ECC, colors, PNG download.

Decode QR codes from images entirely in the browser with jsQR.

Create ZIP archives from multiple files with compression level control — fully in the browser.

List ZIP contents, filter paths, and extract files entirely in the browser.

Inspect file name, size, MIME type, extension, and last modified date in a table.

MD5, SHA-1, SHA-256, or SHA-512 file hashes with optional expected-hash verify.

Compare browser MIME type with a common extension map for each file.

Batch rename with patterns, find/replace, index padding, and download copies.

Find duplicate groups by name, size, name+size, or full content hash.

Sum file sizes with per-file percentages, totals, and average — live as you drop files.

Open CSV/TSV as a scrollable table with delimiter presets, filter, and row limits.

Trim cells, drop empty rows/columns, add UTF-8 BOM, and download Excel-friendly CSV.

Split large text or CSV files by rows, lines, or bytes — download parts individually or all.

Detect likely character encodings of text files with confidence scores (jschardet).

Live Markdown preview with formatting toolbar, stats, and sanitized HTML.

Normalize blank lines, trailing spaces, and final newline in Markdown.

Convert Markdown to sanitized HTML — optional full document wrapper.

Convert HTML to Markdown with heading style and bullet options.

Build Markdown tables with a visual grid, alignment, and CSV paste.

Build a TOC or checklist from headings — levels, ordered lists, section numbers.

Paste Word or Docs HTML and convert it to cleaned Markdown (Mso junk stripped).

Create shields.io badge Markdown/HTML with presets, stack, and style options.

Generate random integers with unique, sort, range presets, and flexible separators.

Quick random passwords with charset toggles and ambiguous-character filter.

Compact URL-friendly IDs with custom alphabet, size, and bulk generate.

Roll dice with d4–d100 presets, modifiers, and roll history.

Flip virtual coins with bulk counts, visual result, and heads/tails ratio.

Convert integers to English words with live update and title case.

Convert English number words into digits with sample phrases.

Convert between Arabic numbers and Roman numerals (1–3999) live.

Convert numbers between bases 2–36 with presets, swap, and quick copy.

Generate CODE128, EAN, UPC, and more as SVG with size controls.

Convert HEX, RGB, HSL, and CMYK with picker, swatches, and live preview.

Generate random full names and username handles for placeholders.

Decode Unix timestamps or countdown live to a target date/time.

Inspect zero-width/invisible Unicode and strip them from text.