What image formats are supported?

You can generate placeholder images in PNG, JPEG, or SVG format.

Can I set a custom text on the placeholder?

Yes, by default the image displays its dimensions (e.g., '800×600'), but you can replace this with any custom text.

What is the maximum image size?

You can generate images up to 4000×4000 pixels. Larger sizes may slow your browser.

Can I use these images in commercial projects?

Yes, the generated images are created on the fly with no copyright restrictions. Use them freely in any project.

Yes, the Placeholder Image Generator is free with no watermarks on the output.

Free Placeholder Images Online

Free online placeholder images. No signup required. Works in your browser.

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20 tools that do the work for most visitors

These are the tools people actually come back for. Each runs free, in your browser or in a stateless processing request, with no account and no watermark on the output.

🖼️Image CompressorShrink JPEG, PNG, and WebP files by 40–80% without visible quality loss. Useful for Shopify product photos, Squarespace uploads, or Gmail attachments when your image is a few megabytes too heavy. Drag a file in and the compressed version is ready in under two seconds. 📄Compress PDFReduce a PDF's file size by 30–70% so it fits under Gmail's 25 MB cap or a government portal's 10 MB limit. The tool downsamples embedded images and strips redundant object streams, then rebuilds a clean, readable document. Text layers stay sharp; scanned pages shrink the most. 📑Merge PDFsCombine multiple PDF documents into a single file while preserving bookmarks, form fields, and original page orientation. Drag files into the order you want, and the merged PDF downloads instantly. Common uses: stitching invoice, contract, and cover letter into one attachment before sending to a client. ✂️Background RemoverAutomatically cut the background out of any photo using AI segmentation and get a transparent PNG back. Works on product photos, headshots, and pets. Typical use: Etsy and Amazon sellers who need clean catalog images without paying a subscription to Remove.bg or Canva Pro. 📐Resize ImageResize a photo to exact pixel dimensions or scale by percentage. Built-in presets for Instagram square (1080×1080), Facebook cover (820×312), LinkedIn banner (1584×396), and YouTube thumbnail (1280×720). Aspect-ratio lock prevents accidental stretching; output can be JPEG, PNG, or WebP. 📝PDF to WordConvert a PDF into an editable Microsoft Word (.docx) file while keeping paragraph structure, tables, bullet lists, and most formatting intact. Useful when someone sends you a contract as a locked PDF and you need to make tracked changes before sending it back to them. 📱QR Code GeneratorCreate high-resolution QR codes for URLs, plain text, Wi-Fi credentials, contact cards, and email addresses. Download as PNG or SVG at up to 1000 pixels. Scannable by every modern phone camera. Ideal for event check-ins, restaurant menus, business cards, and product packaging. { }JSON FormatterPretty-print and validate JSON in your browser with two-space or four-space indentation, sorted keys, or compact minified output. Full syntax-error reporting shows the exact line and column where a comma is missing. Runs entirely client-side — your payload never leaves your computer. 📝Word CounterCount words, characters (with and without spaces), sentences, paragraphs, and estimated reading time. Designed for students meeting a 500-word essay limit, copywriters billing by word count, and authors tracking daily output. Includes keyword density analysis and Flesch–Kincaid readability scoring. 🔤Base64 Encoder / DecoderConvert text or small files to Base64 and back. Common uses: embedding an image directly in an email signature, encoding an API payload, decoding a JWT header, or inspecting the data: portion of a URL. Runs in your browser — nothing is transmitted to the server. 🔒Hash GeneratorGenerate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes from any text input. Useful for verifying file integrity, creating deterministic cache keys, or checking that a password hash matches what is stored in a database. Results appear instantly; runs entirely in your browser. 🎨Color PickerPick a color visually and get its HEX, RGB, HSL, HSV, and CMYK values, or enter any code and see the swatch. Built-in accessibility contrast checker tells you whether the chosen color pair passes WCAG AA on body text, headings, or large UI elements. 🔑Password GeneratorGenerate strong passwords with configurable length (8–64), character sets (uppercase, lowercase, digits, symbols), and ambiguity filters that exclude characters like O/0 and l/1. Entropy score estimates how long a brute-force attack would take. Runs locally — passwords never touch the network. 📄Text to PDFTurn plain text, pasted notes, or long-form content into a clean, printable PDF document with selectable margins, font size, and page size (A4 or US Letter). Useful when you need to send meeting notes as a single file rather than a long email body that gets threaded. 📑Split PDFExtract specific pages from a PDF or split one long document into individual per-page files. Page-range syntax supports complex selections like "1-5, 8, 11-13". Useful when a single 80-page scan needs the signature page delivered separately to a different recipient. 🔄Image Format ConverterConvert between JPEG, PNG, WebP, BMP, and GIF with adjustable quality and lossy/lossless settings. Most common need: converting an old iPhone HEIC or Windows BMP into a format every website and email client accepts. WebP output is typically 25–35% smaller than equivalent JPEG. 🖊️PDF EditorAdd text, signatures, highlights, redactions, and images directly onto an existing PDF, right in your browser. No installation, no account, no Adobe Acrobat subscription. Redaction is true redaction — the content is removed from the file, not just covered with a black rectangle that can be peeled back later. ▶️YouTube Thumbnail DownloaderPaste any YouTube video URL and download the thumbnail in every available resolution, from 120×90 to 1280×720. Useful for making reaction thumbnails, citing videos in presentations, or collecting reference imagery. Works on full videos, Shorts, and unlisted videos as long as you have the URL. 🧾Invoice GeneratorBuild a professional invoice with your business name, logo, line items, tax, and totals, then download it as a PDF ready to send. No signup or account required, nothing is saved server-side. Designed for freelancers and small businesses who bill a handful of clients per month. (.*)Regex TesterTest regular expressions against sample text and see every match highlighted, with capture groups labelled. Supports JavaScript, PCRE, and Python flavor differences. Useful for validating an email-parsing pattern, building a form-input regex, or debugging why your log-extraction pattern keeps matching the wrong field.

Built by one developer, deliberately kept simple

GoToolsOnline is an independent project built and run by Ben Praveen J, a full-stack developer in Tamil Nadu, India. The brief was narrow: build the kind of tools site I personally wished existed — one that does not ask for an account, does not stamp watermarks on your output, does not limit free usage to two files per day, and does not bury a 30-second task under a "Start Free Trial" button.

The site does not host thousands of templated variations of the same converter. Every tool here was written for this site and is maintained by the same person who answers contact@gotoolsonline.com. If something breaks, it gets fixed. If a tool is missing, email and I will often build it.

How your files are handled

Text tools like the word counter, JSON formatter, Base64 encoder, and hash generator run entirely in your browser — the data you paste never leaves your computer. File tools like PDF compress, image compression, and background removal upload over HTTPS, process in server memory, return the result, and discard the original. There is no archival storage path for user uploads. Connections use TLS; analytics are anonymised (IPs are hashed); cookie consent is handled through Google Consent Mode v2 with explicit accept and reject controls.

How this is funded

One revenue source: Google AdSense. No paid tier, no premium plan, no credit-card form hiding behind a feature. Ads pay for the VPS, the domain, and a little compensation for the time that goes into building and maintaining the tools. If you prefer, the cookie banner lets you decline personalised advertising — the tools still work the same either way. Read the full story on the about page.

Frequently Asked Questions

What happens to a file after I upload it?: File-based tools (PDF, image, media) receive your upload over HTTPS, process it in server memory for the duration of your request, return the result, and discard the original. There is no archival storage path for user uploads. Text tools run entirely in your browser and never transmit the data you paste. See the privacy policy for the full data-handling detail.
Are outputs watermarked or quality-limited?: No. The output you download is exactly what the tool produced — no watermark stamp, no logo, no "upgrade to remove this" nag. The free PDF compressor gives the same quality as the paid one because there isn't a paid one. This applies to every tool on the site, including PDF merge, image compression, and background removal.
What file size limits apply?: Most file tools accept uploads up to 500 MB. Image tools typically handle up to 50 MB per image. PDF tools support documents up to 500 MB. If a file is larger, compress or split it first using the free tools on this site. There are no daily usage limits.
Can I process multiple files at once?: Yes, for tools where batch processing makes sense. The image compressor accepts multiple images in one upload, PDF merge works on any number of documents, and the collage maker takes multiple photos at once. For single-file tools, run them repeatedly — there is no daily cap.
Which browsers are supported?: Chrome, Firefox, Edge, Safari, Opera, and Brave on desktop and mobile. No extensions or plugins required. The site works on Windows, macOS, Linux, Android, and iOS.
Who builds and runs GoToolsOnline?: The site is built and maintained by Ben Praveen J, a full-stack developer based in Tamil Nadu, India. There is no team, no investor, no VC — the same person who writes the tools also answers contact@gotoolsonline.com. You can also verify the human on the other side via LinkedIn. For the full story, see the about page.

Part of Text tools: See all Text tools.

Placeholder Images: Placeholder Image Generator creates simple, customizable placeholder images with specified dimensions, background color, text, and format. Generate images like 800x600 grey boxes with '800×600' text for use in mockups, wireframes, and development.

Quick steps

Enter the desired image dimensions (width and height in pixels).
Optionally customize the background color, text color, and display text.
Choose the image format — PNG, JPEG, or SVG.
'Generate' and download the placeholder image or copy its data URL.

Placeholder Images vs desktop software

Feature	Placeholder Images	Desktop software
Install required	No	Yes
Works on phone & desktop	Yes	Varies
Free to use	Yes	Often paid
Signup needed	No	Sometimes

What is Placeholder Images?

Placeholder Image Generator creates simple, customizable placeholder images with specified dimensions, background color, text, and format. Generate images like 800x600 grey boxes with '800×600' text for use in mockups, wireframes, and development.

How to use Placeholder Images

Enter the desired image dimensions (width and height in pixels).
Optionally customize the background color, text color, and display text.
Choose the image format — PNG, JPEG, or SVG.
Click 'Generate' and download the placeholder image or copy its data URL.

Why use this tool?

During web development and UI design, placeholder images are needed for mockups before real assets are ready. This generator creates them instantly with exact dimensions, eliminating dependency on external placeholder services that may go offline.

FAQ

What image formats are supported?: You can generate placeholder images in PNG, JPEG, or SVG format.
Can I set a custom text on the placeholder?: Yes, by default the image displays its dimensions (e.g., '800×600'), but you can replace this with any custom text.
What is the maximum image size?: You can generate images up to 4000×4000 pixels. Larger sizes may slow your browser.
Can I use these images in commercial projects?: Yes, the generated images are created on the fly with no copyright restrictions. Use them freely in any project.
Is this tool free?: Yes, the Placeholder Image Generator is free with no watermarks on the output.

Placeholder Images — In-Depth Guide

Placeholder images are an essential part of the web development workflow when final visual assets are not yet available from clients, photographers, or creative design teams. Front-end developers routinely use placeholder image services to fill image containers with correctly sized and proportioned dummy images, allowing comprehensive layout testing, responsive design verification, and client presentations to proceed on schedule without waiting for final photography or graphic design deliverables to be completed.

UI designers, UX designers, and product designers use placeholder images in wireframes, interactive prototypes, and design mockups to clearly represent where photographs, icons, illustrations, or other visual elements will eventually appear in the finished product design. Using correctly sized placeholder images ensures the layout behaves properly and realistically with appropriate image dimensions and aspect ratios, preventing unexpected layout shifts, broken designs, and visual surprises when real final assets are swapped in during development.

Email template developers and email marketing specialists insert placeholder images during the initial build process to thoroughly test responsive email layouts across dozens of different email clients, rendering engines, and device screen sizes. Seeing exactly how images scale, crop, reflow, and interact with surrounding content at various viewport sizes and orientations is absolutely critical for reliable email design. Replace all placeholders with final production assets only after the complete template structure has been fully tested.

Students, coding bootcamp participants, and learners building practice projects and portfolio demonstration pieces use placeholder images to realistically populate image galleries, product cards, and blog layouts with representative visual content. Placeholders let you focus your attention entirely on code structure, CSS styling, and layout logic without spending valuable learning time sourcing, creating, or licensing actual photographic images. They also make project demos look significantly more complete and professional during portfolio reviews and interviews.

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