18 free tools · Encoding Tools
Free online
Encoding tools.
Encode and decode Base64, URLs, and JWTs, and generate MD5 or SHA-256 hashes — entirely in your browser. Built for developers who don't want to paste tokens and secrets into someone else's server.
Browse 18 toolsEncoding Tools
18 tools · Free to use
Base64 Encoder/Decoder
Encode and decode Base64 strings with support for text, images, and files.
Encoding
URL Encoder/Decoder
Encode and decode URLs with support for component-level and full URL encoding. Perfect for web development and SEO optimization.
Encoding
Base64 to PDF Converter
Convert Base64 encoded data to PDF files instantly. Support for text, images, and custom content with real-time validation and preview.
PDF
JWT Decoder / Encoder
Instantly decode, verify, and generate JSON Web Tokens (JWT) locally in your browser. Supports HS256, RS256, and more.
Security
Base64 to Image Converter
Decode Base64 strings to images directly in your browser. 100% offline, private, and secure.
Encoding
Hash Generator
Secure, client-side hash generator supporting MD5, SHA-256, bcrypt, and more. Hash texts or files instantly offline.
Security
MD5 Hash Generator
Generate MD5 checksums from text or files instantly. 100% client-side — verify downloads and deduplicate files without uploading anything.
Security
SHA-256 Hash Generator
Compute SHA-256 hashes of text and files instantly. 100% client-side — verify release checksums and fingerprint data without uploading anything.
Security
Base64 Encoder
Encode text or file data as Base64 in your browser for test payloads, data transport, and development examples.
Encoding
Base64 Decoder
Decode Base64 text and encoded data online, with a dedicated decoding workspace and copy controls. Free, instant, and processed locally in your browser.
Encoding
Base64 Image Decoder
Decode an image stored as Base64, preview its pixels, and download the recovered PNG, JPG, or GIF file. Free and private: nothing is uploaded to a server.
Encoding
Base64 Image Viewer
View a Base64-encoded image or data URI directly in your browser and inspect it before saving a local copy. Free, instant, and no uploads required.
Encoding
Base64 to PDF
Recover a PDF from Base64 data, or turn supported Base64 text and images into a PDF using local browser processing.
PDF
Base64 to PDF Decoder
Decode Base64 PDF bytes and download the original document without sending the encoded content to a server. Free online decoder that runs in your browser.
PDF
JWT Decoder
Decode a JWT header and payload to inspect its claims, expiry, and issued-at times. Free online JWT decoder; tokens stay in your browser and are never sent.
Security
JWT Encoder
Encode JWT header and payload data and sign test tokens for development and debugging. Free online JWT encoder that runs locally, keys never leave your device.
Security
URL Encoder
Percent-encode URL text and query strings with selectable encoding behavior for components or full URLs. Free online URL encoder that runs in your browser.
Encoding
URL Decoder
Decode percent-encoded URL text and query strings back into readable characters. Free online URL decoder with instant results and private, local processing.
Encoding
A quick guide
Choosing the right Encoding tools
Choose encoding when data needs a different representation and hashing when you need a fingerprint for comparison. Decoding a JWT lets you inspect its contents; it does not by itself verify the signature or establish trust. Select the algorithm and input format required by the system you are working with.
Digital ToolPad brings together 18 free Encoding tools in one collection. Open a tool, add your input, and review the result on your device. All tool processing happens in your browser, without uploading your data to our servers for processing.
Is it safe to decode JWTs and tokens here?
Yes — that's exactly why these tools are client-side. Your tokens, secrets, and payloads are decoded locally in your browser and never transmitted, unlike many online decoders.
What's the difference between encoding and hashing?
Encoding (Base64, URL encoding) is reversible — it changes how data is represented. Hashing (MD5, SHA-256) is one-way — it produces a fixed fingerprint that can't be turned back into the original data.
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